function popupImage(url, width, height, scrollbars)
{
  use_scrollbars = (scrollbars == true || scrollbars == 'yes') ? 'yes' : 'no';

  var args = 'toolbar=no,location=no,directories=no,status=no,menubar=no,'
             + 'scrollbars=' + use_scrollbars + ',resizable=yes,copyhistory=no,'
             + 'width=' + width + ',height=' + height
             + ',screenX=50,screenY=50,top=50,left=50';
  var w = window.open(url,'enlarge',args);
  w.focus();
}

function RemoveFormatString(TargetElement, FormatString) {
  if (TargetElement.value == FormatString)
    TargetElement.value = "";
    TargetElement.select();
}


/* ------------------------------------------------
 * Functions to pre-populate and empty input boxes
 * ------------------------------------------------
 */

  function clearInput(field, defaultValue){
  if (field.value == defaultValue) {
     field.value = '';
   }
  } 
  
  function fillInput(field, defaultValue){
   if (field.value == '') {
     field.value = defaultValue;
   }
  }  


/* --------------------------------
 * Functions to run on Page Load
 * --------------------------------
 */

 jQuery(document).ready(function(){
   tt_Init();
 });