Мишка, это?
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<!--
<link rel="stylesheet" type="text/css" href="tmp.css" />
-->
<style type="text/css">
</style>
<script type="text/javascript">
function izm(color) {
$('.text1').text(color);
$('.text2').css('background-color',color);
};
</script>
</head>
<body>
<li onclick="izm('#0f0')" style="background: #f00">ad</li>
<span class='text1'>text1</span>
<span class='text2'>text2</span>
<span class='text2'>text2</span>
<span class='text1'>text1</span>
</body>
</html>