n = (document.layers)? true:false
		ie = (document.all)? true:false

		function preload(imgObj,imgSrc) {
                if (document.images) {
                        eval(imgObj+' = new Image()')
                        eval(imgObj+'.src = "'+imgSrc+'"')
                }
        }
		
   preload('img1off','pics/link.remanufactured.out.gif')
   preload('img2off','pics/link.crankshafts.out.gif')
   preload('img3off','pics/link.machineshop.out.gif')
   preload('img4off','pics/link.dealersonly.out.gif')
   preload('img5off','pics/link.logout.out.gif')
   preload('img1on','pics/link.remanufactured.over.gif')
   preload('img2on','pics/link.crankshafts.over.gif')
   preload('img3on','pics/link.machineshop.over.gif')
   preload('img4on','pics/link.dealersonly.over.gif')
   preload('img5on','pics/link.logout.over.gif')
   
   
	function swapPic(layer,imgName,imgObj) {
	                if (document.images) {
	  		              if ((n) && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
	     		          else document.images[imgName].src = eval(imgObj+".src");
	        } 
	}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? document.layers[id]: null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}	
	
function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

	
function logout(url) {
	if (confirm("Are you sure you want to logout?")) {
	document.location=url; 
		}
}