image_array = new Array('images/rollovers_03.gif', 'images/rollovers_04.gif', 'images/rollovers_05.gif',
      'images/rollovers_06.gif', 'register_button_rollover.gif');



   if (navigator.userAgent.indexOf("AppleWebKit") > -1){
   document.write ("<link rel='stylesheet' href='apple.css'>");
   }
   if ((navigator.userAgent.indexOf("Gecko") > -1) && (navigator.userAgent.indexOf("KHTML") == -1)){
   document.write ("<link rel='stylesheet' href='firefox.css'>");
   }
   if (navigator.userAgent.indexOf("MSIE") > -1){

     var isIE6 = false;
     var reIE = new RegExp("MSIE (\\d+\\.\\d+)");
     reIE.test(navigator.userAgent);
     var version = parseFloat(RegExp["$1"]);

     if (version >= 7.0){
	   document.write ("<link rel='stylesheet' href='ie.css'>");

     } else{
       document.write ("<link rel='stylesheet' href='ie6.css'>");
     }
   }