var agt=navigator.userAgent.toLowerCase();
	var is_major = parseInt(navigator.appVersion, 10);
    //var is_minor = parseFloat(navigator.appVersion);
	
	var is_ie  = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	/*
	var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
	*/
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
	//var is_ie6orbelow  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
	
	function getComputedWidth(theElt)
	{
		var tmphght;
	
        if(is_ie){
                tmphght = document.getElementById(theElt).offsetWidth;
        }
        else{
                var docObj = document.getElementById(theElt);
                tmphght = document.defaultView.getComputedStyle(docObj, "").getPropertyValue("width");
                tmphght = tmphght.split('px');
                tmphght = tmphght[0];
        }
        return tmphght;
	}
	
	function showInfoTip(theElt)
	{
		if(!is_ie6)
		{
			document.getElementById(theElt).style.display = 'block';
			document.getElementById(theElt).style.visibility = 'visible';
		
			//alert(getComputedWidth(theElt));
		
			var itemPadding = 60;

			//get width of text
			var itemWidth = getComputedWidth(theElt);
		
			//center balloon over icon
		
		
			var newLeft = Math.round((-1 * ((itemWidth - itemPadding) / 2)));
		
			if (newLeft < -1)
			{
				//document.getElementById(theElt).style.left = Math.round((-1 * ((itemWidth - itemPadding) / 2))) + 'px';
				document.getElementById(theElt).style.left = newLeft + 'px';
			}
		}
	}
	
	function hideInfoTip(theElt)
	{
		/*document.getElementById(theElt).style.display = 'none';*/
		document.getElementById(theElt).style.visibility = 'hidden';
	}
	
	/*function getStyle(el,styleProp)
	{
		var x = document.getElementById(el);
		if (x.currentStyle)
			var y = x.currentStyle[styleProp];
		else if (window.getComputedStyle)
			var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
		return y;
	}*/