$(function(){
	$('input#keyword').simpleWaterMark('watermark');

	$('form#sform').submit(function(){
		var keyword = $('input#keyword').val();

		if(keyword==''){
			$('input#keyword').focus();
			return false;
		}

		$(this).submit();
	});
});

function finishAjax(id,response){
	$(id).html(unescape(response));
	$(id).show();
}
function isemail(email){
	var re = /^(\w|[^_]\.[^_]|[\-])+(([^_])(\@){1}([^_]))(([a-z]|[\d]|[_]|[\-])+|([^_]\.[^_])*)+\.[a-z]{2,3}$/i;
	return re.test(email);
}