//-------if empty
function check1(){
  f='';nm='';
  if (document.formca.pencarian.value == '') {
		  f='f0';nm='Kata Kunci';document.formca.pencarian.select();
  }

  if(f=='f0') {
     alert('anda belum mengisi kolom \"'+nm+'\"');return (false);
  }
}