function trim(input) {
	return input.replace(/^\s+|\s+$/g,"");
}

function ltrim(input){
	return input.replace(/^\s+/,"");
}

function rtrim(input){
	return input.replace(/\s+$/,"");
}

function number_format( number, decimals, dec_point, thousands_sep ) {
	var n = number, prec = decimals;
	var toFixedFix = function (n,prec) {
		var k = Math.pow(10,prec);
		return (Math.round(n*k)/k).toString();
	};
 
	n = !isFinite(+n) ? 0 : +n;
	prec = !isFinite(+prec) ? 0 : Math.abs(prec);
	var sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep;
	var dec = (typeof dec_point === 'undefined') ? '.' : dec_point;
 
	var s = (prec > 0) ? toFixedFix(n, prec) : toFixedFix(Math.round(n), prec); //fix for IE parseFloat(0.55).toFixed(0) = 0;
 
	var abs = toFixedFix(Math.abs(n), prec);
	var _, i;
 
	if (abs >= 1000) {
		_ = abs.split(/\D/);
		i = _[0].length % 3 || 3;
 
		_[0] = s.slice(0,i + (n < 0)) +
			  _[0].slice(i).replace(/(\d{3})/g, sep+'$1');
		s = _.join(dec);
	} else {
		s = s.replace('.', dec);
	}
	if (s.indexOf(dec) === -1 && prec > 1) {
		s += dec+new Array(prec).join(0)+'0';
	}
	return s;
}