userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

function changeImg() {
	if (document.images) {
		var img;
		for (var i=0; i<changeImg.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImg.arguments[i],0);
			}
			else {
				img = document.images[changeImg.arguments[i]];
			}
			if (img) {
				img.src = changeImg.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImg() {
	if (document.images) {
		DieselDirect_14_over 	= newImage("/DieselDirect/graphics_slices/DieselDirect_14-over.gif");
		DieselDirect_14_sticky 	= newImage("/DieselDirect/graphics_slices/DieselDirect_14-sticky.gif");
		DieselDirect_15_over 	= newImage("/DieselDirect/graphics_slices/DieselDirect_15-over.gif");
		DieselDirect_15_sticky 	= newImage("/DieselDirect/graphics_slices/DieselDirect_15-sticky.gif");
		DieselDirect_16_over 	= newImage("/DieselDirect/graphics_slices/DieselDirect_16-over.gif");
		DieselDirect_16_sticky 	= newImage("/DieselDirect/graphics_slices/DieselDirect_16-sticky.gif");
		DieselDirect_17_over 	= newImage("/DieselDirect/graphics_slices/DieselDirect_17-over.gif");
		DieselDirect_17_sticky 	= newImage("/DieselDirect/graphics_slices/DieselDirect_17-sticky.gif");
		
		if (sticky[0] == "true"){
		home_sticky 		= '/DieselDirect/graphics_slices/DieselDirect_14-sticky.gif';
		home_over 			= '/DieselDirect/graphics_slices/DieselDirect_14-sticky.gif';
		}
		else {
		home_sticky 		= '/DieselDirect/graphics_slices/DieselDirect_14.gif';
		home_over 			= '/DieselDirect/graphics_slices/DieselDirect_14-over.gif';
		};
		
		if (sticky[1] == "true"){
		aboutus_sticky 		= '/DieselDirect/graphics_slices/DieselDirect_15-sticky.gif';
		aboutus_over 		= '/DieselDirect/graphics_slices/DieselDirect_15-sticky.gif';
		}
		else {
		aboutus_sticky 		= '/DieselDirect/graphics_slices/DieselDirect_15.gif';
		aboutus_over 		= '/DieselDirect/graphics_slices/DieselDirect_15-over.gif';
		};
		
		if (sticky[2] == "true"){
		products_sticky 	= '/DieselDirect/graphics_slices/DieselDirect_16-sticky.gif';
		products_over 		= '/DieselDirect/graphics_slices/DieselDirect_16-sticky.gif';
		
		}
		else {
		products_sticky 	= '/DieselDirect/graphics_slices/DieselDirect_16.gif';
		products_over 		= '/DieselDirect/graphics_slices/DieselDirect_16-over.gif';
		};
		
		if (sticky[3] == "true"){
		resources_sticky 	= '/DieselDirect/graphics_slices/DieselDirect_17-sticky.gif';
		resources_over 		= '/DieselDirect/graphics_slices/DieselDirect_17-sticky.gif';
		}
		else {
		resources_sticky 	= '/DieselDirect/graphics_slices/DieselDirect_17.gif';
		resources_over 		= '/DieselDirect/graphics_slices/DieselDirect_17-over.gif';
		};
		
		preloadFlag = true;
		setMenu();
	}
}

function setMenu() {if (preloadFlag == true){
		changeImg('DieselDirect_14', home_sticky);
		changeImg('DieselDirect_15', aboutus_sticky);
		changeImg('DieselDirect_16', products_sticky);
		changeImg('DieselDirect_17', resources_sticky);
}}