function setCookie(c_name,value,expiredays) {
  if ( value ) {
    var exdate=new Date()
    exdate.setDate(exdate.getDate()+expiredays)
    document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate+";path=/")
    //alert (c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate+";path=/"));
  }
}

function getParameter(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  //alert('Query Variable ' + variable + ' not found');
}

setCookie("forrsrc",getParameter("IQ_ID"),120);