var tm;

function cancelClose(){
    if(tm) {
        clearTimeout(tm);
    }
}

function showMenu(obj) {
	if(typeof object == "undefined")
		{
			parentObj = obj.parentNode;
			workObj = parentObj.childNodes;
			for (i=0;i<workObj.length;i++)
				{
					if(workObj[i].className != undefined)
						if(workObj[i].className.indexOf("submenu")==0)
							{
								object = workObj[i];
								object.style.display = 'block';
								eval("object.style.left='" + (obj.offsetLeft + obj.scrollWidth/2 - 63) + "px'");
								cancelClose();
							}
				}
		}
	else 
		hideMenu();
}

function closeMenu() {
    tm = setTimeout("hideMenu()",1000);
}

//Закрывает открытое меню до этого меню
function hideMenu() {
	if (typeof object != "undefined")
		{
			object.style.display = "none";
			object = undefined;
		}
}