function formValidator(){
//Retrieve the field value to each variable
	var name = form1.keyword;


	
// Valid each input is fulfill each condition, if true, pass action,  if false, alert.
	if(isEmpty(name, "½Ð¿é¤J¬ÛÃöµü»y!")) {
		

	} else {
			return true;
	}
	return false;
}

// Check the field is empty or not.
function isEmpty(elem, message){
	if(elem.value.length == 0){
		alert(message);
		return true;
	}

}