function frame_Window(url1) {
  var xw = window.screen.availWidth;
  var xh = window.screen.availHeight;
  if (xw > 812) xw = 812;
  if (xh > 752) xh = 752;
  window.open(url1,'_mls','width='+xw+',height='+xh+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=yes');
}
function dialog_Window(url1) {
  var retValue1;
  var xw = window.screen.availWidth;
  var xh = window.screen.availHeight;
  if (xw > 770) xw = 770;
  if (xh > 632) xh = 632;

  var is;
  is = new Is();

  if (is.ie5up) {
    retValue1 = window.showModalDialog(url1,'','dialogHeight:'+xh+'px;dialogWidth:'+xw+'px;center:yes;edge:sunken;help:no;resizable:yes;scroll:yes;status:no');
    if(retValue1 == '0' || retValue1 == undefined) {
      top.window.focus();
    } else {
      url1 = 'index.php?current=listing&lstid=' + retValue1;
      window.location.href = url1;
    }
  } else {
    window.open(url1,'_map','width='+xw+',height='+xh+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=yes');
  }

}