function showMenu() { //v1.0

  var i, visStr, args;
  args = showMenu.arguments;

  for (i=0; i<(args.length-1); i+=2) { //with arg triples (objNS,objIE,visStr)

    visStr   = args[i+1];

    if (navigator.appName == 'Netscape') {
      if (document.layers != null) eval("document.layers['"+args[i]+"'].visibility = '"+visStr+"'");
      
    } else { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';

      if (document.all != null) eval("document.all."+args[i]+".style.visibility = '"+visStr+"'");

  } }
}

function hideMenus()	{
	showMenu('sub1','hide','sub2','hide','sub3','hide');
}

function openPhoto(name){
       pagename = "/DSC_" + name +".htm";
       win2 = window.open(pagename,'leftframe','width=700,height=441,scrollbars=no,resizable=no');
       win2.creator=self
       }