// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005
// by Stephen Chapman, Felgall Pty Ltd

// permission is granted to use this javascript provided that the below code is not altered
var DH = 0;
var an = 0;
var al = 0;
var ai = 0;

if (document.getElementById) 
{
	ai = 1;
	DH = 1;
}
else 
{
	if (document.all) 
	{
		al = 1; 
		DH = 1;
	} 
	else 
	{ 
		browserVersion = parseInt(navigator.appVersion); 
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4))
		{
			an = 1; 
			DH = 1;
		}
	}
} 

function fd(oi, wS) 
{
	if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi); 
	if (al) return wS ? document.all[oi].style: document.all[oi]; 
	if (an) return document.layers[oi];
}

function pw() 
{
	return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;
}

function mouseX(evt) 
{
	if (evt.pageX)
	{
		return evt.pageX;
	}
	else if (evt.clientX)
	{
		return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); 
	}
	else 
	{
		return null;
	}
}

function mouseY(evt) 
{
	var res = 0;
	
	 if (evt.pageY)
	{				
		res = evt.pageY;		
	}
	else if (evt.clientY)
	{		
		res = evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); 
		
	}
	else 
	{		
		res = null;
	}
	
	return res;
}

function popUp(evt,oi,obj) 
{
	if (DH) 
	{
		var wp = pw(); 
		ds = fd(oi,1); 
		dm = fd(oi,0);
		ob = fd(obj,1);
		
		st = ds.visibility; 
		
		if (dm.offsetWidth) 
		{
			ew = dm.offsetWidth; 
		}
		else if (dm.clip.width)
		{
			ew = dm.clip.width; 
		}
		
		objX=0;
		objY=0;
				
		if(obj)
		{
			objX = findX(ob);
			objY = findY(ob);		
		}
		//alert(objX);
		
		if (st == "visible" || st == "show") 
		{ 
			ds.visibility = "hidden"; 
		} 
		else 
		{						
			tv = mouseY(evt) - parseInt(objY) + 20; 
			lv = mouseX(evt) - parseInt(objX) - (ew/4); 			
			
			if (lv < 2)
			{
				lv = 2;
			}
			else if (lv + ew > wp)
			{
				lv -= ew/2; 
			}
			
			if (!an) 
			{
				lv += 'px';tv += 'px';
			}			
			
			ds.left = lv; 
			ds.top = tv; 
			ds.visibility = "visible";
		}
	}
}
function findX(obj)
{	
	var lf = obj.left;
	lf = lf.substr(0,lf.length-2);
	
	return lf;
}

function findY(obj)
{
	var tp = obj.top;
	tp = tp.substr(0,tp.length-2);
	
	return tp;
}