function loadnew() {
	var random_number = Math.floor(Math.random()*100000);
	$.get(
		"/posting.php",
		"random=" + random_number,
		function(data){ $('#middlecol').html(data)},
		"html"
	);
}
function credit_calc(value, tier, destination) {
	var ID = value.id.split("-");
	if(value.value) {
		document.getElementById(destination).value = ( Math.round( (value.value / tier) * 1000 ) / 1000 );
	}
}

function delete_set(id, that) {
	var conf = confirm('Are you sure you want to remove this group? After submitting your page you cannot recover your data. If you change your mind before submitting, reload the page.');
	if(conf) { 
		$('#' + that.parentNode.id).remove();
		$('#tier' + id).remove();
		$('.radio_choice' + id).remove();
	} else {
		return false;
	}
}