function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (
aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}


function getURLParam2()
{
	var qs = location.search.substr(location.search.indexOf("?")+1);
	var arr = qs.split("&");
}


function getQueryString(){
  var strReturn = "";
  var strHref = window.location.href;

  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
  }
  return strQueryString;
}

function init() {
	var query = getURLParam('query');
	var oldal = getURLParam('oldal');
	var querystring = getQueryString();

	if ( querystring ) {
		if( oldal ) {
			frames['datamain'].location.href=oldal;
		} else if( query ) {
			frames['datamain'].location.href='kereso.php'+querystring;
		}
	}
}