/***********************************************
* source page:  http://www.dynamicdrive.com/dynamicindex5/dhtmltooltip2.htm
* 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

var offsetdivfrompointerX=10; //Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY=14; //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>'); //write out tooltip DIV
document.write('<img id="dhtmlpointer" src="../images/arrow2.gif">'); //write out pointer image

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") : "";
}

var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : "";


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

function ddrivetip(thetext, thewidth, thecolor){
	if (thetext =='') {return false;}
	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 nondefaultpos=false
		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
		tipobj.style.left=curX-tipobj.offsetWidth+"px";
		nondefaultpos=true;
	}
	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-offsetdivfrompointerX+"px";
		pointerobj.style.left=curX+offsetfromcursorX+"px";
	}

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

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

document.onmousemove=positiontip;