/* JavaScript Document 
JAVASCRIPT LIBRARY FILE: 
*/
/* add comma to separate dollor values */

function format(input){
var num = input.value.replace(/\,/g,'');
if(!isNaN(num)){
if(num.indexOf('.') > -1){ 
num = num.split('.');
num[0] = num[0].toString().split('').reverse().join('').replace(/(?=\d*\.?)(\d{3})/g,'$1,').split('').reverse().join('').replace(/^[\,]/,'');
if(num[1].length > 2){ 
alert('You may only enter two decimals!');
num[1] = num[1].substring(0,num[1].length-1);
} input.value = num[0]+'.'+num[1]; 
} else{ input.value = num.toString().split('').reverse().join('').replace(/(?=\d*\.?)(\d{3})/g,'$1,').split('').reverse().join('').replace(/^[\,]/,'') };
}
else{ alert('You may enter only numbers in this field!');
input.value = input.value.substring(0,input.value.length-1);
}
}