var ns4         // Are we using Netscape4?
var ie4         // Are we using Internet Explorer Version 4?
var ie5         // Are we using Internet Explorer Version 5 and up?
var kon         // Are we using KDE Konqueror?
var x, y, winW, winH  // Current help position and main window size
var idiv=null   // Pointer to infodiv container
var px = "px";

function nsfix(){setTimeout("window.onresize = rebrowse", 2000);}

function rebrowse(){window.location.reload();}

function infoinit(){
	ns4=(document.layers)?true:false
	ie4=(document.all)?true:false;
	ie5= (((navigator.userAgent.indexOf('MSIE 5')>0)||(navigator.userAgent.indexOf('MSIE 6')>0)))?true:false;
	 kon=(navigator.userAgent.indexOf('konqueror')>0)?true:false;
	 x=0;y=0;winW=800;winH=600;
	 idiv=null;
	 	
	 if(ns4&&document.captureEvents) document.captureEvents(Event.MOUSEMOVE);
	 // Workaround for just another netscape bug: Fix browser confusion on resize
	 // obviously conqueror has a similar problem :-(
	 if(ns4||kon){ nsfix() }
	 if(ns4) { px=""; }
}
	
function unshowToolTip(){
	if(idiv) idiv.visibility=ns4?"hide":"hidden";
	idiv=null;
	document.onmousemove = null;
	
}

function gettip(name) {
	return (document.layers&&document.layers[name])?document.layers[name]:(document.all&&document.all[name]&&document.all[name].style)?document.all[name].style:document[name]?document[name]:(document.getElementById(name)?document.getElementById(name).style:0);
}

// Prepare tip boxes, but don't show them yet
function maketip(name,title,text){
	document.writeln('<div id="ToolTip" name="ToolTip">' + 
	'<div id="ToolTipTitle">' + title + '</div>' + 
	'<div id="ToolTipText">' + text + '</div>' + 
	'</div>'+"\n");
}

function showToolTip(e, title,text){
	document.onmousemove = mousemove;
	if(e) {
		x=e.pageX?e.pageX:e.clientX?e.clientX:0;
		y=e.pageY?e.pageY:e.clientY?e.clientY:0;
	} else if(event) {
		x=event.clientX;
		y=event.clientY;
	}
 	else {
		x=0;
		y=0;
	}	

	 if((ie4||ie5) && document.documentElement) {
   		x += document.body.scrollLeft;
   		y += document.body.scrollTop;
   		y += viewportGetScrollY();
  	}

 	document.getElementById("ToolTipTitle").innerHTML= title;
 	document.getElementById("ToolTipText").innerHTML= text;

	if(idiv) unshowToolTip();
 
 	idiv=gettip("ToolTip");

	  if(idiv){

	  	 if((ie4||ie5) && document.documentElement) {
	   		winW= document.body.offsetWidth +document.body.scrollLeft - 20;
			winH=document.body.offsetHeight + document.body.scrollTop;
		   	winH=document.body.offsetHeight + viewportGetScrollY();
	   	} else {
		   	winW=window.innerWidth+window.pageXOffset-16;
			winH=window.innerHeight+window.pageYOffset;
		}

		if(x<=0||y<=0){ // konqueror can't get mouse position
    			x=(winW-250)/2+(window.pageXOffset?window.pageXOffset:0);
			y=(winH-50)/2+(window.pageYOffset?window.pageYOffset:0); // middle of window
		}
   		showtip();
  	}
}

function showtip(){
	idiv.left=(((x+260)<winW)?x+0:x-255)+px;
	idiv.top=(((y+90)<winH)?y+20:y-90)+px;
	idiv.visibility=ns4?"show":"visible";
}

function mousemove(e){
	if(e) {
		x=e.pageX?e.pageX:e.clientX?e.clientX:0;
		y=e.pageY?e.pageY:e.clientY?e.clientY:0;
	} else if(event) {
		x=event.clientX;
		y=event.clientY;
	} else {
		x=0;
		y=0;
	}
	
	 if((ie4||ie5) && document.documentElement) {
   		x += document.body.scrollLeft;
   		y += document.body.scrollTop;
   		y += viewportGetScrollY();
  	}
 
	if(idiv) showtip();
}

// Initialize after loading the page
maketip('ToolTip','Title','Text');
//window.onload=infoinit;
infoinit();