// JavaScript Document
function clearText(id,x_id) {
     document.getElementById(x_id).value=filterNum(document.getElementById(id).value)
     function filterNum(str) {
          re = /\$|,| |\/|#|~|`|\%|\*|\^|\(|\)|\=|\[|\_|\]|\[|\}|\{|\;|\'|\‘|\"|\<|\>|\?|\||\\|\!|\$|\./g;
          return str.replace(re, " ");
     }
}