function calculate() {
			var x= $('#price').val();
			x = x.replace(/,/g,"");

			if (isNumeric(x) && x != '') {
				var sixPercent = (x* 0.06);
				var packagePrice = (x * 0.012558);
				if (packagePrice < 1500) { packagePrice = 1500;}
				var savingsPrice = sixPercent - packagePrice;
				if (savingsPrice <0) {savingsPrice=0;}
				$('#price').css('color','#000000')
				$('#savings').html('$'+formatPrice(savingsPrice));
			} else {
				$('#price').css('color','#FF0000');
				$('#savings').html('$'+formatPrice("0.00"));
			}
		}	
		function formatPrice(number) {
//        var nStr = '' + Math.round(parseFloat(number) * 100) / 100;
        var nStr = '' + Math.round(parseInt(number) * 100) / 100;

        var x = nStr.split('.');
        var x1 = x[0];
        var x2 = x.length > 1 ? '.' + x[1] : '.00';
        var rgx = /(\d+)(\d{3})/;
        while (rgx.test(x1)) {
            x1 = x1.replace(rgx, '$1' + ',' + '$2');
        }
        return x1 + x2;
    };
    
    
    function isNumeric(sText)

{
   var ValidChars = "0123456789.";
   var isNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && isNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         isNumber = false;
         }
      }
   return isNumber;
   
   }