<script type="text/javascript">
var system ={
win : false,
mac : false,
xll : false
};
var p = navigator.platform;
// alert(p);
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
//跳转语句
if(system.win||system.mac||system.xll){
//window.location.href="http://www.xxx.com/";
}else{
window.location.href="http://www.xxx.com/default.html";
}
</script>