var layerRef = ""; 
var styleRef = "";
var isNav = false;
var win=null;

if(navigator.appName == "Netscape")   {   
	isNav = true; 
	layerRef = ".";
	imageRef = "";
	styleRef = "";	}
else  {   
	layerRef = ".all";
	imageRef = ".all";
	styleRef = ".style"; 
}  
function HC_MENU(IDX)  {   
	eval("document" + imageRef + ".txtMenu" + IDX  + styleRef + ".textDecoration='underline'"); 
} 
function UHC_MENU(IDX)  { 
	eval("document" + imageRef + ".txtMenu" + IDX  + styleRef + ".textDecoration='none'"); 
}