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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<div id="div1">
<div> </div>
<span>123 </span>
</div>
<div id="div2">
<div> </div>
<span>456 </span>
</div>
<SCRIPT LANGUAGE="JavaScript">
<!--
var obj=document.getElementById("div1");
var obj1=obj.getElementsByTagName("span")[0];
alert(obj1.outerHTML);
obj=document.getElementById("div2");
obj1=obj.getElementsByTagName("span")[0];
alert(obj1.outerHTML);
//-->
</SCRIPT>
</BODY>
</HTML>
var div = document.getElementById("div1");
var spans = div.getElementsByTagName("span");
for (var i = 0, l = spans.length; i < l; i++){
if (spans[i].id == "span1") {
alert("this is my span");
break;
}
}