function showhide(block)
{
	if(document.getElementById(block))
	{
		//alert(document.getElementById(block).style.display);
		if(document.getElementById(block).style.display == "none")
		{		
			document.getElementById(block).style.display = "block";
		}
		else
		{
			document.getElementById(block).style.display = "none";
		}
	}
}



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(id, image)
{
	if(toolTip.arguments.length < 2) // hide
	{
		if(ns4) document.getElementById(id).style.visibility = "hidden";
		else document.getElementById(id).style.display = "none";
	}
	else // show
	{
		
		var content = '<img src="' + image + '" alt="" />';
		/*
		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';
		}
		*/
		document.getElementById(id).innerHTML = content;
		document.getElementById(id).style.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;
	}
	toolTipSTYLE.left = x + offsetX;
	toolTipSTYLE.top = y + offsetY;
	return true;
}