function popupWindow(mypage,myname ,w ,h) {
	var win= null;
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	var settings  ='height='+h+',';
	    settings +='width='+w+',';
	    settings +='top='+wint+',';
	    settings +='left='+winl+',';
	    settings +='scrollbars=no,';
	    settings +='resizable=no';
	win = window.open(mypage, myname, settings);
}
/**
 *
 * @access public
 * @return void
 **/
function changeLocation(){
	var title=document.search_form.key.value;
	if (title.length>0) {
		document.search_form.submit();
	} else {
	  var sav = document.search_form.sav.value;
	  var url = document.location.href;
	  url = url.replace(/\?|$/,'?'); // append '?' to url if there is no
	  url = url.replace(/&sav=\d+|$/, '&sav='+sav);
	  document.location.href = url;
	}
  return true;
}

function load(top, left) {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(top, left), 14);
        map.addControl(new GSmallMapControl());

        var point = new GLatLng(top, left);
        map.addOverlay(new GMarker(point));
      }
}