var t;
var last_visible_id = '';
var lastElemId = "";

function hideall(){
	if(last_visible_id != '')
	{
		document.getElementById(last_visible_id).style.visibility = "hidden";
	}
	
	if(lastElemId != '')	
	{
		document.getElementById(lastElemId).className = "menu-top-link";
	}
	
}

function showitem(id, elemId){
	
	if(lastElemId != '' && lastElemId != elemId)	
	{
		document.getElementById(lastElemId).className = "menu-top-link";
	}
	
	if(last_visible_id != '' && last_visible_id != id)
	{
		document.getElementById(last_visible_id).style.visibility = "hidden";
	}
	
	
	document.getElementById(elemId).className = "menu-top-link-hover";
	lastElemId = elemId;
	
	if(elem = document.getElementById(id)){
		last_visible_id = id;
		
		elem.style.visibility = "visible";
		
	}
	
	clearInterval(t);
}//end function

function hideiteminterval(id){
	//alert(id);
	t = setInterval("hideitem('"+id+"')",500);
}//end function

function hideitem(id){
	if(elem = document.getElementById(id)){
		elem.style.visibility = "hidden";
	}
	
	if(lastElemId != '')	
	{
		document.getElementById(lastElemId).className = "menu-top-link";
	}
}//end function