function json(json) {
	return eval('(' + json + ")");
}

function isIE() {
	return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
}

function unique_requestid() {
	var timestamp = Number(new Date()).toString();
	var random = Math.random() * (Math.random() * 100000 * Math.random() );
	var unique = new String();
	
	unique = timestamp + random;
	return unique;
}