<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>