css 给页面元素添加 a:hover 属性兼容ie,ff

.whatever {

background: #808080;

padding: 20px;

}

.whatever:hover, .whateverhover {

background: #eaeaea;

}

</style>

<!-- Additional IE/Win specific style sheet (Conditional Comments) -->

<!--[if lte IE 6]>

<style type="text/css" media="projection, screen">

.whatever {

behavior: expression(

this.onmouseover = new Function("this.className += ' whateverhover';"),

this.onmouseout = new Function("this.className = this.className.replace(' whateverhover', '');"),

this.style.behavior = null

);

}

/*.whatever {

background-color: expression(

!this.js ? (this.js = 1,

this.onmouseover = new Function("this.className += ' whateverhover';"),

this.onmouseout = new Function("this.className = this.className.replace(' whateverhover', '');")

) : false);

);

}*/

/*.whatever {

background-color: expression(

this.onmouseover = new Function("this.className += ' whateverhover';"),

this.onmouseout = new Function("this.className = this.className.replace('whateverhover', '');")

);

}*/

</style>

<![endif]-->