// Tooltip

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,ci) {
	if (DH) {
		var wp = pw();
		ds = fd(oi,1);
		dm = fd(oi,0);
		cm = fd(ci,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 {

			lv = findPos(cm)[0] + 25;
			tv = findPos(cm)[1] + 20;

			if (!an) {
				lv += 'px';
				tv += 'px';
			}
			
			
			ds.left = lv;
			ds.top = tv;
			ds.visibility = "visible";
		}
	}
}



function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop

		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}