// by BannerLac
function iframeurl( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  var currurl = window.location.href;
  var empty = 'empty';
  if( results == null )
    return empty;
  else{
  	results[1] = results[1].replace("%3a",":").replace(/%2f/g,"/").replace("%3f","?").replace(/%3d/g,"=").replace(/%26/g,"&");
    return results[1];}
}