// 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, status) {
	var hide_tips = getCookie('hide_tips');
	//alert(hide_tips);
	if(hide_tips == 1) {
	}
	else {
		if (DH) {
			var wp = pw();
			ds = fd(oi,1);
			dm = fd(oi,0);
			if (dm.offsetWidth) ew = dm.offsetWidth;
			else if (dm.clip.width) ew = dm.clip.width;
			if (status=="hide") {
				ds.visibility = "hidden";
			} 
			else {tv = mouseY(evt) + 20; lv = mouseX(evt) - (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";
			}
		}
	}
}