// JavaScript Document

function checkSearch(form)
{
	var artwork_name = trimString(form.artwork_name.value);
	var user_name = trimString(form.user_name.value);
	var first_name = trimString(form.first_name.value);
	var grade = form.grade.value;
	
	if ((artwork_name == '') && (user_name == '') && (first_name == '') && (grade == ''))
		return false;
	else
		return true;
}