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


  var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";

  for (var i = 0; i < document.formname.fieldname.value.length; i++) {
  	if (iChars.indexOf(document.formname.fieldname.value.charAt(i)) != -1) {
  	alert ("Your username has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }