function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {		
		// FIBER-FILM menu
		advantages_over = newImage(uppathToRoot + "products_services/refining_technology/products/images/gui/fiber-film/advantages_over.gif");
		extraction_processes_over = newImage(uppathToRoot + "products_services/refining_technology/products/images/gui/fiber-film/extraction_processes_over.gif");
		oxidation_processes_over = newImage(uppathToRoot + "products_services/refining_technology/products/images/gui/fiber-film/oxidation_processes_over.gif");
		streams_treated_over = newImage(uppathToRoot + "products_services/refining_technology/products/images/gui/fiber-film/streams_treated_over.gif");
		
		preloadFlag = true;
	}
}
sfHover = function() {
	var sfEls = document.getElementById("TopMenu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	var sfEls = document.getElementById("SubMenu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) {
	window.attachEvent("onload", sfHover);
}