让IE6、IE7、IE8支持CSS3的脚本

.box {
-moz-border-radius: 15px; / Firefox /
-webkit-border-radius: 15px; / Safari and Chrome /
border-radius: 15px; / Opera 10.5+, future browsers, and now also Inter Explorer 6+ using IE-CSS3 /
-moz-box-shadow: 10px 10px 20px #000; / Firefox /
-webkit-box-shadow: 10px 10px 20px #000; / Safari and Chrome /
box-shadow: 10px 10px 20px #000; / Opera 10.5+, future browsers and IE6+ using IE-CSS3 /
behavior: url(ie-css3.htc); / This lets IE know to call the script on all elements which get the 'box' class /
}