function isReturn(e){
var characterCode;
 if(e && e.which){
 e = e;
 characterCode = e.which;
 }else{
 characterCode = e.keyCode;
 }

 if(characterCode == 13){
 return true;
 }else{
 return false;
 }
}

function submitSearch(frm) {
	elements = document.getElementsByTagName('input');
 if (elements && elements.length ) {
  for (var i=0; i<elements.length; i++) {
   if (elements[i].getAttribute && elements[i].getAttribute('type') && elements[i].getAttribute('type') ==
  'text' && elements[i].name == 'q' && elements[i].value != '') {
    frm.submit();
    break;
    }
  }
 }
}