var offsetxpoint = -60;
var offsetypoint = 20;

var ie = document.all;
var ns6 = (document.getElementById && !document.all);
var enabletip = false;
var showMe = true;

var overall_typ = 'email';
var tipobj;

if(ie||ns6){
	setTipobj();
}

function setTipobj(){
	tipobj = (document.all) ? document.all[overall_typ+"_tooltip"] : ((document.getElementById) ? document.getElementById(overall_typ+"_tooltip") : "");
}

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

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

function positiontip(e){
	if(showMe && 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
			tipobj.style.left = (ie) ? (ietruebody().scrollLeft + event.clientX - tipobj.offsetWidth + "px") : (window.pageXOffset + e.clientX - 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 + offsetxpoint + "px");
		}

		//same concept with the vertical position
		if(bottomedge<tipobj.offsetHeight){
			tipobj.style.top = (ie) ? (ietruebody().scrollTop + event.clientY - tipobj.offsetHeight - offsetypoint + "px") : (window.pageYOffset + e.clientY - tipobj.offsetHeight - offsetypoint + "px");
		} else {
			tipobj.style.top = (curY + offsetypoint + "px");
		}
		
		tipobj.style.visibility = "visible";
	}
}

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

document.onmousemove = positiontip;