/***********************************************
* Cool DHTML tooltip script II - Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var offsetfromcursorX = 12; //Customize x offset of tooltip
var offsetfromcursorY = 10; //Customize y offset of tooltip

document.write("<div id='dhtmltooltip'></div>") //write out tooltip DIV
document.write("<img id='dhtmlpointer' src='' />") //write out pointer image. no image, but it and its CSS must exist

var ie = document.all;
var ns6 = document.getElementById && !document.all;
var enabletip = false;
if (ie || ns6) var tipobj = document.all ? document.all["dhtmltooltip"] : document.getElementById ? document.getElementById("dhtmltooltip") : "";

function ietruebody() {
	return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function ddrivetip(thetext, thewidth, thecolor) {
	if (ns6 || ie) {
		if (typeof thewidth != "undefined") tipobj.style.width = thewidth + "px";
		if (typeof thecolor != "undefined" && thecolor != "") tipobj.style.backgroundColor = thecolor;
		tipobj.innerHTML = thetext;
		enabletip = true;
		return false;
	}
}

function positiontip(e){
	if (enabletip) {
		
		var curX = (ns6) ? e.pageX : event.clientX + ietruebody().scrollLeft;
		var curY = (ns6) ? e.pageY : event.clientY + ietruebody().scrollTop;
	
		// Find out how close the mouse is to the corner of the window
		var winwidth = ie && !window.opera ? ietruebody().clientWidth : window.innerWidth - 20;
		var winheight = ie && !window.opera ? ietruebody().clientHeight : window.innerHeight - 20;
	
		var rightedge = ie && ! window.opera ? winwidth - event.clientX - offsetfromcursorX : winwidth - e.clientX - offsetfromcursorX;
		var bottomedge = ie && ! window.opera ? winheight - event.clientY - offsetfromcursorY : winheight - e.clientY - offsetfromcursorY;

		var leftedge = (offsetfromcursorX < 0) ? offsetfromcursorX * (-1) : -1000;

		//if the horizontal distance isn't enough to accomodate the width of the context menu
		if (rightedge < tipobj.offsetWidth) {
			// move the horizontal position of the menu to the left by it's width
			// This is when the arrow is supposed to appear to the right!
			tipobj.style.left = curX - tipobj.offsetWidth + "px";
		}
		else if (curX < leftedge) tipobj.style.left = "5px";
		else {
			//position the horizontal position of the menu where the mouse is positioned
			tipobj.style.left = curX + offsetfromcursorX + "px";
		}

		//same concept with the vertical position
		if (bottomedge < tipobj.offsetHeight) {
			tipobj.style.top = curY - tipobj.offsetHeight - offsetfromcursorY + "px";
		}
		else {
			tipobj.style.top = curY + offsetfromcursorY + "px";
		} 
	
		tipobj.style.visibility = "visible";
		
	}
}

function hideddrivetip() {
	if (ns6 || ie) {
		enabletip = false;
		tipobj.style.visibility = "hidden";
		tipobj.style.left = "-1000px";
		tipobj.style.backgroundColor = '';
		tipobj.style.width = '';
	}
}

document.onmousemove = positiontip;