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) {
		
		//english pictures		
		//document.images["arbtitle"].style.width=screen.width;
		ehome_down = newImage("images/ehome_down.gif");
		eSERVICESy_down = newImage("images/eSERVICESY_down.gif");
		ehistory_down = newImage("images/ehistory_down.gif");
		eARABIC_down = newImage("images/eARABIC_down.gif");
		Contact_us_down = newImage("images/Contact_us_down.gif");
		consultants_down= newImage("images/consultants_down.gif");
		//arabic pictures
		main_down= newImage("images/main_down.gif");
		arbconsultants_down= newImage("images/arbconsultants_down.gif");
		contact_down= newImage("images/contact_down.gif");
		english_down= newImage("images/english_down.gif");
		history_down= newImage("images/history_down.gif");
		services_down= newImage("images/services_down.gif");
		preloadFlag = true;
		
		//document.images["imagename"].style.height=screen.height; 				//document.images["arbtitle"].style.width=screen.width;



	}
}