// JavaScript Document

	//Determines if Client Browser is IExplorer or Netscape
	clientBrowser=navigator.appName;
	clientVersion=navigator.appVersion;
	var IE = false;
	var NS_New = false;
	var NS_Old = false;
	
	if (clientBrowser.indexOf('Microsoft') != -1) {
		var IBrowser = 'Microsoft';
		var IE = true;
	}
	if (clientBrowser.indexOf('Netscape') != -1) {
		var IBrowser = 'Netscape';
		if (parseInt(clientVersion) >= 5) {var NS_New = true;}
		else {var NS_Old = true;}
	}

	//Set hide and show syntax
	if(IE){var hide='hidden';var show='visible';}
	if(NS_New){var hide='hidden';var show='visible';}
	if(NS_Old){var hide='hide';var show='show';}

	//Image Preload
	function MM_preloadImages() { //v3.0
	  	var d=document; 
	  	if(d.images){ 
	  		if(!d.MM_p) d.MM_p=new Array();
			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
			for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0){ 
				d.MM_p[j]=new Image; 
				d.MM_p[j++].src=a[i];
			}
		}
	}
	
	function MM_findObj(n, d) { //v4.01
	  	var p,i,x;  
		if(!d) d=document; 
		if((p=n.indexOf("?"))>0&&parent.frames.length) {
			d=parent.frames[n.substring(p+1)].document; 
			n=n.substring(0,p);
		}
	  	if(!(x=d[n])&&d.all) x=d.all[n]; 
		for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	 	if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function MM_nbGroup(event, grpName) { //v6.0
	  	var i,img,nbArr,args=MM_nbGroup.arguments;
	  	if (event == "init" && args.length > 2) {
			if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
		  		img.MM_init = true; 
				img.MM_up = args[3]; 
				img.MM_dn = img.src;
		  		if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
		  		nbArr[nbArr.length] = img;
		 		for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
					if (!img.MM_up) img.MM_up = img.src;
					img.src = img.MM_dn = args[i+1];
					nbArr[nbArr.length] = img;
				} 
			}
	  	} 
		else if (event == "over") {
			document.MM_nbOver = nbArr = new Array();
			for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
		  		if (!img.MM_up) img.MM_up = img.src;
		  		img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
		  		nbArr[nbArr.length] = img;
			}
	  	} 
		else if (event == "out" ) {
			for (i=0; i < document.MM_nbOver.length; i++) {
		  		img = document.MM_nbOver[i]; 
				img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; 
			}
	  	} 
		else if (event == "down") {
			nbArr = document[grpName];
			if (nbArr)
		  	for (i=0; i < nbArr.length; i++) { 
				img=nbArr[i]; 
				img.src = img.MM_up; 
				img.MM_dn = 0; 
			}
			document[grpName] = nbArr = new Array();
			for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
		  		if (!img.MM_up) img.MM_up = img.src;
		  		img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
		  		nbArr[nbArr.length] = img;
	  		} 
		}
	}
	
	//Menu Visibility Functions
	function mnuVisible(mnu)
	{
	mnuHide();
	if(IE){
			if(mnu=='shwAboutUs')document.all.mnuAboutUs.style.visibility=show;
			if(mnu=='shwServices')document.all.mnuServices.style.visibility=show;
			if(mnu=='shwCourses')document.all.mnuCourses.style.visibility=show;
		  }
	if(NS_New){
			if(mnu=='shwAboutUs')document.getElementById('mnuAboutUs').style.visibility=show;
			if(mnu=='shwServices')document.getElementById('mnuServices').style.visibility=show;
	        if(mnu=='shwCourses')document.getElementById('mnuCourses').style.visibility=show;
		  }
	}
	
	function mnuHide()
	{
	if(IE){
			document.all.mnuAboutUs.style.visibility=hide;
			document.all.mnuServices.style.visibility=hide;
			document.all.mnuCourses.style.visibility=hide;
		  }
	if(NS_New){
			document.getElementById('mnuAboutUs').style.visibility=hide;
			document.getElementById('mnuServices').style.visibility=hide;
			document.getElementById('mnuCourses').style.visibility=hide;
		  }
	}