function showbig(picname) {
    window.open('/includes/foto.php?pic='+picname,'_blank','scrollbars=yes,taskbar=no,resizeable=no,status=no,menubar=no,top=30,left=30,width=30,height=30');
  }
  
  function PreLoad(source) {
    var NewImage = new Image();
    NewImage.src = source;
  } 
	
  function Menu(action) {
    if(action=='true') {
      document.all("menuDiv").style.display="block"; 
    }
    else {
      setTimeout("CloseMenu()",5000);
    }   
  }
  
  function CloseMenu() {
    document.all("menuDiv").style.display="none"; 
  }