/***********************************************
* 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=10 //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).

var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
var tipobj;
var pointerobj;

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.style.textAlign="left"
tipobj.innerHTML=thetext
enabletip=true
return false
}
}

function positiontip(e){
//if (!bOnTop) {
//	parent.positiontip(e);
//	return;
//}

if (enabletip){
var nondefaultpos=false

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 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 its width
//AS: Old: tipobj.style.left=curX-tipobj.offsetWidth+"px"
//AS: New: do not move the horizontal pos of the menu to the left by its width

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"
nondefaultpos=true
}
else{
tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"
pointerobj.style.top=curY+offsetfromcursorY+"px"
}
tipobj.style.visibility="visible"
if (!nondefaultpos)
pointerobj.style.visibility="visible"
else
pointerobj.style.visibility="hidden"
}
}


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

function Tip_WriteObj() {

		document.open();
		document.write('<div id="dhtmltooltip" style="z-index: 1;"></div>') //write out tooltip DIV
		document.write('<img id="dhtmlpointer" src="images/tip.gif">') //write out pointer image
		document.close();

		if (ie||ns6)
		{
			tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : ""
			pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : ""
		}

	var old = document.onmousemove;
	document.onmousemove= old ? function(e) { old(e); positiontip(e); } : positiontip;

}

function ShowTip(bShow, txt) {
	if (bShow)
    	ddrivetip(txt);
    else
    	hideddrivetip();
}

function ShowTipEx(bShow, text, showcoord) {

	if (bShow) {
    	if (showcoord) {
           if (text=="block") { MapCoord.GetGridCoord(); return true; }
           text = "<div style=\"text-align:left\">" + MapCoord.GetGridCoord() + text + "</div>";
        }
       	ShowTip(bShow, text);
    }
	return true;
}