/***********************************************
* Cool DHTML tooltip script- © 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 ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
if (ie||ns6)

var tipobj=document.getElementById("helpCaixa");

var offsetxpoint=-133;
var offsetypoint=tipobj.style.height+130;

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

function ddrivetip(thetext, thecolor, thewidth){
	if (ns6||ie){
		if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"
		if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor
		
		tipobj.innerHTML=thetext;
		//+'<img src="http://img.catho.com.br/site/vag/imgHelp2.gif" id="imgBoxHelpL" class="imgBox imgBoxHelpL"><img src="http://img.catho.com.br/site/vag/imgHelp1.gif" id="imgBoxHelpR" class="imgBox imgBoxHelpR">'
		
		//offsetypoint=0-tipobj.style.height 
		
		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 rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20
		var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20
		
		var leftedge=(offsetxpoint<0)? offsetxpoint*(-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
			var cordenadaX = ie? ietruebody().scrollLeft+event.clientX-tipobj.offsetWidth : window.pageXOffset+e.clientX-tipobj.offsetWidth
			tipobj.style.left=(cordenadaX - 20)+"px"
			//document.getElementById("imgBoxHelpL").style.visibility="hidden"
			//document.getElementById("imgBoxHelpR").style.visibility="visible"
		} else { 
		//position the horizontal position of the menu where the mouse is positioned
			tipobj.style.left=curX+offsetxpoint+"px"
			//document.getElementById("imgBoxHelpL").style.visibility="visible"
			//document.getElementById("imgBoxHelpR").style.visibility="hidden"
		}
		//same concept with the vertical position
		if (bottomedge<tipobj.offsetHeight) {
			var cordenadaY = ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint
			tipobj.style.top=(cordenadaY - 10) + "px"
		} else {
				//tipobj.style.top=curY+offsetypoint+"px"
			var cordenadaY = ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint
			tipobj.style.top=(cordenadaY - 10) + "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