function WinOpen() {
  var url = document.getElementById('location');
  if(url.value.indexOf("http") != -1){
    window.open(url.value);
  }else{
    document.location.href=url.value;
  }
  return false;
}


function DisableBackButton()
{
window.history.forward();
if(window.history.forward(1) != null)
window.history.forward(1); 
}