/***********************************************
* 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=20; //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="templates/education/img/tip_arrow_right.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 (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.x+ietruebody().scrollLeft;
		var curY=(ns6)?e.pageY : event.y+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";
			pointerobj.style.left=curX+(offsetfromcursorX*1.5)+"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";
			pointerobj.style.top=(curY-offsetfromcursorY-1)+"px";
			nondefaultpos=true;
			pointerobj.src = "templates/education/img/tip_arrow_top.gif";
		}
		else{
			tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px";
			pointerobj.style.top=curY+offsetfromcursorY+"px";
			pointerobj.src = "templates/education/img/tip_arrow_right.gif";
		}
		tipobj.style.visibility="visible";
		/*
		if (!nondefaultpos) {
			//pointerobj.style.visibility="visible";
			pointerobj.src = "templates/education/img/tip_arrow_right.gif";
			pointerobj.style.top=curY+offsetfromcursorY+"px";
			setTimeout("window.status='right';return true;",60);
		} else {
			//pointerobj.style.visibility="hidden";
			pointerobj.src = "templates/education/img/tip_arrow_top.gif";
			pointerobj.style.top=curY-offsetfromcursorY-1+"px";
			setTimeout("window.status='top';return true;",60);
		}
		*/
		pointerobj.style.visibility="visible";
	}
}

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;