function act1(obj)
{
  if(obj.checked)
   document.jpost.appemail.disabled = false;

  else
   document.jpost.appemail.disabled = true;
}


function act2(obj)
{
  if(obj.checked)
   document.jpost.disp_add.disabled = false;

  else
   document.jpost.disp_add.disabled = true;
}


function chk_field(obj, fldname)
{
  if(obj.value == "")
  {
    alert("You cannot left the " + fldname + " field empty!");
  }
}

function slt_field(obj)
{
  obj.select();
}