var offsetxpoint=10 //Customize x offset of tooltip
var offsetypoint=20 //Customize y offset of tooltip
var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
var helpdiv, helpshim;

var currenthelpkey = ""
var currenthelphtml = ""

var xmlhttp=false;


/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false;
}
}
@end @*/

if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
	xmlhttp = new XMLHttpRequest();
	}


function inithelp(formname) {
	if (ie||ns6) helpdiv=document.all? document.all["helpdiv"] : document.getElementById? document.getElementById("helpdiv") : ""
	if (ie||ns6) helpshim=document.all? document.all["helpshim"] : document.getElementById? document.getElementById("helpshim") : ""

	if (document.getElementById && document.createTextNode) {
	var imgs=document.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++) {
		if (imgs[i].className=="help") {
//			imgs[i].onmouseover=function(){help(this.id);return false}
			imgs[i].onmousemove=function(){help(this.id);return false}
			imgs[i].onmouseout=function(){hidehelp();return false}
			}
		}
	}
	form = formname
	
	var x = document.getElementById('content');
	if (!x) return;
	x.onmouseover = function(){hidehelp();return false}

}



// AN IDEA FOR LATER!  WE CAN CHANGE THIS TO CACHE EACH LOOKED UP ENTRY INTO MEMORY, THEN IF THE USER GOES BACK TO A HELP FIELD IN THE SAME DOC/SESSION
// IT'LL GET FROM CACHE AND NOT FROM AN XML LOOKUP!

function help(field) {
	field = field.split("h_")[1]
	key = form + field
	
	if (key != currenthelpkey) {
		surl = "/help?readviewentries&restricttocategory=" + key
		xmlhttp.open("GET", surl);
		xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { showhelp(field) } }
		xmlhttp.send(null);
	} else 	{
		showhelp(field)
	}
}


function showhelp(field) {
	if (ns6||ie){
		mytext=(xmlhttp.responseText.indexOf("<text>")==-1) ? "Sorry ... help for " + field + " not found" : conv2simple(xmlhttp.responseText)
		helpdiv.innerHTML=mytext
		enabletip=true
		currenthelpkey = key
		currenthelphtml = mytext
		return false
	}
}


function hidehelp() {
	if (ns6||ie){
		enabletip=false
		helpdiv.style.visibility="hidden"
		helpdiv.style.left="-1000px"
		helpdiv.style.backgroundColor=''
		helpdiv.style.width=''
		helpshim.style.visibility="hidden"
		helpshim.style.left="-1000px"
	}
}


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


function positiontip(e){
	if (enabletip) {
		var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
		var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;

		var rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20						//Find out how close the mouse is to the corner of the window
		var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20

		var leftedge=(offsetxpoint<0)? offsetxpoint*(-1) : -1000

		if (rightedge<helpdiv.offsetWidth)																																				//if the horizontal distance isn't enough to accomodate the width of the context menu
			helpdiv.style.left=ie? ietruebody().scrollLeft+event.clientX-helpdiv.offsetWidth+"px" : window.pageXOffset+e.clientX-helpdiv.offsetWidth+"px"	//move the horizontal position of the menu to the left by it's width
		else if (curX<leftedge)
			helpdiv.style.left="5px"
		else
			helpdiv.style.left=curX+offsetxpoint+"px"																																	//position the horizontal position of the menu where the mouse is positioned
	
		//same concept with the vertical position
		if (bottomedge<helpdiv.offsetHeight)
			helpdiv.style.top=ie? ietruebody().scrollTop+event.clientY-helpdiv.offsetHeight-offsetypoint+"px" : window.pageYOffset+e.clientY-helpdiv.offsetHeight-offsetypoint+"px"
		else
			helpdiv.style.top=curY+offsetypoint+"px"

		helpshim.style.left = helpdiv.style.left
		helpshim.style.top = helpdiv.style.top
		helpshim.style.height = helpdiv.offsetHeight

		helpshim.style.visibility="visible"
		helpdiv.style.visibility="visible"
		}
		
}


document.onmousemove=positiontip