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$(document).ready(function() { 
	$('form:#search_diem').submit(function() {
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			baoloi("Từ khóa không được để trống.");
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			baoloi("Từ khóa phải từ 3 ký tự trở lên.");
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			return false;
		}
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			baoloi("Từ khóa bị cấm.");
			$('#keyword').focus();
			return false;
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