function go_url(url)
{
	document.location.href = url;
}

if (parseInt(navigator.appVersion)>= 4)

{

if (navigator.appName == "Netscape")

{

layerStyleRef="layer.";

layerRef="document.layers";

styleSwitch="";

}

else

{

layerStyleRef="layer.style.";

layerRef="document.all";

styleSwitch=".style";

}

}

function showtooltip(layerName)

{

if (parseInt(navigator.appVersion)>= 4)

{

eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');

}

}

function cls(layerName){

if (parseInt(navigator.appVersion)>= 4)

{

eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');

}

}