<style type="text/css">

body {

    height: 2000px;

}

</style>

<script type="text/javascript">

    onload = function ()

    {

        var dh = document.documentElement.scrollHeight || document.body.scrollHeight;

        window.scrollTo (, (dh - screen.availHeight) / );

    }

</script>

<script type="text/javascript">

    <!--

//平台、设备和操作系统

var system ={

win : false,

mac : false,

xll : false

};

//检测平台

var p = navigator.platform;

system.win = p.indexOf("Win") == ;

system.mac = p.indexOf("Mac") == ;

system.x11 = (p == "X11") || (p.indexOf("Linux") == );

//跳转语句

if(system.win||system.mac||system.xll){

      onload = function ()

    {

        window.scrollTo (,);

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}else{

//如若手机则跳转的页面路径

}

-->

</script>