css之expression用法

<style>
input{background-color:expression((this.readOnly && this.readOnly==true)?"#f0f0f0":"")}
</style>
<style type="text/css">
tr{ background-color:expression('#F8F8F8,#FFF000'.split(',')[rowIndex%2]);
    star:expression(onmouseover=function(){this.style.backgroundColor="#a09683"},onmouseout=function(){this.style.backgroundColor="";});
}
</style>

<INPUT TYPE="text" NAME="">
<INPUT TYPE="text" NAME="" value="只读属性" readonly>

<table>
<tr><td>asdf</td></tr>
<tr><td>asdf</td></tr>
<tr><td>asdf</td></tr>
<tr><td>asdf</td></tr>
</table>