var speed = 1800;
var timer_value = null;
var timer_name = null;
var menu_id = null;
var pos = null;

function show(_name,mm){
document.getElementById(mm).style.background = "url(img/menu_bg_a.gif)";
clearTimeout(timer_value);
if(document.layers){
document.layers[_name].visibility = "show";
} 
else {
	document.getElementById(_name).style.visibility = "visible";
}
 if(timer_name == _name){
 }
 else {
	 
 hide_menu();
 }
}


function hide(_name,mm){
timer_value = setTimeout("hide_menu()", speed);
timer_name = _name;
menu_id = mm;
}

function hide_menu(){
if(timer_name){
	if(document.layers){
		document.layers[timer_name].visibility = "hide";
	}
	else {
		
		document.getElementById(timer_name).style.visibility = "hidden";
		document.getElementById(menu_id).style.background = "url(img/menu_bg.gif)";		
  	}
 }
}

function win_resize(){
	if(document.layers){
	document.location.reload();
	 }
}

window.onresize = win_resize;