function open_page(cat) {
  
  switch (cat)
  {
    case 'album01': 
	{ win = window.open("photosenlarged.asp?cat=album01", "testwin", "height=450, width=500, left=200, top=150, toolbar=0, location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0");
	  win.focus(); 
	  break;
	}
	
	case 'album02': 
	{ win = window.open("photosenlarged.asp?cat=album02", "testwin", "height=450, width=500, left=200, top=150, toolbar=0, location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0");
	  win.focus(); 
	  break;
	}
   	
   }  // switch
  }// open_page