function validate_required(field,alerttxt)
{
  with (field)
  {
    if (value==null||value=="")
      {alert(alerttxt);return false}
    else {return true}
  }
}



function validate_form(thisform)
{
with (thisform)
{
if (validate_required(name,"Please specify your name!")==false)
{name.focus();return false}
	

if (validate_required(sub,"Forgot subject!")==false)
      {sub.focus();return false}
    if (validate_required(color,"Forgot massage!")==false)
      {color.focus();return false}
  }
}