图片等比缩放

 css样式

.Pic{border:1px solid #DDD;width:85px;height:85px;text-align:center;vertical-align:middle;}
.Pic img{border:0px;max-width:85px;max-height:85px;width:expression(this.width>85&&this.height<this.width?85:true);height:expression(this.height>85?85:true);margin-top:expression((85-this.height)/2);vertical-align:middle;cursor:pointer;}

<div class="pic"><img src="*.jpg"></div>