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// 
// Coded by Travis Beckham
// http://www.squidfingers.com | http://www.podlob.com
// If want to use this code, feel free to do so, but please leave this message intact.
//
// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- version date: 06/13/04 ---------------------------------------------------------

tooltip = {
	name : "tooltip_div",
	offsetX : 10,
	offsetY : -175,
	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);
	if (this.tip) document.onmousemove = function (evt) {tooltip.move (evt)};
	
	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) {
	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) return;
	this.tip.innerHTML = text;
	// Without the next line, Explorer5/Mac has a redraw problem.
	this.tip.style.visibility = "visible";
	this.tip.style.display = "block";
};
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 = "";
};

window.onload = function () {
	tooltip.init ();
}