function mOver(id1,id2,image,nav,navStyle,navValue){
	if(document.layers){
	//	if(document.layers[id1]){
	//		document.[id1].backgroundImage = "url("+image+")";
	//	}
	//	if(document.layers[id2]){
	//		document.layers[id2].backgroundImage = "url("+image+")";
	//	}
	//	if(document.layers[nav]){
	//		strNav = 'document.layers["'+nav+'"].'+navStyle+' = "'+navValue+'"';
	//		eval(strNav);
	//	}
	} else {
		if(document.getElementById(id1)){
			document.getElementById(id1).style.backgroundImage = "url("+image+")";
		}
		if(document.getElementById(id2)){
			document.getElementById(id2).style.backgroundImage = "url("+image+")";
		}
		if(document.getElementById(nav)){
			strNav = 'document.getElementById("'+nav+'").style.'+navStyle+' = "'+navValue+'"';
			eval(strNav);
		}
	}
}

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) {
		button_background_over = newImage("/images/button-background-over.gif");
		nav_sub_over = newImage("/images/nav_sub_over.gif");
		//btn_home_over = newImage("/images/btn-home-over.gif");
		//btn_company_over = newImage("/images/btn-company-over.gif");
		//btn_investors_over = newImage("/images/btn-investors-over.gif");
		//btn_contactus_over = newImage("/images/btn-contactus-over.gif");
		preloadFlag = true;
	}
}