function submit_confirm()
{

  var confirmSub = confirm("Are you sure?");
  if (confirmSub) { return true; } else { return false; }

}
function selectAll()
{
	for (var i=0;i<document.MyForm.elements.length;i++)
        {
        	var e = document.MyForm.elements[i];
                if ((e.name != 'log') && (e.type=='checkbox'))
                {
                	e.checked = document.MyForm.log.checked;
                }
        }
}