<html>
<head>
<style type="text/css">
.rule1 { font-family:Times New Roman; font-size:18pt; color:blue; }
</style>
<style type="text/css">
.rule2 { font-family:Verdana; color:red; }
</style>
</head>
<body>
<button onclick="function1();">Get total style sheets in this document.</button>
<script language="JavaScript">
function function1() {
var m = document.styleSheets.length;
alert(m);
}
</script>
</body>
</html>
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