function isValidNumber(numbstr) {
  var checkstr = "0123456789";
  var NumTemp = "";

   for (i = 0; i < numbstr.value.length; i++) {
	  if (checkstr.indexOf(numbstr.value.substr(i,1)) >= 0) {
	     NumTemp = NumTemp + numbstr.value.substr(i,1);
	  }
   }

  numbstr.value = NumTemp;
  var matchArray = numbstr.value.match(/^[0-9]+$/);
  if ( matchArray == null ) {
    alert("The entry is not numeric");
    return false;
  } else {
    return true;
  }
}

function openPhotoWindow(whichHtm) {

    window.open(whichHtm, "photo_window", "width=500, height=520, resizable=no scroll=yes");

}


//  End -->