function rechargeCredits()
{
	var opts = {
			url: "./",
			data: {ajxreq:1, action: 'rechargeCredits'},
			async:true,
			complete: function(req) {
				if(req.status == 200) {
					if(req.responseText.length > 0) {
						$('#purchase_msg').empty();
						if (req.responseText == 0) {
							var code = 400;
						}else{
							var code = parseInt(req.responseText);
						}
						$('#purchase_msg').html(error_msg[code]);
						return false;
					}
				}
			}
		};
	$.ajax(opts);
	return false;
}