Sir I am using your following codes

Code:
function total(objForm) {
   var num1 = objForm.text1.value.replace(',', '');
    var num2 = objForm.text2.value.replace(',', '');
	   objForm.text3.value = Number(num1) + Number(num2);
  }
it show accurate result when there is only once , (comma) in digits but it show Nan (Nothing) there are two commas in textbox.

Please see image

http://i44.tinypic.com/dvn4ic.jpg

Please help