var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;
var ie4 = document.all;
offsetX = 0;
offsetY = 20;
var toolTipSTYLE="";

function initToolTips(){
	if(ns4||ns6||ie4){
		if(ns4){
			toolTipSTYLE = document.toolTipLayer;
		}else{
			if(ns6){
				toolTipSTYLE = document.getElementById("toolTipLayer").style;
			}else{
				if(ie4){
					toolTipSTYLE = document.all.toolTipLayer.style;
				}
				if(ns4){
					document.captureEvents(Event.MOUSEMOVE);
				}else{
					toolTipSTYLE.visibility = "visible";
					toolTipSTYLE.display = "none";
			    }
    			document.onmousemove = moveToMouseLoc;
			}
		}
	}
}

function toolTip(msg, fg, bg){
	if(toolTip.arguments.length < 1){
		if(ns4){
			toolTipSTYLE.visibility = "hidden";
		}else{
			toolTipSTYLE.display = "none";
		}
	}else{
		if(!fg){
			fg = "#777777";
		}
		if(!bg){
			bg = "#FFFFFF";
		}
		var content = '<table border="0" cellspacing="0" cellpadding="1" bgcolor="' + fg + '"><td>' + '<table border="0" cellspacing="0" cellpadding="1" bgcolor="' + bg + '"><td align="center"><font face="sans-serif" color="' + fg + '" size="-2">&nbsp\;' + msg + '&nbsp\;</font></td></table></td></table>';
		if(ns4){
			toolTipSTYLE.document.write(content);
			toolTipSTYLE.document.close();
			toolTipSTYLE.visibility = "visible";
		}
		if(ns6){
			document.getElementById("toolTipLayer").innerHTML = content;
			toolTipSTYLE.display='block';
		}
		if(ie4){
			document.all("toolTipLayer").innerHTML=content;
			toolTipSTYLE.display='block';
		}
	}
}

function moveToMouseLoc(e){
	if(ns4||ns6){
		x = e.pageX;
		y = e.pageY;
	}else{
		x = event.x + document.body.scrollLeft;
		y = event.y + document.body.scrollTop-70;
	}
	toolTipSTYLE.left = x + offsetX;
	toolTipSTYLE.top = y + offsetY;
	return true;
}