function DigitsOnly() {
  if (window.event.keyCode<48 || window.event.keyCode>57) {
    window.event.keyCode=0;
  }
  return true;
}

function PhoneOnly() {
  var Allowed=new Array(32, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57);
  var flag=0;
  for (i=0; i<Allowed.length; i++) {
    if (window.event.keyCode==Allowed[i]) {
      flag++;
    }
  }
  if (!flag) {
    window.event.keyCode=0;
  }
  return true;
}

function disableEnterKey() {
  if (window.event.keyCode==13) {
    window.event.keyCode=0;
  }
  return true;
}

function CheckEmail(val) {
  //check for the @ sign
  flag=0;
  for (i=0; i<val.length; i++) {
    if (val[i]=='@') {
      flag++;
    }
  }
  if (flag==1) {
    return true;
  }
  return false;
}

function OpenWindowCustom(Url, WindowName, Width, Height) {
  self.open(Url, WindowName, "width=" + Width + ",height=" + Height
   + ",menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no");
}