function searchSubmit(f)
{
  if ( f.q.value.replace(/^\s+|\s+$/g, '') == '' )
    return false;
  else
    f.submit();
}

function change_input_type(oldObject, oType)
{
	var newObject = document.createElement('input');
	newObject.type = oType;

	if(oldObject.size) newObject.size = oldObject.size;
	if(oldObject.value) newObject.value = oldObject.value;
	if(oldObject.name) newObject.name = oldObject.name;
	if(oldObject.maxlength) newObject.maxlength = oldObject.maxlength;
	if(oldObject.id) newObject.id = oldObject.id;
	if(oldObject.className) newObject.className = oldObject.className;	
	oldObject.parentNode.replaceChild(newObject,oldObject);		
	newObject.value='';
	newObject.focus();
	document.getElementById('password').focus();
	return newObject;
}