.izl-rmenu{position:fixed; right:0; bottom:0px; background:url(../images/r_b.png) 0px bottom no-repeat; z-index:999; 
_position:absolute;
_bottom:auto;
_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
}
.izl-rmenu .btn{width:72px; height:73px; margin-bottom:1px; cursor:pointer; position:relative;}
.izl-rmenu .btn-qq{background:url(../images/r_qq.png) 0px 0px no-repeat; background-color:#6da9de; display:block;}
.izl-rmenu .btn-qq:hover{background-color:#09C;}
.izl-rmenu .btn-phone{background:url(../images/r_phone.png) 0px 0px no-repeat; background-color:#fbb01f;}
.izl-rmenu .btn-phone:hover{background-color:#ff811b;}
.izl-rmenu .btn-phone .phone{background-color:#ff811b; position:absolute; width:160px; left:-160px; top:0px; line-height:73px; color:#FFF; font-size:18px; text-align:center; display:none;}