function ckform(FormName,FormDo)
{
  if(FormDo == "cknull")
  {
    for(var i = 0;i <= document.forms[FormName].length - 1;i++)
    {
      if(document.forms[FormName].elements[i].alt != "" && document.forms[FormName].elements[i].value == "")
      {
        alert(document.forms[FormName].elements[i].alt);
        return false;
       document.forms[FormName].elements[i].focus();
      }
    }
  }
  if(FormDo == "reset")
  	for(var i = 0;i <= document.forms[FormName].length - 1;i++)
  	{
  		if(document.forms[FormName].elements[i].type == "text")
  		{
  		document.forms[FormName].elements[i].value = "";	
  		}
  	}
}