兼容ie6的图片垂直居中
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>1</title>
<style type="text/css">
#imgwrap{
width:300px;
height:400px;
background:#333;
line-height: 400px;
text-align: center;
}
#imgwrap img {vertical-align: middle; display:inline-block;}
#imgwrap span{ display:inline-block;}
</style>
</head>
<body>
<div id="imgwrap">
<img src="http://www.gstatic.com/translate/intl/zh-CN/logo2.png">
<span></span>
</div>
</body>
</html>
