function PopupResult()
{
  PopResult=open("","WinResult","width=200,height=200,left=100,top=100,resizable=no");
  document.frmCourrier.target="WinResult";

}

function PopupResultAndCheck()
{
  if (check() == false)
  {
   return false;
  }
  else
  {
   PopResult=open("","WinResult","width=200,height=200,left=100,top=100,resizable=no");
   document.frmCourrier.target="WinResult";
  }
}

function Retour(Adresse)
{
  opener.location.href = Adresse;
  window.close();
}

function RetourEdit(Adresse)
{
  window.close();
}

function check() 
{
  var ext = document.frmCourrier.F2MUploadFile.value;
  ext = ext.substring(ext.length-4,ext.length);
  ext = ext.toLowerCase();
  if((ext == '.jpg') || (ext == 'jpeg') || (document.frmCourrier.F2MUploadFile.value == ''))
  {
    return true; 
  }
  else
  {
    alert('You selected a .'+ext+' file; please select a .jpg file instead!');
    return false; 
  }
}