function changeType()
{ 
  // grab index number of the selected option
  selInd = document.theForm.typeList.selectedIndex; 
  // get value of the selected option
  goURL = document.theForm.typeList.options[selInd].value;
  // redirect browser to the grabbed value
  this.location.href=goURL; 
}
function changeShow()
{ 
  // grab index number of the selected option
  selInd = document.theForm.showList.selectedIndex; 
  // get value of the selected option
  goURL = document.theForm.showList.options[selInd].value;
  // redirect browser to the grabbed value
  this.location.href=goURL; 
}