// global variables
if (!IE) var IE                                 = navigator.userAgent.indexOf("MSIE")       != -1;
if (!Opera) var Opera                           = navigator.userAgent.indexOf("Opera")      != -1;
if (!Mozilla) var Mozilla                       = navigator.userAgent.indexOf("Mozilla")    != -1;
if (!Safari) var Safari                         = navigator.userAgent.indexOf("Safari")     != -1;
if (!tt_iframe_loaded) var tt_iframe_loaded     = 0;
if (!tt_site_url) var tt_site_url               = window.location.href;
if (!tt_path) var tt_path                       = "http://www.thundertext.com/contextual/";
if (!tt_analysis_path) var tt_analysis_path	= "http://contentanalysis.freesites.com/";

// inline ad variables
if (!tt_timer) var tt_timer                     = null;
if (!tt_div_bool) var tt_div_bool               = false;
if (!tt_word_bool) var tt_word_bool             = false;

// contextual ad variables
if (!tt_ad_start) var tt_ad_start = 0;

// visual definitions
if (!thundertext_adtype) var thundertext_adtype = "contextual";
if (!thundertext_aff_id) var thundertext_aff_id = "thundertext";
if (!thundertext_cname) var thundertext_cname = "T<span style='font-size:Smaller'>HUNDERTEX</span>T";
if (!thundertext_site_url) var thundertext_site_url = "http://www.thundertext.com/";
if (!thundertext_template) var thundertext_template = "728x90";
if (!thundertext_sid) var thundertext_sid = "";
if (!thundertext_border_color) var thundertext_border_color = "336699";
if (!thundertext_bg_color) var thundertext_bg_color = "ffffff";
if (!thundertext_link_color) var thundertext_link_color = "4477aa";
if (!thundertext_text_color) var thundertext_text_color = "000000";
if (!thundertext_keyword_color) var thundertext_keyword_color = "336699";
if (!thundertext_exact) var thundertext_exact = true;
if (!thundertext_max_nodes) var thundertext_max_nodes = "1138";
if (!thundertext_max_keyword_matches) var thundertext_max_keyword_matches = "5";
if (!thundertext_max_matches) var thundertext_max_matches = "20";
if (!thundertext_numOfAds) var thundertext_numOfAds = "1";
if (!thundertext_random_distribution) var thundertext_random_distribution = true;
if (!thundertext_borderbottom) var thundertext_borderbottom = "3px double #336699";

// check to make sure the thundertext_template variable is of known dimensions
get_num_ads(thundertext_template);

function ThunderTextCore() {
	this.contextual_ads = new Array();

	this.register_ad = function(ad_settings) {
		// ONLY ADD THE INLINE TO THE AD LIST ONCE
		if(ad_settings.type == 'inline' && ThunderText.inline_ran) {
			return;
		} 

		if(ad_settings.type == 'inline') {
			ThunderText.inline_ran = true;

		}
		ThunderText.contextual_ads.push(ad_settings);
	}


	// ONLOAD FUNCTION
	this.start_thundertext = function() {
		// CHECK FOR ANALYSIS CACHE - SEND PAGE CONTENTS -> run begin_ads		

		tt_site_url = escape(tt_site_url);

		// send the page contents along to be analyzed
		load_script(tt_analysis_path + "inline/ads.php?action=first_run&url=" + tt_site_url + "&aff_id=" + thundertext_aff_id + "&adtype=" + thundertext_adtype);
	}


	this.begin_ads = function(thunder_ads) {
		for(tt_x = 0; tt_x < ThunderText.contextual_ads.length; tt_x++) {
			if (ThunderText.contextual_ads[tt_x].type == 'contextual') {

		                // grab the ad iframe
		                var tt_ad_iframe = document.getElementById("tt_ad_frame_" + ThunderText.contextual_ads[tt_x].id); 

		                // get the number of ads for this template style
		                var num_ads = get_num_ads(ThunderText.contextual_ads[tt_x].template);

	                	// create the source that we're going to send along for the iframe to load
		                var tt_iframe_src = "";
		                tt_iframe_src += tt_path + "contextual/index.php?url=" + tt_site_url;
		                tt_iframe_src += "&template=" + ThunderText.contextual_ads[tt_x].template;
		                tt_iframe_src += "&aff_id=" + ThunderText.contextual_ads[tt_x].aff_id;
		                tt_iframe_src += "&cname=" + ThunderText.contextual_ads[tt_x].cname;
		                tt_iframe_src += "&site_url=" + ThunderText.contextual_ads[tt_x].site_url;
		                tt_iframe_src += "&bg=" + ThunderText.contextual_ads[tt_x].bg_color;
		                tt_iframe_src += "&text=" + ThunderText.contextual_ads[tt_x].text_color;
		                tt_iframe_src += "&link=" + ThunderText.contextual_ads[tt_x].link_color;
				tt_iframe_src += "&border=" + ThunderText.contextual_ads[tt_x].border_color;
		                tt_iframe_src += "&sid=" + ThunderText.contextual_ads[tt_x].sid;
		                tt_iframe_src += "&tt_ad_start=" + tt_ad_start;
		                tt_iframe_src += "&tt_num_ads=" + num_ads;
		                tt_iframe_src += "&rnd=" + tt_rnd;


		                // update the position in the ad array
		                tt_ad_start += num_ads;

		                // change the iframe's src
		                tt_ad_iframe.src = tt_iframe_src;

			} else {

				// AD IS INLINE -> START THE HILIGHT
				tt_inline_obj.create_ad_div();

				// define which in the ad array is the inline part so we can get the colors, etc.
				tt_inline_obj.elem_num = tt_x;

				// start the match + hilite process
				tt_inline_obj.match_elements(thunder_ads);
			}
		}
	}
}



// #####################################################################################################



function load_script(tt_url) {
        var tt_script = document.createElement('script');
        tt_script.setAttribute('type','text/javascript');
        tt_script.setAttribute('src', tt_url);
        document.body.appendChild(tt_script);
}

function strpos(str, ch) {
        for (var i = 0; i < str.length; i++)
        if (str.substring(i, i+1) == ch) return i;
        return -1;
}

function tt_iframe_onload() {

        // make sure this has loaded twice to guarentee data has been put in DB
	// the first time it loads is because the page has loaded and the second is caused
	// by the post of the page contents from ads.php
        if (tt_iframe_loaded++ == 1) {
                load_script(tt_analysis_path + "inline/ads.php?action=load_contents&url=" + tt_site_url + "&aff_id=" + thundertext_aff_id);
        }
}

function Ad_settings(id, type, aff_id, cname, site_url, template, sid, border_color, bg_color, link_color, text_color, keyword_color, exact, max_nodes, max_keyword_matches, max_matches, numOfAds, random_distribution, borderbottom) {
	this.id = id;
	this.type = type;
	this.aff_id = aff_id;
	this.cname = cname;
	this.site_url = site_url;
	this.template = template;
	this.sid = sid;
	this.border_color = border_color;
	this.bg_color = bg_color;
	this.link_color = link_color;
	this.text_color = text_color;
	this.keyword_color = keyword_color;
	this.exact = exact;
	this.max_nodes = max_nodes;
	this.max_keyword_matches = max_keyword_matches;
	this.max_matches = max_matches;
	this.num_ads = numOfAds;
	this.rnd_dist = random_distribution;
	this.border_bottom = borderbottom;
}

// if you add a random number to the end of the query string, IE will always update the page
var tt_rnd = Math.round((Math.random()*10000)+1);

// CHECK USER INPUT FOR ERRORS
check_user_input();


var settings = new Ad_settings(
	tt_rnd,
	thundertext_adtype,
	thundertext_aff_id,
	thundertext_cname,
	thundertext_site_url,
	thundertext_template,
	thundertext_sid,
	thundertext_border_color,
	thundertext_bg_color,
	thundertext_link_color,
	thundertext_text_color,
	thundertext_keyword_color,
	thundertext_exact,
        thundertext_max_nodes,
        thundertext_max_keyword_matches,
        thundertext_max_matches,
        thundertext_numOfAds,
        thundertext_random_distribution,
        thundertext_borderbottom
)



if(typeof(ThunderText) != 'object') {
	// THIS IS THE FIRST AD - START THINGS OFF

	var tt_inline_obj = new Inline();

	// INIT THE CORE
	ThunderText = new ThunderTextCore();

	// INIT THE ONLOAD
        var existing_onload = window.onload;
        if(typeof existing_onload == 'function') {
                window.onload = function () {
                        ThunderText.start_thundertext;
			existing_onload();
                        //return exisiting_onload();
                }
        } else {
                window.onload=ThunderText.start_thundertext;
        }

	ThunderText.register_ad(settings);

	// create the iframe to hold the page contents
	var tt_iframe_code = "";
	tt_iframe_code += "<iframe src='' name='tt_content_frame' id='tt_content_frame' height='0'";
	tt_iframe_code += "width='0' frameborder='0' borderstyle='none;' onload='tt_iframe_onload();'";
	tt_iframe_code += "style='position:absolute;top:0px;left:0px;'></iframe>";

	// attach the page contents iframe to the page
	document.write(tt_iframe_code);

} else {
	// CORE HAS ALREADY BEEN STARTED
	ThunderText.register_ad(settings);
}

// DRAW THE CONTEXTUAL IFRAMES
if(settings.type == 'contextual') {
	var iframe_width = settings.template.substr(0, strpos(settings.template, 'x'));
	var iframe_height = settings.template.substr(strpos(settings.template, 'x') +1, settings.template.length);

	var frame_code = "<ifr"+"ame id='tt_ad_frame_" + settings.id + "' width='" + iframe_width + "' height='" + iframe_height + "' frameborder='0' marginwidth='0' marginheight='0' vspace='0' hspace='0' allowtransparency='true' scrolling='no'></ifr"+"ame>";
	document.write(frame_code);
}

function check_user_input() {

        // check max_keyword_matches
        if (!is_numeric(thundertext_max_keyword_matches)) thundertext_max_keyword_matches = 5;
        if (thundertext_max_keyword_matches > 50) thundertext_max_keyword_matches = 50;
        if (thundertext_max_keyword_matches <= 0) thundertext_max_keyword_matches = 1;

        // check max_nodes
        if (!is_numeric(thundertext_max_nodes)) thundertext_max_nodes = 1000;
        if (thundertext_max_nodes > 10000) thundertext_max_nodes = 10000;
        if (thundertext_max_nodes <= 0) thundertext_max_nodes = 1;

	// check max_matches
        if (!is_numeric(thundertext_max_matches)) thundertext_max_matches = 15;
        if (thundertext_max_matches > 150) thundertext_max_matches = 150;
        if (thundertext_max_matches <= 0) thundertext_max_matches = 1;
	if (thundertext_max_matches >= thundertext_max_nodes) thundertext_max_matches = thundertext_max_nodes - 1;

        // check num_of_ads
        if (!is_numeric(thundertext_numOfAds)) thundertext_numOfAds = 2;
        if (thundertext_numOfAds <= 0) thundertext_numOfAds = 1;
        if (thundertext_numOfAds >= 5) thundertext_numOfAds = 4;

        // check exact (boolean)
        if (thundertext_exact != false && thundertext_exact != true) thundertext_exact = false;

        // check random distribution (boolean)
        if (thundertext_random_distribution != false && thundertext_random_distribution != true) thundertext_random_distribution = false;
}

function clear_user_input() {
	//thundertext_adtype = "";
	thundertext_cname = "";
	thundertext_site_url = "";
	thundertext_template = "";
	thundertext_sid = "";
	thundertext_border_color = "";
	thundertext_bg_color = "";
	thundertext_link_color = "";
	thundertext_text_color = "";
	thundertext_keyword_color = "";
	thundertext_exact = false;
        thundertext_max_nodes = "";
        thundertext_max_keyword_matches = "";
        thundertext_max_matches = 0;
        thundertext_numOfAds = "";
        thundertext_random_distribution = false;
        thundertext_borderbottom = "";
}




function Inline() {

	//
	// functions
	//

	this.match_elements = function(thunder_ads) {
		/*
		*  This function goes through the DOM tree and finds words that
		*  match the elements found in tt_elm (probably the document.body element).
		*  When found, they are separated from the rest of the page with a
		*  <span></span> tag and are given a unique ID number.
		*/

		var tt_elm = window.document.body;		

		// if the page is empty or there are no ads then exit
		if (!thunder_ads || tt_elm.childNodes.length == 0) return;

		// put all of the keywords into an array and check to see if matches need to be exact
		var tt_keywords = new Array();

		for (var tt_i = 0; tt_i < thunder_ads.length; tt_i++) {
			if (ThunderText.contextual_ads[tt_inline_obj.elem_num].exact) {
				tt_keywords.push('\\b'+thunder_ads[tt_i].keyword+'\\b');
			} else {
				tt_keywords.push(thunder_ads[tt_i].keyword);
			}
		}
		tt_keywords = new RegExp(tt_keywords.join("|"), "i");

		var textproc = function(tt_node, tagname) {
			if(tagname == 'A') {
				return tt_node;
			}
			var tt_match = tt_keywords.exec(tt_node.data);
			if (tt_match) {

				var tt_val = tt_match[0];
				var tt_node2 = tt_node.splitText(tt_match.index);
				var tt_node3 = tt_node2.splitText(tt_val.length);

				if (typeof(tt_node.ownerDocument) != 'undefined') {
					var tt_span = tt_node.ownerDocument.createElement('span');
				} else {
					var tt_span = window.document.createElement('span');
				}

				tt_span.data = tt_node2.data.toLowerCase();

				// set the span ID to be the quantity of the keyword
				for (var tt_i = 0; tt_i < thundertext_keywords.length; tt_i++) {
					if (tt_span.data == thundertext_keywords[tt_i].keyword) {
						tt_span.id = "ttspan_" + tt_span.data + "_" + thundertext_keywords[tt_i].qty++;
						break;
					}
				}
				tt_node.parentNode.replaceChild(tt_span, tt_node2);
				tt_span.appendChild(tt_node2);

				return tt_span;
			
			} else {
				return tt_node;	
			}
	
		}  // textproc function

		// walk through the elements on the page to find keyword-able items
		tt_inline_obj.walk_elements(tt_elm.childNodes[0], 1, textproc);
	}

	this.hilite_element = function() {

		/*
		*  This function highlights the <span> tags found and matched in
		*  the function match_elements. They are highlighted according to 
		*  criteria, such as random or squential order and maximum matches per
		*  keyword.
		*/

		// define the counters that will count how many words have been hilited
		var tt_max_counter = 0;
		var tt_keyword_counter = 0;

		// go through the keyword array one keyword at a time until the maximum matches have been met or we're out of keywords
		for (var tt_i = 0; tt_i < thundertext_keywords.length; tt_i++) {
			var tt_keyword = thundertext_keywords[tt_i].keyword;
			var tt_k = 0;		// sequential index
			var tt_m = 0;		// random index
			var tt_ad_data = tt_inline_obj.get_ad_data(tt_keyword);

			// if there's no ad for this keyword [rare occurence but possible]
			if (tt_ad_data == false) continue;

			var tt_keyword_counter = 1;
			do {
				// RANDOM SPAN SELECTION
				if (ThunderText.contextual_ads[tt_inline_obj.elem_num].rnd_dist) {
					var tt_keyword_loop = 0;
					var tt_max_keyword_loop = thundertext_keywords[tt_i].qty * 20;

					do {
						if (tt_keyword_counter > ThunderText.contextual_ads[tt_inline_obj.elem_num].max_keyword_matches) {
							break;
						}
						if (tt_keyword_loop++ > tt_max_keyword_loop) {
							break;
						}

						var tt_random = Math.round(thundertext_keywords[tt_i].qty * Math.random() - 1);
						var tt_span = document.getElementById("ttspan_" + tt_keyword + "_" + tt_random);

						// if tt_span does not exist, move onto the next span
						if (!tt_span) {
							continue;
						}
	
						if (tt_span.name != "done") {
							tt_span.name = "done";
							tt_keyword_counter++;
							tt_max_counter++;
							tt_inline_obj.hilite_keyword(tt_span);
						}

					} while(true);

				// SEQUENTIAL SPAN SELECTION
				} else {
					tt_keyword_counter++;
					tt_max_counter++;

					if (tt_keyword_counter >= ThunderText.contextual_ads[tt_inline_obj.elem_num].max_keyword_matches) break;
					if (tt_max_counter >= ThunderText.contextual_ads[tt_inline_obj.elem_num].max_matches) break;

					// find the next span with the same word as the keyword
					var tt_span = document.getElementById("ttspan_" + tt_keyword + "_" + tt_max_counter);

				}

				// if this span doesn't exist, we're out of spans. move to the next keyword.
				if (!tt_span) {
					break;
				}

				if (tt_max_counter > ThunderText.contextual_ads[tt_inline_obj.elem_num].max_matches) break;
				if (tt_keyword_counter > ThunderText.contextual_ads[tt_inline_obj.elem_num].max_keyword_matches) break;

			} while (true)
		}
	}

	this.hilite_keyword = function(tt_span) {
		// 'hilite' the words and prepare them for mouseovers
		if(IE) {
			tt_span.onmouseover = function () {
				tt_word_bool = true;
				tt_inline_obj.control_timer(true);
				tt_inline_obj.display_ad(event, this.data);
			}
			tt_span.onmouseout = function() {
				tt_word_bool = false;
				tt_inline_obj.control_timer(false);
			}
			tt_span.style.borderBottom = ThunderText.contextual_ads[tt_inline_obj.elem_num].border_bottom;
			tt_span.style.color = ThunderText.contextual_ads[tt_inline_obj.elem_num].keyword_color;
			tt_span.style.cursor = 'hand';
		} else if (Mozilla || Safari) {
			tt_span.style.borderBottom = ThunderText.contextual_ads[tt_inline_obj.elem_num].border_bottom;
			tt_span.style.color = ThunderText.contextual_ads[tt_inline_obj.elem_num].keyword_color;
			tt_span.style.cursor = 'pointer';
			tt_span.setAttribute('onmouseover', 'tt_word_bool=true; tt_inline_obj.control_timer(true); tt_inline_obj.display_ad(event, "' + tt_span.data + '")');
			tt_span.setAttribute('onmouseout', 'tt_word_bool=false; tt_inline_obj.control_timer(false);');
		} else {
			tt_span.className = 'tt_hilite1';
			tt_span.style.borderBottom = ThunderText.contextual_ads[tt_inline_obj.elem_num].border_bottom;
			tt_span.style.color = ThunderText.contextual_ads[tt_inline_obj.elem_num].keyword_color;
			tt_span.style.cursor = 'hand';
			tt_span.style.cursor = 'pointer';
			tt_span.setAttribute('onmouseover', 'tt_word_bool=true; tt_inline_obj.control_timer(true); tt_inline_obj.display_ad(event, "' + tt_span.data + '")');
			tt_span.setAttribute('onmouseout', 'tt_word_bool=false; tt_inline_obj.control_timer(false);');
		}			
	}


	this.display_ad = function(tt_event, tt_keyword) {

		/*
		*  This function takes care of the HTML code and positioning of the ad by
		*  the user's cursor.
		*/

		var tt_ad_data = tt_inline_obj.get_ad_data(tt_keyword);
		var tt_eventX = IE ? event.clientX : tt_event.clientX;
		var tt_eventY = IE ? event.clientY : tt_event.clientY;
		var tt_ad_index = 0;

		var tt_popup = document.getElementById('thundertext_ad');

		// set the maximum size the tables in the ad can be
		var tt_maxDivWidth = 250;
		var tt_total_width = ThunderText.contextual_ads[tt_inline_obj.elem_num].num_ads * tt_maxDivWidth;
		var tt_ad_id = 0;
		var ad_div_left = 0;

		// this is the location of the mouse when it did the mouseover
		var tt_mouse_top = IE ? event.clientY : tt_event.pageY - window.pageYOffset;
		var tt_mouse_left = IE ? event.clientX + document.body.scrollLeft : tt_event.pageX - window.pageXOffset;

		// this is the size of the display real estate (works even if window size is small)
		var tt_maxY = get_max_y();
	 	var tt_maxX = IE ? document.body.clientWidth : window.innerWidth; 
	
		// set height of the popup
		var actualHeight = 40; //Static, this covers the top and bottom 
		actualHeight += 120; 
	
		// make sure the ad fits on the page
		tt_clear_sides();

		//----------------------------------------------------------------------------------------
		//	ADVERTISEMENT POPUP - THUNDERTEXT AD
		//-----------------------------------------------------------------------------------

		var tt_position = IE ? "absolute" : "fixed";
		
		var tt_html = "";
		tt_html += "<style type='text/css' id='tt_style'>";
		tt_html += "#tt_sticky {";
		tt_html += "	padding: 0px;";
		tt_html += "	border: 0px;";
		tt_html += "	width: " + (tt_total_width + 30) + "px;";
		tt_html += "	position: " + tt_position + ";";
		tt_html += "	top: " + tt_mouse_top + "px;";
		tt_html += "	left: " + tt_mouse_left + "px;";
		tt_html += "	z-index: 99911381138;";
		tt_html += "}";
		tt_html += ".tt_inner_table {";
		tt_html += "	border: 0px;";
		tt_html += "	padding: 3px;";
		tt_html += "	width: " + tt_total_width + "px;";
		tt_html += "	font-family: helvetica, arial;";
		tt_html += "	text-align: left;";
		tt_html += "}";
		tt_html += ".tt_td {";
		tt_html += "	font-family: helvetica, arial;";
		tt_html += "}";
		tt_html += ".tt_tr {";
		tt_html += "	font-family: helvetica, arial;";
		tt_html += "}";
		tt_html += ".tt_url_click {";
		tt_html += "	font-family: helvetica, arial;";
		tt_html += "	z-index:  1138;";
		tt_html += "}";
		tt_html += "</style>";
		tt_html += "<table border='0' id='tt_sticky' cellspacing='0' cellpadding='0' style='z-index:1138; position: " + tt_position + ";";
		tt_html += "left: " + tt_mouse_left + "px; top: " + tt_mouse_top + "px;'>";
		tt_html += "<tr class='tt_tr'>";
		tt_html += "<td class='tt_td' height='20px' width='20px' background='" + tt_path + "inline/colorSet_gif.php?file=tl.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='background-repeat: no-repeat; height: 20px; width: 20px;'></td>";
		tt_html += "<td class='tt_td' height='20px' bgcolor='#" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "' background='" + tt_path + "inline/colorSet_gif.php?file=tc.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='background-position: top; height: 20px; z-index: 10;'>&nbsp;</td>";
		tt_html += "<td class='tt_td' height='20px' width='20px' background='" + tt_path + "inline/colorSet_gif.php?file=tr.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='background-repeat: no-repeat; background-position: right;'></td>";
		tt_html += "</tr>";
		tt_html += "<tr class='tt_tr' bgcolor='#" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "'>";
		tt_html += "<td class='tt_td' width='20px' background='" + tt_path + "inline/colorSet_gif.php?file=lc.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='width: 20px;'></td>";
		tt_html += "<td class='tt_td'>";

		// begin inner table
		tt_html += "<table class='tt_inner_table' border='0' style='margin-top: -5px;'>";
		tt_html += "<tr class='tt_tr'>";

		for (var tt_num_ads_i = 0; tt_num_ads_i < ThunderText.contextual_ads[tt_inline_obj.elem_num].num_ads; tt_num_ads_i++) {
			tt_html += "<td class='tt_ad_table" + tt_ad_id++ + "' ";
			tt_html += "width='" + tt_maxDivWidth + "px' ";
			tt_html += "valign='top' noresize='true' ";
			tt_html += "style='background-color: #" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "; ";
			tt_html += "left: " + ad_div_left + "px; ";
			tt_html += "margin-left: 20px;";

			// if we haven't yet reached our number of ads per inline then put a divider in between
			if (tt_num_ads_i + 1 != ThunderText.contextual_ads[tt_inline_obj.elem_num].num_ads) {
				tt_html += "background-image: url(" + tt_path + "images/divider.png); background-repeat: no-repeat; background-position: right;";
			}
	
			tt_html += "'>";
			tt_html += "<table border='0' width='100%'><tr><td valign='top' cellpadding='3' cellspacing='0'>";
			tt_html += "<p style='z-index: 1138'>";
			tt_html += "<b><a href='" + tt_ad_data[tt_ad_index].click_url + "' target='_new' style='z-index: 99911381139; font-family: helvetica, arial; text-decoration: underline; font-size: 15px; text-align: left; color: #" + ThunderText.contextual_ads[tt_inline_obj.elem_num].link_color + "'>";
			tt_html += tt_ad_data[tt_ad_index].title;
			tt_html += "</a></b></p>";
			tt_html += "</td></tr><tr><td valign='top'>";
			tt_html += "<p id='tt_truncate" + tt_ad_id + "' style='font-family: helvetica, arial; font-size:13px; color:#" + ThunderText.contextual_ads[tt_inline_obj.elem_num].text_color + ";' align='left'>";
			tt_html += tt_ad_data[tt_ad_index].desc;
			tt_html += "</p>";
			tt_html += "</td></tr><tr><td height='10px' valign='top'>";
			tt_html += "<p class='tt_url_click' align='left' style='font-family: helvetica, arial; z-index:  99911381139;'><b>";
			tt_html += "<a href='" + tt_ad_data[tt_ad_index].click_url + "' target='_new' style='text-decoration: underline; z-index:  99911381139; font-size: 11px; text-align: left; color: #" + ThunderText.contextual_ads[tt_inline_obj.elem_num].link_color + "'>";
			tt_html += tt_ad_data[tt_ad_index].url;
			tt_html += "</a></b></p>";
			tt_html += "</tr></td></table>";
			tt_html += "</td>";

			ad_div_left += (tt_maxDivWidth + 5);
			if (++tt_ad_index >= tt_ad_data.length) {
				tt_ad_index = 0;
			}
		}
		tt_html += "</tr>";
		tt_html += "</table>";
		// end inner table
	
		tt_html += "<td class='tt_td' height='20px' width='20px' background='" + tt_path + "inline/colorSet_gif.php?file=rc.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].bg_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='width: 20px; background-position: right;'></td>";
		tt_html += "</tr>";
		tt_html += "<tr class='tt_tr'>"; 
		tt_html += "<td valign='top' class='tt_td' width='20px' height='20px' background='" + tt_path + "inline/colorSet_gif.php?file=bl.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='background-position: left; background-repeat: no-repeat; height: 20px; width: 20px;'></td>";
		tt_html += "<td valign='middle' class='tt_td' align='right' height='20px' background='" + tt_path + "inline/colorSet_gif.php?file=bc.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='height: 20px; background-position: center;'>";
		tt_html += "<a href='http://rebrand.thundertext.com/?ref_id=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].aff_id + "' target='_blank' style='text-decoration: none;'><b>";
		tt_html += "<span id='ttads' style='font-family: arial; font-size:9px; text-decoration: none; color: #" + invert_color(ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color) + ";'>Ads by " + ThunderText.contextual_ads[tt_inline_obj.elem_num].cname + "</span>";
		tt_html += "</b></a>";
		tt_html += "</td>";
		tt_html += "<td class='tt_td' height='20px' width='20px' background='" + tt_path + "inline/colorSet_gif.php?file=br.gif&color1=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "&color2=" + ThunderText.contextual_ads[tt_inline_obj.elem_num].border_color + "' style='background-repeat: no-repeat; background-position: right;'></td>";
		tt_html += "</tr>";
		tt_html += "</table>";

		// put the ad table into the popup
		tt_popup.innerHTML = tt_html;

		// opera fix
		if (Opera) {
			tt_popup.style.position="static";
		}

		// keep the pop-up hidden
		tt_popup.style.visibility="hidden";
		tt_popup.style.display="";

		// adjust the location of the ad so that it's never off the page
		function tt_clear_sides() {

			// table is too low on screen
			if ((tt_mouse_top + actualHeight + 100) >= tt_maxY) {
				if (IE) {
					tt_mouse_top += get_scroll_y() - (actualHeight + 20);
				} else {
					tt_mouse_top -= (actualHeight + 20);
				}
			} else {
				if (IE) {
					tt_mouse_top += get_scroll_y();
				}
			}
	
			// table is too far right on the screen
			if ((tt_mouse_left + tt_total_width) >= (tt_maxX-50)) {
				tt_mouse_left = ((tt_maxX-tt_total_width)-70);
			} else {
				if ((tt_maxX < (tt_mouse_left+tt_total_width)) && (tt_maxX < 480)) {
						tt_mouse_left = ((tt_maxX-tt_total_width) / 2);
				}
			}
	
			// apply top and left so that it is by the cursor
			var tt_ad_temp = document.getElementById('thundertext_ad');
			if (document.layers) {
				tt_ad_temp.style.top = tt_mouse_top;
				tt_ad_temp.style.left = tt_mouse_left;
			} else {
				tt_ad_temp.style.top = tt_mouse_top + "px";
				tt_ad_temp.style.left = tt_mouse_left + "px";
			}
			appendStyleRule("#tt_sticky { left: " + tt_mouse_left + "px; top: " + tt_mouse_top + "px; }");
		}
		
		// ad truncation
		var tt_adtext_len = 200;
		var adTrunc = new Array();
		for (var tt_i = 0; tt_i <= ThunderText.contextual_ads[tt_inline_obj.elem_num].num_ads; tt_i++) {
			var elID = 'tt_truncate' + tt_i;
			adTrunc[tt_i] = document.getElementById(elID);
			
			if (adTrunc[tt_i]) {
				var trunc = adTrunc[tt_i].innerHTML;
				if (trunc.length > tt_adtext_len) {
			
					/* Truncate the content of the P then go back to the end of the
					previous word to ensure that we don't truncate in the middle of
					a word */
					trunc = trunc.substring(0, tt_adtext_len);
					trunc = trunc.replace(/\w+$/, '');
			
					/* Add an ellipses to the end and make it a link that expands
					the paragraph back to its original size */
					trunc += '... [<a href="#" ' +
					'onclick="this.parentNode.innerHTML=' +
					'unescape(\''+escape(adTrunc[tt_i].innerHTML)+'\');return false;" style="text-decoration: underline;">' + 'expand<\/a>]';
					adTrunc[tt_i].innerHTML = trunc;
				}
			}
		}
	}


	this.get_ad_data = function(tt_keyword) {
	        for (var tt_i = 0; tt_i < thundertext_keywords.length; tt_i ++) {
	                if(thundertext_keywords[tt_i].keyword.toLowerCase() == tt_keyword.toLowerCase()) {
	                        return thundertext_keywords[tt_i].ads;
	                }
	        }
	        return false;
	}

	this.walk_elements = function(tt_node, tt_depth, textproc) {
		/*
		*  This function goes through DOM elements and filters out everything but text
		*  so there won't be any links or odd elements highlighted.
		*/

		var tt_skipre = /(script|style|input|select|option|textarea|a|h[1-9])/i;
		var tt_count = 0;

		var skip = false; 

		while (tt_node && tt_depth > 0) {

			// if there are more nodes than the tt_max_nodes setting, then quit
			if (tt_count++ >= ThunderText.contextual_ads[tt_inline_obj.elem_num].max_nodes) break;

			// if this node is an element node then make sure it has children and is not a junk tag
			if (tt_node.nodeType == 1) { // ELEMENT_NODE

				if(tt_skipre.test(tt_node.tagName)) {
					skip = true;
				}

				if (tt_node.childNodes.length > 0) {
					tt_node = tt_node.childNodes[0];
					tt_depth++;
					continue;
				}

			// if it is a text node (what we want) then process it
			} else if (tt_node.nodeType == 3) { // TEXT_NODE
				if(!skip) {
					tt_node = textproc(tt_node, tt_node.tagName);
				} else {
					skip = false;
				}
			}



			// if there's another sibling, then check that out the next iteration of the loop
			if (tt_node.nextSibling) {
				tt_node = tt_node.nextSibling;
		
			// if there's not, then back up to the parent node and try the next child
			} else {
				while (tt_depth > 0) {
					try {
						tt_node = tt_node.parentNode;
						tt_depth--;
					
						if (tt_node.nextSibling) {
							tt_node = tt_node.nextSibling;
							break;
						}
					} catch (err) {
						tt_depth--;
						if (tt_depth <= 0) {
							break;
						} else {
							continue;
						}
					}
				}
			}
		}
		tt_inline_obj.hilite_element();
	}

	this.hide_div = function() {
		var tt_popup = document.getElementById('thundertext_ad');
		if (Opera) {
			tt_popup.style.position="static";
		}
		tt_popup.style.visibility="hidden";
		tt_popup.display = "none";
	}

	this.show_div = function() {
		var tt_popup = document.getElementById('thundertext_ad');
		if (Opera) {
	        	tt_popup.style.position="absolute";
		}
		tt_popup.style.visibility="visible";
		tt_popup.display = "";

	}

	this.control_timer = function(tt_switch) {

		/*
		*  This function either resets the display show timer or 
		*  starts the display hide timer based on the boolean switch passed in. 
		*/

		if (tt_switch) {
			clearTimeout(tt_timer);
	                tt_timer = setTimeout('tt_inline_obj.show_div();', 100);
		} else {
			clearTimeout(tt_timer);
			if (!tt_word_bool && !tt_div_bool) {
				tt_timer = setTimeout('tt_inline_obj.hide_div();', 1000);
			}
		}
	}

	this.create_ad_div = function() {
		var tt_div = document.createElement('div');
		tt_div.setAttribute('id', 'thundertext_ad');
		tt_div.setAttribute('style', 'position:absolute;visibility:hidden;');
	
		if(IE) {
	        	tt_div.onmouseover = function() {
				tt_div_bool = true;
				tt_inline_obj.control_timer(true);
	        	}
			tt_div.onmouseout = function() {
				tt_div_bool = false;
				tt_inline_obj.control_timer(false);
			}
		} else {
			tt_div.setAttribute('onmouseover', 'tt_div_bool=true; tt_inline_obj.control_timer(true);');
			tt_div.setAttribute('onmouseout', 'tt_div_bool=false; tt_inline_obj.control_timer(false);');
		}
		document.body.appendChild(tt_div);
	}
}

function get_max_y() {
        var tt_maxY = 0;
        if(typeof(window.innerWidth) == 'number') {
                tt_maxY = window.innerHeight;                           // non-ie
        } else if(document.documentElement && document.documentElement.clientHeight) {
                tt_maxY = document.documentElement.clientHeight;        // ie6 in standards-compliant mode
        } else if(document.body || document.body.clientHeight) {
                tt_maxY = document.body.clientHeight;                   // ie4 compatible
        }
        return tt_maxY;
}

function get_scroll_y() {
        var scrOfY = 0;
        if (typeof(window.pageYOffset) == 'number') {
                scrOfY = window.pageYOffset;                            // netscape compliant
        } else if (document.body && (document.body.scrollLeft || document.body.scrollTop)) {
                scrOfY = document.body.scrollTop;                       // DOM compliant [dompliant.. heh]
        } else if (document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
                scrOfY = document.documentElement.scrollTop;            // ie6 standards-compliant mode
        }
        return scrOfY;
}


function appendStyleRule (ruleSet) {
        if (document.styleSheets) {
                if (document.styleSheets.length == 0) {
                        appendStyleElement();
                }
                if (document.styleSheets.length > 0) {
                        if (document.styleSheets[0].addRule) {
                                var ruleSetPattern = /(.*)({([^}]*)})/;
                                var match = ruleSetPattern.exec(ruleSet);
                                if (match) {
                                        var selector = match[1];
                                        var declarations = match[3];
                                        document.styleSheets[document.styleSheets.length -1].addRule(selector, declarations);
                                }
                        }
                }
        }
}

function invert_color(old_color) {
        c = new Array(3);
       	c[0] = '0x' + old_color.substr(0,2);
        c[1] = '0x' + old_color.substr(2,2);
       	c[2] = '0x' + old_color.substr(4,2);
        return ((0.3*c[0] + 0.59*c[1] + 0.11*c[2]) <= 128) ? "FFFFFF" : "000000";
}

function appendStyleElement () {
        if (document.createElement) {
                var styleElement = document.createElement('style');
                if (styleElement) {
                        styleElement.type = 'text/css';
                        var headElement = document.getElementsByTagName('head')[0];
                        headElement.appendChild(styleElement);
                }
        }
}

function get_num_ads(template) {
        switch (template) {
                case "120x240":
                        return 2;
                case "120x600":
                        return 4;
                case "125x125":
                        return 1;
                case "160x600":
                        return 4;
                case "180x150":
                        return 2;
                case "234x60":
                        return 1;
                case "250x250":
                        return 4;
                case "300x250":
                        return 4;
                case "336x280":
                        return 4;
                case "468x60":
                        return 2;
                case "728x90":
                        return 4;
                default:
			thundertext_template = "728x90";
                        return 4;
        }
}

function is_numeric(tt_num) {
        var valid_chars = "0123456789";
        var character;
        for (tt_i = 0; tt_i < tt_num.length; tt_i++) {
                character = tt_num.charAt(tt_i);
                if (valid_chars.indexOf(character) == -1) {
                        return false;
                }
        }
        return true;
}



// RESET ALL THE USER VARIABLES SO THE NEXT AD IS NOT AFFECTED
clear_user_input();