/**
* substring request
*/
function getRequestString() {
  var ret = '';
  var url = window.location.href;
  var idx = url.indexOf('?');
  if (idx > -1) {
    ret = url.substr(idx + 1);
  }
  return ret;
}

/**
* parse request string to object
*/
function getRequestParameters() {
        
  var swfRequestString = getRequestString();    
  var requestTable = swfRequestString.split("&");
      
  var index = requestTable.length;
  
  var params = {}
  
  while (index--) {
    var params = requestTable[index].split("=");
    var paramName = params[0];
    var paramValue = params[1];
    if (paramName != "") {
      params[paramName] = paramValue;
    }
  }
  return params;            
}