tooltip = {
	name : "virb_tooltips",
	offsetX : -40,
	offsetY : 20,
	tip : null
};

tooltip.init = function ()
{
	if (!document.getElementById) return;

	// It would be nice to be able to generate the tooltip div, 
	// but when using document.createElement Explorer5/MacOS9, 
	// the tooltip div becomes 100% of the window height.
	// Therefore, we have to use document.getElementById to access
	// a div that is already in the body.
	
	// this.tip = document.createElement ("div");
	// this.tip.setAttribute ("id", this.name);
	// document.body.appendChild (this.tip);
	this.tip = document.getElementById (this.name); 	

	var a;
	var anchors = document.getElementsByTagName ("a");
	for (var i = 0; i < anchors.length; i ++) {
		a = anchors[i];
		if (a.className == "tooltip") {
			a.onmouseover = function () {tooltip.show (this.name)};
			a.onmouseout = function () {tooltip.hide ()};
		}
	}
};

tooltip.move = function (evt)
{
	
	if (!this.tip) return;

	if(this.tip.style.visibility != 'visible' || this.tip.style.display != "block")
	{
    	// Without the next line, Explorer5/Mac has a redraw problem.
    	this.tip.style.visibility = "visible";
        this.tip.style.display = "block";	    
	}



	var x=0, y=0;
	if (document.all) {// Explorer
	
		// Explorer5 contains the documentElement object but it's empty, 
		// so we must check if the scrollLeft property is available.
		
		// If Explorer6 is in Quirks mode, the documentElement properties 
		// will still be defined, but they will contain the number 0.
		
		// If Explorer6 is in Standards compliant mode, the document.body 
		// properties will still be defined, but they will contain the number 0.
		
		x = (document.documentElement && document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
		y = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
		x += window.event.clientX;
		y += window.event.clientY;
		
	} else {// Mozilla
		x = evt.pageX;
		y = evt.pageY;
	}
	// If the style property value is not a string containing the unit measurement,
	// browsers in standard compliant mode will not set the property.
	this.tip.style.left = (x + this.offsetX) + "px";
	this.tip.style.top = (y + this.offsetY) + "px";
};

tooltip.show = function (text)
{
	if (this.tip) 
	{   
        document.onmousemove = function (evt) { tooltip.move(evt) };  
        this.tip.innerHTML = '<div id="virb_tooltips_container"><span>'+text+'</span></div><div id="virb_tooltips_bottom"></div>';
	}
};

tooltip.hide = function ()
{
	if (!this.tip) return;
	// Without the next line, Explorer5/Mac has a redraw problem.
	this.tip.style.visibility = "hidden";
	this.tip.style.display = "none";
	this.tip.innerHTML = "";
	
	document.onmousemove = '';
};

window.onload = function () 
{
	if (document.getElementById('message')) 
	{
        Fat.fade_all();
	}
	
	tooltip.init ();
}
/*dropdowncontent.init("searchlink", "right-bottom", -1, "click")
dropdowncontent.init("searchlink", "right-bottom", -1, "keyup")*/