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;
} 


// <![CDATA[

var so = new SWFObject("inc/menu.swf", "menu", "233", "164", "6", "#842f28");
so.addVariable("pag", getURLParam("pag")); 
so.addParam("wmode", "transparent");
so.write("flashcontent");

// ]]>