function zoomWindow(url)
{
window.open(url,"zoom","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=770, height=550, left=10, top=10")
}

function risWindow(url)
{
window.open(url,"ris","toolbar=yes, location=no, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=no, copyhistory=yes, width=770, height=550")
}

function flip(e){
	var menustyle = eval(getStyleObj(e))
		if (menustyle.display=="none"){
			menustyle.display=''
		}
		else{
			menustyle.display="none"
		}
}

function getStyleObj(elem,parent) {
      if (document.layers) {
            if (parent) {
                  return "document."+parent+".document."+elem;
            } else {
                  return "document."+elem + ".style";
            }
      } else if (document.all) {
            return "document.all."+elem + ".style";
      } else if (document.getElementById) {
            return "document.getElementById('"+elem+"').style";
      }
}