<div id = "myDiv">
<div id = "child1" class = "child">Child 1</div>
<div id = "child2" class = "child">Child 2</div>
</div>
<script type="text/javascript">
    $("#myDiv").live("click", function () {
       
        //Get children based on child tag name
        var children = $("div", this);
 
        //Get children based on child class name
        children = $(".child", this);
 
        //Get child1 based on its Id
        var child1 = $("#child1", this);
 
        //Get child2 based on its Id
        var child2 = $("#child2", this);
    });
</script>