// JavaScript Document


/***********************************************
* 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 offsetxpoint = (is_msie) ? 16 : 8; //Customize x offset of tooltip
var offsetypoint = -26; //Customize y offset of tooltip
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 tipobj = (is_msie) ? document.getElementById('dhtmltooltip_msie') : document.getElementById('dhtmltooltip');

var contentobj = (is_msie) ? document.getElementById('dhtmltooltip_msie') : document.getElementById('tooltip_content');*/

var tipobj = document.getElementById('dhtmltooltip');

var contentobj = document.getElementById('tooltip_content');

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

function ddrivetip(thetext){
	if (!is_msie) {
		fadein_tip();
	}
	if (ns6 || ie) {
	thetext += '<br /><span class="tooltip_clickto">click number to view in list of publications</span>';
	contentobj.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 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+16)+"px" : window.pageXOffset+e.clientX-(tipobj.offsetWidth+8)+"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(){
fadeout_tip();
/*if (ns6||ie){
enabletip=false
tipobj.style.visibility="hidden"
tipobj.style.left="-1000px"
tipobj.style.backgroundColor=''
tipobj.style.width=''
}*/
}




var timer;
var fadeamt = 0;



function fadein_tip() {
	clearTimeout(timer);
	if(fadeamt<10) {
	fadeamt++;
	tipobj.style.filter = "alpha(opacity=("+fadeamt*10+"))";
	//tipobj.style.-moz-opacity = fadeamt/10;
	tipobj.style.opacity = fadeamt/10;
	timer = setTimeout("fadein_tip()",15);
	} else { clearTimeout(timer);}
}

function fadeout_tip() {
	if (!is_msie) {

	clearTimeout(timer);
		if (fadeamt>0) {
		fadeamt--;
		tipobj.style.filter = "alpha(opacity=("+fadeamt*10+"))";
		//tipobj.style.-moz-opacity = fadeamt/10;
		tipobj.style.opacity = fadeamt/10;
		timer = setTimeout("fadeout_tip()",20);
		}
		if (fadeamt==0) {
			if (ns6||ie){
			tipobj.style.visibility="hidden";
			enabletip=false
			tipobj.style.left="-1000px"
			tipobj.style.backgroundColor=''
			tipobj.style.width=''
			}
		}

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

}




document.onmousemove=positiontip