//if (typeof String.addLeadingChar)

if (typeof Object.size !== "function") {
	var fnSize	= function (obj) { return Object.keys(obj).length; };

	if (typeof Object.keys !== "function") {
		fnSize = function(obj) {
			var size = 0, key;
			for (key in obj) {
				if (obj.hasOwnProperty(key)) size++;
			}
			return size;
		};
	}

	Object.size	= fnSize;
}


if (!String.prototype.pad) {
	String.prototype.pad = function(l, s) {
		return (l -= this.length) > 0
			? (s = new Array(Math.ceil(l / s.length) + 1).join(s)).substr(0, s.length) + this + s.substr(0, l - s.length)
			: this;
	};
}

function songMSTimeFormat(v, record)
{
	return songTimeFormat(v/1000)
}

function songTimeFormat(v, record)
{
	return Math.floor(v / 60).toFixed().pad(2, "0") + ":" + (v % 60).toFixed().pad(2, "0"); 
}