numberPlaceFormat.js

Number.prototype.placeFormat = function( places, limited ) {

	if( !places || places < 2 ) places = 2;

	if( !limited ) limited = true;

	var number = this.toString( );

	if( number.length > places && limited == true ) return number.slice( 0, places - number.length );

	if( number.length < places ) {

		while( number.length != places ) {

			number = "0" + number;

		}

		return number;

	}

	if( number.length == places ) return number;

}