if (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion.substring(0,1)) >=3))
      || ((navigator.appName == "Microsoft Internet  Explorer")&&(parseInt(navigator.appVersion.substring(0,1)) >=4)))
      {var version=true}

if (document.layers)
      {ns = 1; ie = 0;}
else  {ns = 0; ie = 1;}

function initm() {if (ns) layer = document.MENU;
                 if (ie) layer = MENU.style;
				 }

 function show(name) {if (ns)
                    {document.layers['' + name].visibility = "show";}
					else
					{document.all['' + name].style.visibility = "visible";}
                    }

function hide(name) {if (ns)
                    {document.layers['' + name].visibility = "hide";}
					else
					{document.all['' + name].style.visibility = "hidden";}
					}