function shownewwindow(Nameurl,Namewin,w,h)
{
window.open(""+Nameurl+"",""+Namewin+"","width="+w+",height="+h+",copyhistory=no,directories=no,menubar=yes,location=no,resizable=no,scrollbars=yes,toolbar=no");
}


function ShowLayer(obj){ 
document.all.item(obj,0).style.visibility = "visible";
}
function HideAllLayers(){ 
  document.all.item("menu2",0).style.visibility = "hidden";
  document.all.item("menu3",0).style.visibility = "hidden";
  document.all.item("menu7",0).style.visibility = "hidden";
  document.all.item("menu8",0).style.visibility = "hidden";
  document.all.item("menu15",0).style.visibility = "hidden";
  document.all.item("menu11",0).style.visibility = "hidden";
 
 }
function HideLayer(obj){ 
document.all.item(obj,0).style.visibility = "hidden";
}