function makeHoverForNav(){
		
		if(document.all && document.layers){ // IE

			var tdList = document.getElementsByTagName('td');
			
			for(i=0;i<tdList.length;i++){
				if (tdList[i].className == 'car'){
					tdList[i].onmouseover = function(){
						this.className = "carover";						
					}
					
					tdList[i].onmouseout = function(){
						this.className = "car";						
					}
				} else if (tdList[i].className == 'carwide'){
							tdList[i].onmouseover = function(){
								this.className = "carwideover";						
							}
							
							tdList[i].onmouseout = function(){
								this.className = "carwide";						
							}
						}
				
				
			}
	
		}
	}
	
document.getElementsByClassName = function(clsName){
	var retVal = new Array();
	var elements = document.getElementsByTagName("*");
	for(var i = 0;i < elements.length;i++){
		if(elements[i].className.indexOf(" ") >= 0){
			var classes = elements[i].className.split(" ");
			for(var j = 0;j < classes.length;j++){
				if(classes[j] == clsName)
					retVal.push(elements[i]);
			}
		}
		else if(elements[i].className == clsName)
			retVal.push(elements[i]);
	}
	return retVal;
}	

function swapover(which){
	var inputEle;
	var src = "";
	
	for (var ind = 0; ind < which.childNodes.length; ind ++){
		if (which.childNodes[ind].nodeType == "1"){
			inputEle = 	which.childNodes[ind];
			src = inputEle.getAttribute('src');
		}
	}
	
	if (src.indexOf(".com") >=0){
		var parts = src.split(".com");
		src = parts[1];
	}
	
	if (src.indexOf(".") >= 0){
		var parts = src.split(".");
		var preloadsrc = parts[0]+ ".over." + parts[1];

	inputEle.src = preloadsrc;
	}			
}

function swapback(which){
	var inputEle;
	var src = "";
	
	for (var ind = 0; ind < which.childNodes.length; ind ++){
		if (which.childNodes[ind].nodeType == "1"){
			inputEle = 	which.childNodes[ind];
			src = inputEle.getAttribute('src');
		}
	}
	
	if (src.indexOf(".over.") >= 0){
		var parts = src.split("over.");
		var preloadsrc = parts[0]+ parts[1];
	
	inputEle.src = preloadsrc;	
	}			
}

function preloadButtons(){
	var buttons = document.getElementsByClassName('imgbtnwover');
	for (i=0;i<buttons.length;i++){
		var src = buttons[i].getAttribute('src');
	if (src.indexOf(".com") >=0){
		var parts = src.split(".com");
		src = parts[1];
	}
	
	if (src.indexOf(".") >= 0){
			var parts = src.split(".");
			var preloadsrc = parts[parts.length-2]+ ".over." + parts[parts.length-1];
			preloadImage = new Image();
			preloadImage.src = preloadsrc;
		}
	}
}
	
function preloadNavImages(){
    headerOverImage = new Image(23,117);
    headerOverImage.src="/img/general/top.trainlinks.car.over.gif";
    
    leftnavOverImage = new Image(23,148);
    leftnavOverImage.src="/img/general/left.trainlinks.car.w.over.gif";
}

window.onload = function(){
    preloadNavImages();
	//makeHoverForNav();
	preloadButtons();
	
	if (document.getElementById('sun_name')){	// if sign up box exists on the page
		restoreValuesFromCookies();
	}
}

function bookmarksite(url,title){
	title = 'Early Advantage - ' + title;
	if (document.all && window.external) //IE
		window.external.AddFavorite(url, title);
	else if (window.sidebar)
		window.sidebar.addPanel(title, url, "")
}