function preload_image(data) {
	if ( data instanceof Array ) {
		$(window).load(function() {
			$.each(data,function(n,f) {
				var _p = new Image();
				_p.src = f;
			});
		});
	}
};

function _redirect(_url, _replace) {
	_replace = _replace || false;
	if ( _replace ) {
		self.location.replace(_url);
		return;
	}
	self.location.href = _url;
};