document.write("<div id='tooltip'></div>");
var obj_tooltip = $("tooltip");
var delay = 700;
var timeoutID;
var sholudntalive = false;
function tooltip_hide(){
	$("tooltip").style.display = "none";
	changeOpac(0, "tooltip");
	sholudntalive = true;
}
function appear(obj_id){
	if(!sholudntalive){
	$(obj_id).style.display = "block";
	changeOpac(0, "tooltip");
	opacity("tooltip",0,90,300);
	}
}
function tooltip(sender, str){
	t_top = getAbsoluteTop(sender);
	t_left = getAbsoluteLeft(sender)+sender.offsetWidth;
	obj_tooltip.style.top = t_top+"px";	
	obj_tooltip.style.left = t_left+"px";
	obj_tooltip.innerHTML = str;
	window.clearTimeout(timeoutID);
	timeoutID = window.setTimeout('appear("tooltip")', delay);
	sholudntalive = false;
}