// Google Analytics account profile defined in global.js

function gaProcessFileURLS ($root) {
    // document extensions to look for
    var fileTypes = ['ai','doc','docx','eps','mp3','pdf','ppt','pptx','psd','xls','xlsx','xml','zip'];
    var gaDocumentVpvPrefix = '/vpv/files';
    var gaOutgoingVpvPrefix = '/vpv/outgoing';
    var extRegExp = new RegExp('\\.(' + fileTypes.join('|') + ')(\\?.*)?$'); // RegExp incorporates the tracked filetypes above
    $root.find('a[href]').each(function() {
        var $a = $(this);
        
        // Get URL, set to lowercase and remove anchor
        var href = $a.attr('href').toLowerCase().replace(/#.*$/, '');
        if (href != null && href != '' && !href.match(/^javascript:/)) { // Skip empty or JavaScript URLs
        
            if (href.match(/^https?:\/\//)) { // External link
                $a.click(function() {
                    href = href.replace(/^https?:\/\/(www\.)?/, '/').replace(/\/(default\.aspx)?$/, ''); //cleanup for nice GA reports
                    pageTracker._trackPageview(gaOutgoingVpvPrefix + href);
                });
            } else if (extRegExp.test(href)) { // Check for extension
                $a.click(function() {
                    // If no leading slash, then merge with current URL
                    if (href.charAt(0) != '/') {
                        href = location.pathname.replace(/\/[^\/]*$/, '/') + href;
                    }
                 
                    // Clean any ".." folders.  Replace the first instance of "/dirname/../" with "/". Repeat until no change occurred.
                    var tmpHref;
                    do {
                        tmpHref = href;
                        href = href.replace(/\/[^\/]*[^\/\.]+[^\/]*\/\.\.\//, '/');
                    } while (tmpHref != href);
                    
                    // Remove redundant "/./"
                    href = href.replace(/\/\.\//, '/');
                    
                    pageTracker._trackPageview(gaDocumentVpvPrefix + href);
                });
            }
        }
    });
}

$(function(){
  if(typeof pageTracker != "undefined") { 
    gaProcessFileURLS($(document));

    //thickbox links
    $("a.thickbox, area.thickbox, input.thickbox").click(function(){
      pageTracker._trackPageview($(this).attr('href'));
    });

    //topnav links
    $("#TopNav a").click(function(){
        //if topnav link is also external, remove http// part
        var href = $(this).attr('href');
         if (href.match(/^http/)){ 
             href = href.replace('http:/',''); 
         }
	  pageTracker._trackPageview('/topnav' + href);
    });
    
    //homepage drawers links      
    $("a.homeDrawer").click(function(){ 
	    pageTracker._trackPageview('/homedrawer/' + getValueFromClass(this, 'hd'));
    });
    
    var gaLinkClick = function(link) {
        pageTracker._trackPageview('/catchcode/' + getValueFromClass(link, 'ga'));
        // check to see if link is posting back
        var $link = $(link);
        if ($link.attr("href").indexOf("javascript:__doPostBack(") == 0) {
            __doPostBack($link.attr("id").replace(/\_/g, "$"), "");
            return false;
        }
        return true;
    };

    //catchcode links      
    $("a.catchCode, a.catchcode").click(function(){ 
        return gaLinkClick(this);
    }).bind("keydown", function (e) {
		if (e.keyCode == 10 || e.keyCode == 13) {
            return gaLinkClick(this);
        }
    });
  }
});


// Track SilverLight 2.0 
function onLoad() {
    var version = getSilverlightVersion();
    if (version) { __utmSetVar(version); }
}

function getSilverlightVersion() {
    var version = '';
    var container = null;
    try {
        var control = null;
        if (window.ActiveXObject) {
            control = new ActiveXObject('AgControl.AgControl');
        }
        else {
            if (navigator.plugins['Silverlight Plug-In']) {
                container = document.createElement('div');
                document.body.appendChild(container);
                container.innerHTML= '<embed type="application/x-silverlight" src="data:," />';
                control = container.childNodes[0];
            }
        }
        if (control) {
            if (control.isVersionSupported('2.0')) { version = 'Silverlight/2.0'; }
            else if (control.isVersionSupported('1.0')) { version = 'Silverlight/1.0'; }
        }
    }
    catch (e) { }
    if (container) {
        document.body.removeChild(container);
    }
    return version;
}