After calling script in textbox keypress event Tab,Delete, Backspace keys are not working in firefox....
This is my script coding..
function ValidateNum(thi, e) {
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;
if (((keycode >= 48) && (keycode <= 57)) || (keycode == 46))
return true;
else return false;}
How i solve this problem?