/*
  jQueryÈ®Àå ÇÔ¼ö
  get¹æ½ÄÀÇ querystring°ªÀ» ¹ÝȯÇÑ´Ù.
  var val = jQuery.getQueryString("key", "µðÆúÆ®°ª");
*/
if ( typeof jQuery.getQueryString !== 'function' ) {
	jQuery.extend({
		getQueryString: function( key, default_ ) {
			if (default_==null) default_= "";
			key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
			var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
			var qs = regex.exec(window.location.href);
			if(qs == null)
				return default_;
			else
				return qs[1];
		}
	});
}