function numberval(valor){
	if(valor.length>0){
		return parseFloat(valor);
	}else{
		return 0;
	}
}

function nformat(number, decimals){
	thousandsSep='.';
	decPoint    =',';

	number = (number + '').replace(/[^0-9+\-Ee.]/g, '')
	var n = !isFinite(+number) ? 0 : +number
	var prec = !isFinite(+decimals) ? 0 : Math.abs(decimals)
	var sep = (typeof thousandsSep === 'undefined') ? ',' : thousandsSep
	var dec = (typeof decPoint === 'undefined') ? '.' : decPoint
	var s = ''
	var toFixedFix = function (n, prec) {
		var k = Math.pow(10, prec)
		return '' + (Math.round(n * k) / k).toFixed(prec)
	}
	// @todo: for IE parseFloat(0.55).toFixed(0) = 0;
	s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.')
	if (s[0].length > 3) {
		s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
	}
	if ((s[1] || '').length < prec) {
		s[1] = s[1] || ''
		s[1] += new Array(prec - s[1].length + 1).join('0')
	}
	return s.join(dec)

}

function snformat(num,n){
	var _nnum = Math.abs(Math.floor(num)-num);
	if(_nnum > 0){
		return nformat(num,n);
	}else{
		return nformat(num,0);
	}
}

function des_nformat(num){
	miles='.';
	centimos=',';
	num = num.split(miles).join('');
	num = parseFloat(num.replace(centimos,'.'));
	if(isNaN(num)) return(0);
	return(num);
}

function moneyformat(num){
	return nformat(num,2);
}

function des_moneyformat(num){
	return des_nformat(num);
}

function roundNumber(rnum,rlength){
	return Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
}

var STR_PAD_LEFT = 1;
var STR_PAD_RIGHT = 2;
var STR_PAD_BOTH = 3;

function pad(str, len, pad, dir) {
	if (typeof(len) == "undefined") { var len = 0; }
	if (typeof(pad) == "undefined") { var pad = ' '; }
	if (typeof(dir) == "undefined") { var dir = STR_PAD_RIGHT; }
	if (len + 1 >= str.length) {
		switch (dir){
			case STR_PAD_LEFT:
				str = Array(len + 1 - str.length).join(pad) + str;
			break;
			case STR_PAD_BOTH:
				var right = Math.ceil((padlen = len - str.length) / 2);
				var left = padlen - right;
				str = Array(left+1).join(pad) + str + Array(right+1).join(pad);
			break;
			default:
				str = str + Array(len + 1 - str.length).join(pad);
			break;
		}
	}
	return str;
}