toolTip = {
	name : "tooltip",
	tip : null,
	offsetX : -5,
	offsetY : -25
};

toolTip.init = function(){
	if(!document.getElementById) return;
	this.tip = document.getElementById(this.name);
	document.onmousemove = function(evt){toolTip.move(evt)};
};

toolTip.move = function(evt){
	if(!this.tip) return;
	var x = 0, y = 0;
	if(document.all){
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
		if(document.documentElement && typeof document.documentElement.scrollLeft != "undefined"){
			x = Math.max(x, document.documentElement.scrollLeft);
			y = Math.max(y, document.documentElement.scrollTop);
		}
		x += window.event.clientX;
		y += window.event.clientY;
	}else{
		x = evt.pageX;
		y = evt.pageY;
	}
	this.tip.style.left = (x+this.offsetX)+"px";
	this.tip.style.top = (y+this.offsetY)+"px";
};

toolTip.show = function(text){
	if(!this.tip) return;
	this.tip.innerHTML = text;
	this.tip.style.visibility = "visible";
	this.tip.style.display = "block";
};

toolTip.hide = function(){
	if(!this.tip) return;
	this.tip.style.visibility = "hidden";
	this.tip.style.display = "none";
	this.tip.innerHTML = "";
}