function updateGroupMembers(id,groupId,action) {
// forming the queryString var data = 'id='+ id + '&groupId='+ groupId + '&action='+ action;
// if searchString is not empty if(id) {
// ajax call $.ajax({
type: "POST",
url: "div2.php",
data: data,
success: function (html) {
$('#div2').html(html);
$('#div2').fadeIn(2000);
},
});
}
 return false;
}

$('#div1').click(function(){
   $('#div2').html('new content')
});