<!-- B: Kich ban xu ly huy trang -->
function Left_HuyClick(){
	window.event.returnValue = false;
}
<!-- E: Kich ban xu ly huy trang -->
//Hien thi ngay thang
function changestyleover(element){
	window.onerror = null;
	browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	if (browserVer >= 3) ver = "yes";
	else ver = "no";
	if (ver == "yes"){
		var el = document.getElementById(element);
		el.className = 'Menu_Sub_Chosen';
		el = document.getElementById("L"+element);
		if (el!=null){
			el.className = 'Menu_Sub_Chosen';//'Menu_NotLink_Chosen';
		}
	}
}
function changestyleout(element){
	window.onerror = null;
	browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	if (browserVer >= 3) ver = "yes";
	else ver = "no";
	if (ver == "yes"){
		var el = document.getElementById(element);
		el.className = 'Menu_Sub_Normal';
		el = document.getElementById("L"+element);
		if (el!=null){
			el.className = 'Menu_Sub_Normal';
		}
	}
}

function Menu_Main(var1,var2){
	window.onerror = null;
	browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	if (browserVer >= 3) ver = "yes";
	else ver = "no";
	if (ver == "yes"){
		var el = document.getElementById("Rid_" + var2);
		if (var1==1){	//Truong hop onmouseout
			//e.className = "Menu_Main_Normal";
			el.className = 'Menu_Main_Normal';
			el = document.getElementById("Lid_" + var2);
			if (el!=null){
				el.className = 'Menu_Main_Normal';
			}
		}else{	//Truong hop onmouseover
			el.className = 'Menu_Main_Hover';
			el = document.getElementById("Lid_" + var2);
			if (el!=null){
				el.className = 'Menu_Main_Hover';
			}
		}
	}
}