var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};

BrowserDetect.init();


function collapseNavMenu() {
		var url = location.href;
		var selectedLink = url.substring(url.indexOf("MGIUS"),url.lastIndexOf('/'))+"/index.htm";
		var selectedLinkFR = url.substring(url.indexOf("MGIFR"),url.lastIndexOf('/'))+"/index.htm";
		var selectedLinkES = url.substring(url.indexOf("MGIES"),url.lastIndexOf('/'))+"/index.htm";
		var selectedLinkCorp = url.substring(url.indexOf("MGICorp"),url.lastIndexOf('/'))+"/index.htm";
				
		var closedCSS = '';
		var openedCSS = '';
		var selectedCSS = 'selected';
		var openedCountry = 'countryLinks';
		
		if(BrowserDetect.browser == "Firefox" || BrowserDetect.browser == "Safari" ){
			closedCSS = 'navff_closed';
			openedCSS = 'navff_opened';
		} else if (BrowserDetect.browser == "Explorer") {
			closedCSS = 'closed';
			openedCSS = 'opened';
		} else {
			closedCSS = 'closed';
			openedCSS = 'opened';	
		}
		
		var link;
		var parentItem;
		var selectedItem;
		var subEL;
		var cc;
		
		var els = document.getElementsByTagName("a");
		var oBox = document.getElementById("left_sidebar");
    var aKids = oBox.getElementsByTagName("ul");
		var allLists = document.getElementsByTagName('ul');
		var linkList = allLists[1].getElementsByTagName('a');
		var navList = allLists[1].getElementsByTagName('ul');
		
		if (selectedLink == "MGIUS/index.htm" || selectedLinkCorp == "MGICorp/index.htm" || selectedLinkFR == "MGIFR/index.htm" || selectedLinkES == "MGIES/index.htm" ){
			for(var i=0; i<els.length; i++) {
				subEL = els[i].parentNode;
				if(els[i].parentNode.id == "sub_closed"){
					subEL.style.display="none";
					if(BrowserDetect.browser == "Firefox") {
						subEL.id = closedCSS;
					}
				}				
			}
		}

		for (var i=0; i<linkList.length; i++) {
			link = linkList[i].href;
         	if (link.indexOf(selectedLink) >= 0) {  			         		
            	linkList[i].id = selectedCSS;
         	}    
		}
				
		for (var i=0; i<navList.length; i++) {
			parentItem = navList[i].parentNode;
			if (selectedLink == "MGIUS/index.htm" || selectedLinkCorp == "MGICorp/index.htm" || selectedLinkFR == "MGIFR/index.htm" || selectedLinkES == "MGIES/index.htm"){
				parentItem.id = openedCSS;
			} else {
				parentItem.id = closedCSS;
			}
		}	
		
		selectedItem = document.getElementById(selectedCSS);
		if (selectedItem != null) {			
			if (selectedItem.parentNode.id == closedCSS) {
				selectedItem.parentNode.id = openedCSS;
			}
			if (selectedItem.parentNode.parentNode.parentNode.id == closedCSS) {
				selectedItem.parentNode.parentNode.parentNode.id = openedCSS;
			}			
			if (selectedItem.parentNode.parentNode.parentNode.parentNode.id == closedCSS) {
				selectedItem.parentNode.parentNode.parentNode.parentNode.id = openedCSS;
			}
			if (selectedItem.parentNode.parentNode.parentNode.parentNode.parentNode.id == closedCSS) {
				selectedItem.parentNode.parentNode.parentNode.parentNode.parentNode.id = openedCSS;					
			}
		}
		
		// code added to handle the Change Language section
		for (var iKid = 0; iKid < aKids.length; iKid++) {
			cc = aKids[iKid].parentNode;
			ccInner = aKids[iKid].childNodes;			
			if(aKids[iKid].id == "countryLinks" && aKids[iKid].childNodes[0].childNodes[0].id != null){
				aKids[iKid].style.display="block";
				for(var x = 0; x < aKids[iKid].childNodes.length; x++){
					aKids[iKid].childNodes[x].childNodes[0].style.display="block";
				}
			}
    }
	}