Autosubmit Cognos prompt page using java script

Take HTML to prompt page and paste the following code

<script type="text/javascript">

//get the form request
var fW = (typeof getFormWarpRequest == "function" ? getFormWarpRequest() : document.forms["formWarpRequest"]);

if (fW)
{
  // if the report is running from reportStudio or the Portal objects are different
  if (fW.elements["cv.id"].value == "RS")
  {
     setTimeout('oCVRS.promptAction(\'next\')', 1000);
  }else{
    setTimeout('oCV_NS_.promptAction(\'next\')', 1000);
  }
}
</script>