[Javascript] - 자바스크립트 querystring, get

function MKGetParameter( parm ) {

  var url = window.location.href;

  var rtn = "";

  parm  = parm.replace( /[\[\]]/g, "\\$&" );

  var regex = new RegExp( "[?&]" + parm + "(=([^&#]*)|&|#|$)" ),

  var result = regex.exec( url );

  if( result != "" && result[2] != "" ) {

    rtn = decodeURIComponent( results[2].replace(/\+/g, " ") );

  };

  return rtn;

};