/* Author: 
   Date: 11-08-2008
   Filename: 
   Description: 
   History: 
*/

function clearText() {
     document.formname.fieldname.value=filterNum(document.formname.fieldname.value)

     function filterNum(str) {
          re = /\$|,|@|#|~|`|\%|\*|\^|\&|\(|\)|\+|\=|\[|\-|\_|\]|\[|\}|\{|\;|\:|\'|\"|\<|\>|\?|\||\\|\!|\$|\./g;
          // remove special characters like "$" and "," etc...
          return str.replace(re, "");
     }
}