function QryString(KeyName)
{
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	var _returner = null;
	for (var i=0; i<parms.length; i++)
	{
		var pos = parms[i].indexOf('=');
		if (pos > 0)
		{
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			if (KeyName.toUpperCase() == key.toUpperCase())
			{
				_returner = val;
				break;
			}

		}
	}
	return _returner;
}

function UpdateMenuCSS()
{
	for(mIdx = 0; mIdx <= 5; mIdx++)
	{
		var objDOM = document.getElementById("mnu" + mIdx);
		if (objDOM)
		{
			var qryVal = QryString("css");
			var cssOn = "off";
			if (mIdx == (qryVal * 1))
			{
				cssOn = "on";
			}
			var UseClass = "nav_" + mIdx + "_" + cssOn;
			//alert("mIdx: " + mIdx +"\nqryVal: " + qryVal +"\nUseClass: " + UseClass);
			objDOM.className = UseClass ;
		}
	}
}