function popup(url){
	features = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=490,height=500";
	window.open("/custom/scripts/popup.php?f="+url,"Nuotrauka",features);
}
function body_onload(){
	if (document.getElementById('isearch')){
		document.getElementById('isearch').focus();
	}
}

          function swapPairs(s){
          var res = "";
          for (var i=0; i<s.length; i++){
            var ch = s.charCodeAt(i) ;
            res += String.fromCharCode(
                   ( ch & 0xF0 ) +
                   ((ch & 0x0C)>>2) +
                   ((ch & 0x03)<<2)
                   );
            }
          return res;
        }