String.prototype.Trim = function(){
    return this.replace(/\s+$|^\s+/g,""); 
}

String.prototype.LTrim = function(){
    return this.replace(/^\s+/,""); 
}

String.prototype.RTrim = function(){
    return this.replace(/\s+$/,""); 
}
  
function Trim(sString){
    if (typeof sString != "string") { 
        return sString; 
    }
    sString = sString.replace(/\s+$|^\s+/g,"");
    
    return sString;
}

function StringToCurrency(num) {
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num)) num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10) cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+
	num.substring(num.length-(4*i+3));
			
	return (((sign)?'':'-') + num + '.' + cents);
}