/*
 * jQuery JavaScript Library v1.3.2
 * http://jquery.com/
 *
 * Copyright (c) 2009 John Resig
 * Dual licensed under the MIT and GPL licenses.
 * http://docs.jquery.com/License
 *
 * Date: 2009-02-19 17:34:21 -0500 (Thu, 19 Feb 2009)
 * Revision: 6246
 */
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J=this[0],G=J.offsetParent,F=J,O=J.ownerDocument,M,H=O.documentElement,K=O.body,L=O.defaultView,E=L.getComputedStyle(J,null),N=J.offsetTop,I=J.offsetLeft;while((J=J.parentNode)&&J!==K&&J!==H){M=L.getComputedStyle(J,null);N-=J.scrollTop,I-=J.scrollLeft;if(J===G){N+=J.offsetTop,I+=J.offsetLeft;if(o.offset.doesNotAddBorder&&!(o.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(J.tagName))){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}F=G,G=J.offsetParent}if(o.offset.subtractsBorderForOverflowNotVisible&&M.overflow!=="visible"){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}E=M}if(E.position==="relative"||E.position==="static"){N+=K.offsetTop,I+=K.offsetLeft}if(E.position==="fixed"){N+=Math.max(H.scrollTop,K.scrollTop),I+=Math.max(H.scrollLeft,K.scrollLeft)}return{top:N,left:I}}}o.offset={initialize:function(){if(this.initialized){return}var L=document.body,F=document.createElement("div"),H,G,N,I,M,E,J=L.style.marginTop,K='<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';M={position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"};for(E in M){F.style[E]=M[E]}F.innerHTML=K;L.insertBefore(F,L.firstChild);H=F.firstChild,G=H.firstChild,I=H.nextSibling.firstChild.firstChild;this.doesNotAddBorder=(G.offsetTop!==5);this.doesAddBorderForTableAndCells=(I.offsetTop===5);H.style.overflow="hidden",H.style.position="relative";this.subtractsBorderForOverflowNotVisible=(G.offsetTop===-5);L.style.marginTop="1px";this.doesNotIncludeMarginInBodyOffset=(L.offsetTop===0);L.style.marginTop=J;L.removeChild(F);this.initialized=true},bodyOffset:function(E){o.offset.initialized||o.offset.initialize();var G=E.offsetTop,F=E.offsetLeft;if(o.offset.doesNotIncludeMarginInBodyOffset){G+=parseInt(o.curCSS(E,"marginTop",true),10)||0,F+=parseInt(o.curCSS(E,"marginLeft",true),10)||0}return{top:G,left:F}}};o.fn.extend({position:function(){var I=0,H=0,F;if(this[0]){var G=this.offsetParent(),J=this.offset(),E=/^body|html$/i.test(G[0].tagName)?{top:0,left:0}:G.offset();J.top-=j(this,"marginTop");J.left-=j(this,"marginLeft");E.top+=j(G,"borderTopWidth");E.left+=j(G,"borderLeftWidth");F={top:J.top-E.top,left:J.left-E.left}}return F},offsetParent:function(){var E=this[0].offsetParent||document.body;while(E&&(!/^body|html$/i.test(E.tagName)&&o.css(E,"position")=="static")){E=E.offsetParent}return o(E)}});o.each(["Left","Top"],function(F,E){var G="scroll"+E;o.fn[G]=function(H){if(!this[0]){return null}return H!==g?this.each(function(){this==l||this==document?l.scrollTo(!F?H:o(l).scrollLeft(),F?H:o(l).scrollTop()):this[G]=H}):this[0]==l||this[0]==document?self[F?"pageYOffset":"pageXOffset"]||o.boxModel&&document.documentElement[G]||document.body[G]:this[0][G]}});o.each(["Height","Width"],function(I,G){var E=I?"Left":"Top",H=I?"Right":"Bottom",F=G.toLowerCase();o.fn["inner"+G]=function(){return this[0]?o.css(this[0],F,false,"padding"):null};o.fn["outer"+G]=function(K){return this[0]?o.css(this[0],F,false,K?"margin":"border"):null};var J=G.toLowerCase();o.fn[J]=function(K){return this[0]==l?document.compatMode=="CSS1Compat"&&document.documentElement["client"+G]||document.body["client"+G]:this[0]==document?Math.max(document.documentElement["client"+G],document.body["scroll"+G],document.documentElement["scroll"+G],document.body["offset"+G],document.documentElement["offset"+G]):K===g?(this.length?o.css(this[0],J):null):this.css(J,typeof K==="string"?K:K+"px")}})})();









// Printable Page CSS 
function printableCSS(){
	var params = location.search;
	if (params.indexOf("printable=yes") != -1) {	
		document.write('<style type="text/css">@import url(/css/printable.css);</style>');
		document.write('<link rel="stylesheet" type="text/css" media="print" href="/css/printed.css" />');
	}
}

function initPrintable(){
	var params = location.search;
	if (params.indexOf("printable=yes") != -1) {	
		document.getElementById("footerPrintableLink").innerHTML = "Find this page at: http://www.visadps.com" + location.pathname;
		document.getElementById("footerPrintControls").innerHTML = document.getElementById("printControls").innerHTML;
	}
}

/**
 * http.js: utilities for scripted HTTP requests
 *
 * From the book JavaScript: The Definitive Guide, 5th Edition,
 * by David Flanagan. Copyright 2006 O'Reilly Media, Inc. (ISBN: 0596101996)
 */

// Make sure we haven't already been loaded
var HTTP;
if (HTTP && (typeof HTTP != "object" || HTTP.NAME))
	throw new Error("Namespace 'HTTP' already exists");

// Create our namespace, and specify some meta-information
HTTP = {};
HTTP.NAME = "HTTP";    // The name of this namespace
HTTP.VERSION = 1.0;    // The version of this namespace

// This is a list of XMLHttpRequest creation factory functions to try
HTTP._factories = [
	function() { return new XMLHttpRequest(); },
	function() { return new ActiveXObject("Msxml2.XMLHTTP"); },
	function() { return new ActiveXObject("Microsoft.XMLHTTP"); }
];

// When we find a factory that works, store it here
HTTP._factory = null;

/**
 * Create and return a new XMLHttpRequest object.
 * 
 * The first time we're called, try the list of factory functions until
 * we find one that returns a nonnull value and does not throw an
 * exception.  Once we find a working factory, remember it for later use.
 */
HTTP.newRequest = function() {
	if (HTTP._factory != null) return HTTP._factory();

	for(var i = 0; i < HTTP._factories.length; i++) {
		try {
			var factory = HTTP._factories[i];
			var request = factory();
			if (request != null) {
				HTTP._factory = factory;
				return request;
			}
		}
		catch(e) {
			continue;
		}
	}

	// If we get here, none of the factory candidates succeeded,
	// so throw an exception now and for all future calls.
	HTTP._factory = function() {
		throw new Error("XMLHttpRequest not supported");
	}
	HTTP._factory(); // Throw an error
}


// Analytics Link Modifier
function analink(a, tags) {
	if (!a.href) return; // not really a link
	if (a.hostname != location.hostname) {
		offsite_beacon(a.href, tags);
	} else {
		// it would be easier here to just set/modify the a.search string
		// but safari chokes on that
		var hash = "";
		if (a.href.indexOf('#') > 0) {
			hash = a.hash;
			a.href = a.href.slice(0, a.href.lastIndexOf('#'));
		}
		a.href += (a.href.indexOf('?') > 0 ? "&" : "?") + tags + hash;
	}
}

// 2007.09.18 - olangan@aa-rf.com - removed js_is_offsite function, now using VISA.base_href
function offsite_beacon(url, tags) {
	var target = VISA.base_href + "/trk/bc/ana.gif?" + tags + "|" + escape(url) + "&rnd=" + Math.random();
	var pattern = /it=/ig;
	target = target.replace(pattern, "anaext=");	
	var beacon = HTTP.newRequest();
	beacon.open("GET", target);
	beacon.send(null);
	var timeout = (new Date()).getTime() + 500;
	while (true) {
		if (beacon.readyState >= 2) break;
		if ((new Date()).getTime() >= timeout) break;  
	}
}

function bodyContentAnalytics(div, anatag) {
	if (!document.getElementById(div)) return; // can't find div
	anatag = (anatag == null ? "il" : anatag);
	var nodeList = document.getElementById(div).getElementsByTagName("a");
	for (var i = 0; i < nodeList.length; i++){
		var linkRef = nodeList.item(i);
		if (linkRef.className.indexOf("analink") > -1) {
			var linkText = (linkRef.firstChild != null && linkRef.firstChild.src) ? linkRef.firstChild.src : escape(linkRef.innerHTML);
			var path = location.pathname;
			if (path.match(/ext\/nav/) != null && document.referrer != "") {
				// special case for iframes, so that they show their referrer instead of their location,
				// which == their parent window, but without the cross-site scripting issues
				path = document.referrer;
				path = path.replace(/^https?:\/\/[^\/]+(\/[^\?]+).*$/, "$1");
			}
			linkRef.analyticsTags = "it=" + anatag + "|" + escape(path) + "|" + linkText;
			linkRef.onclick = function() { analink(this, this.analyticsTags); }
		}
	}
}

function getFileNameFromPath(path) {
	return path.substring(path.lastIndexOf('/')+1);
}

function initAnalytics(){
	if (!document.getElementById) return;
	
	//bodyContentAnalytics("printIcon");		//looks like a class, not a div
	bodyContentAnalytics("rightCol","r");		//rightCol maybe too broad, Kyle's call? 
	bodyContentAnalytics("logo","h0");				//Visa logo
	bodyContentAnalytics("siteLinks","h1");			//Segment
	bodyContentAnalytics("primaryNav","h3");		//Category
	bodyContentAnalytics("secondaryNav","h4");		//Subcategory
	bodyContentAnalytics("tertiaryNav","l2");		//leftnav
	bodyContentAnalytics("featurePrimary","r3");	//features
	bodyContentAnalytics("featureSecondary","r3");	//features
	bodyContentAnalytics("footer","f");				//footer
	bodyContentAnalytics("content","c");			//body content

	//bodyContentAnalytics("rndownloads","r4");		//right nav downloads (Punita to add?)
	//bodyContentAnalytics("rnrelated","r5");			//right nav related info (Punita to add?)
	//bodyContentAnalytics("emailprintModule","il");	//printable page (not sure about this)	
}


// start popup
var NS = document.layers
var IE = document.all

function popUp(url, wd, ht, props){
	var extra;
	if(!props) extra="scrollbars=yes,directories=no,status=no,resizable=no,toolbar=no,menubar=no,top=160,left=160";
	else extra=props;
	if (NS || IE) {	
		var lt = screen.width - wd -50
		var prop = extra + ", left=" + lt  + ",width=" + wd + ",height=" + ht + "top=160,left=160'"
		top.window.open(url, "siteletpop", prop)
	} else {
		var prop = extra + ",width=" + wd + ",height=" + ht
		top.window.open(url, "siteletpop", prop)
	}
}
// end popup


// Previous page links
function previousPage(referrer,text,it) {
	var pos = referrer.indexOf('?');
	var loc = referrer.substring(0,pos);
	if (pos != -1) {
		document.write('<a href="' + loc + '?it=' + it + '">' + text + '</a>');
	}
}

// Rollover Script
/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	
	var aInputs = document.getElementsByTagName("input");
	var aImg = document.getElementsByTagName('img');
	var aImages = new Array();

	for(var i = 0; i < aInputs.length; i++)
	{
		aImages[i] = aInputs.item(i);
	}
	
	for(var i = 0; i < aImg.length; i++)
	{
		aImages[i + aInputs.length] = aImg.item(i);
	}

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_over'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_over'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

// dynamically append an additional parameter to the search form
//		olangan@aa-rf.com 2006.08.08
function setSearchStyle() {
	var form = document.forms["seek1"];
	if (!form) return;
	if (location.href.search(/visats2/) > -1 || location.href.search(/visaweb2/) > -1) {
		form.action = "http://visaapp2.clients.aptegrity.com:7654/UsaSearch/query.html";
	}
	var searchStyle = document.createElement("input");
	searchStyle.setAttribute("type", "hidden");
	searchStyle.setAttribute("name", "style");
	searchStyle.setAttribute("value", "usa");
	form.appendChild(searchStyle);
}


function init() {
	initRollovers();
	initAnalytics();
	initPrintable();
	setSearchStyle();
}

window.onload = init;

// start Flash movie analytics code
//	   olangan@aa-rf.com 2006.07.17
//     cstetson@aa-rf.com 2006.08.15
//     olangan@aa-rf.com 2007.03.19, added check for anchors
function flashAnaLink(flashFile, linkID, targetURL) {
	// START NFL07 hack
	// olangan@aa-rf.com 2007.08.31
	// this is a short-term hack to fix some hard-coded links in the NFL 07 microsite Flash
	var nfl_link_ids = {
		"nfl07_home_howitworksnav": "how_it_works.html",
		"nfl07_home_enteronline": "https://visa.promotionexpert.com/insidepass/SweepStake",
		"nfl07_home_enteronline_usecard": "https://visa.promotionexpert.com/insidepass/SweepStake",
		"nfl07_home_instantwinnav": "https://visa.promotionexpert.com/insidepass/VNIWG",
		"nfl07_home_instantwinfeature": "https://visa.promotionexpert.com/insidepass/VNIWG",
		"nfl07_home_visanfl": "visa_nfl.html",
		"nfl07_home_rules": "rules.html",
		"nfl07_home_click_reggie": "how_it_works.html",
		"nfl07_home_click_alex": "how_it_works.html",
		"nfl07_home_click_john": "how_it_works.html"
	};
	if (nfl_link_ids[linkID]) { targetURL = nfl_link_ids[linkID]; }
	// END NFL07 hack
	
	var rand = Math.round(Math.random() * 100000000);
	var queryDelim = (targetURL.match(/\?/) ? "&" : "?");
	var anchor = "";
	if (targetURL.match(/#/)) { // if passed URLs have anchor tags, they need to be moved to the end
		anchor = targetURL.substring(targetURL.indexOf("#"), targetURL.length);
		targetURL = targetURL.substring(0, targetURL.indexOf("#"));
	}
	
	//Check to see if it is going off site
	if (targetURL.match(/^http/)) {
		//Check to see if it is going to a visa site with visa in the name or survey solutions
		//they need to look at the http and domain because the URL is encoded and could contain visa
		if (VISA.has_USA_UI(targetURL)) {
			offsite_beacon(targetURL, "it=fl|" + location.pathname + "|" + flashFile + "|" + linkID);
			location.href = targetURL + anchor;
		} else {
			offsite_beacon(targetURL, "it=fl|" + location.pathname + "|" + flashFile + "|" + linkID);
			 var feature = 'toolbar=yes,titlebar=yes,location=yes,directories=yes,status=yes,' +
			 'menubar=yes,resizable=yes,copyhistory=no,fullscreen=no,scrollbars=yes';
			 var Win = window.open(targetURL,'comm', feature); if (Win.opener == null) Win.opener = this;
			 Win.focus();
		}
	} else {
		location.href = targetURL + queryDelim + "it=fl|" + location.pathname + "|" + flashFile + "|" + linkID + "&rand=" + rand + anchor;
	}
}

function flashAnaEvent(flashFile, eventID) {
	var rand = Math.round(Math.random() * 100000000);
	var beacon = new Image();
	beacon.src = "/trk/bc/s.gif?eve=fl|" + location.pathname + "|" + flashFile + "|" + eventID + "&rand=" + rand;
}

function flashAnaHotspot(flashFile, eventID, actionID) {
	if(!actionID) actionID = "hover";
	anaHotspot(flashFile, eventID, "fl", actionID);
	//var rand = Math.round(Math.random() * 100000000);
	//var beacon = new Image();
	//beacon.src = "/trk/bc/s.gif?hot=fl|" + location.pathname + "|" + flashFile + "|" + eventID + "&rand=" + rand;
}
// end Flash movie analytics code

// start DHTML/AJAX/JS analytics code
//     olangan@aa-rf.com 2006.08.12
function anaHotspot(callerID, targetID, typeID, actionID) {
	if(!typeID) typeID = "js";
	if(!actionID) actionID = "hover";
	var rand = Math.round(Math.random() * 100000000);
	var beacon = new Image();
	beacon.src = "/trk/bc/s.gif?anahot=" + typeID + "|" + actionID + "|" + location.pathname + "|" + callerID + "|" + targetID + "&rand=" + rand;
}
// end DHTML/AJAX/JS analytics code
// end Flash movie analytics code


// VISA is a namespace to encapsulate Visa-specific code.
// Use sub-namespaces as necessary, and avoid globals where possible.
//
// 2007.05.22 - olangan@aa-rf.com - initial implementation
// 2007.07.12 - olangan@aa-rf.com - changed from object literal to function
// 2007.09.17 - olangan@aa-rf.com - check whether VISA namespace already exists
// 2007.09.18 - olangan@aa-rf.com - added has_USA_UI method
//
// VISA.include_js(), VISA.include_css()
// Dynamically load script and CSS files.  By default, a file will only be loaded once,
// but if the optional second parameter is true the file will be re-loaded.
//
// 'include' functions in this file (and others which are loaded on external sites)
// must add VISA.base_href to files that are on the same server as visa.js
// or else they will not load in off-site contexts

var VISA;

if (!VISA) {
	VISA = new (function() {
		var included_files = {}; // a dictionary of previously-loaded files
		
		this.include_js = function(scriptFile, reload) {
			try {
				if (reload === true || !included_files.hasOwnProperty(scriptFile)) {
					document.write('<' + 'script');
					document.write(' type="text/javascript"');
					document.write(' src="' + scriptFile + '">');
					document.write('<\/' + 'script' + '>');
					included_files[scriptFile] = true;
				}
			} catch(e) {
				console.log(scriptFile + " not loaded")
				// do nothing, but do not halt execution
			}
		};
		
		// creates a link tag, suitable for use in the head of a document
		this.include_css = function(cssFile, reload) {
			try {
				if (reload === true || !included_files.hasOwnProperty(cssFile)) {
					document.write('<' + 'link rel="stylesheet"');
					document.write(' type="text/css"');
					document.write(' href="' + cssFile + '" />');
					included_files[cssFile] = true;
				}
			} catch(e) {
				console.log(cssFile + " not loaded")
				// do nothing, but do not halt execution
			}
		};
		
		// the host from which this file (visa.js) has been loaded
		this.script_host = (function() {
			try {
				var script_tags = document.getElementsByTagName("script");
				for (var i = 0; i < script_tags.length; i++) {
					var tag = script_tags.item(i);
					if (tag.src == "undefined") { continue; }
					var match = tag.src.match(/^https?:\/\/([^\/]+)\/.*\/visa\.js/);
					if (match && tag.src.indexOf(location.host) < 0) { return match[1]; }
				}
			} catch (e) {
				// do not halt execution
			}
			return location.host; // default value
		})(); // declare and call the function, get its return value
		
		// protocol + script_host
		this.base_href = location.protocol + "//" + this.script_host;
		
		// takes a URL and returns true if we are on a 'visa look-and-feel' site
		// this function can be updated with custom logic based on URL
		this.has_USA_UI = function(url) {
			// the general rule is that URLs with 'visa' in the name share the same UI
			var usa_ui = url.match(/http.*visa.*\.[com|net|org]/i);
			
			// specific rules follow in order of precedence, and return the appropriate value directly
			if (url.match(/surveysolutions\.com/i)) { return true; }
			if (url.match(/lifetakesvisa\.com/)) { return false; }
			if (url.match(/visa\.com\/news/)) { return false; }
			if (url.match(/visa\.com\/media/)) { return false; }
			if (url.match(/visa\.com\/careers/)) { return false; }
			if (url.match(/visa\.com\/aboutvisa/)) { return false; }
			if (url.match(/visa\.com\/\?nopass=1/)) { return false; }
			if (url.match(/usa\.visa\.com\/corporate\/splash.html/)) { return false; }
			
			
			return usa_ui;
			
		}
	});
	
	// NOTE that while jquery is loaded here, it appears 'after' this script in the document flow
	// and thus is not available within this file.  it _can_ be used in subsequently 'included' files.
	// VISA.include_js(VISA.base_href + "/js/jquery.pack.js"); // not yet enabled globally
	// VISA.include_js(VISA.base_href + "/js/analytics.js"); // not yet enabled globally
}


// as time goes on, various functions within this file will be:
// * relocated to external files.
// * converted to use namespaces (within VISA)
// * refactored to use jquery and thus smaller
//
// LoL 2007.05.23 TODO - create top-level logger utility to write out to console.log (if possible)