var timer;
var showed = null;
var showedLi = null;
var showedClass = '';	
	
function changePict(e, src){
	elem = document.getElementById(e);
	if( null != elem ){
		elem.src = src;
	}
}

function hide(){				
	if( null != showed ){
		elem = document.getElementById(showed);
		elem.style.display='none';
		elem = document.getElementById(showedLi);
		elem.className = showedClass + 'Off';	
	}
}

function showSubMenu(e,topmenuitemholder,topmenuitem){
	clearTimeout(timer)
	hide(showed);		
	showed = e;
	showedLi = topmenuitem;
	showedClass = 'menuItem';
	elem = document.getElementById(e);	
	menulnkholder = document.getElementById(topmenuitemholder);
	menulnk = document.getElementById(topmenuitem);
	elem.style.left = (menulnk.offsetLeft - menulnkholder.offsetLeft) + 1 +"px";
	elem.style.display='block';
	menulnk.className = 'menuItemOn';	
}

function setShowed(e){
	showed = e;
}

function setHidden(e){
	timer = setTimeout("hide()", 700);
}