// 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)
	{
		if (evt.pageY) return evt.pageY; 
		else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); 
		else return null;
	}
	
function popUp(evt,oi)
	{
		if (DH)
			{
				var wp = pw(); 
				ds = fd(oi,1); 
				dm = fd(oi,0); 
				st = ds.visibility; 
				if (dm.offsetWidth)
					ew = dm.offsetWidth; 
				else if (dm.clip.width)
					ew = dm.clip.width; 
				if (st == "visible" || st == "show")
					{
						ds.visibility = "hidden";
					} 
				else
					{
						tv = mouseY(evt) + 0; 
						//lv = mouseX(evt) - (ew/14);
						lv = mouseX(evt) + 100;
						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";
					}
			}
	}