<!--
function Click(){
        //alert('adfadf')
        window.event.returnValue = false;
}

function Click2(){
        // alert(event.keyCode);
        if(event.keyCode==17)
        {

        //alert('欢迎光临！');

        }
}

function Click3(){
          alert('欢迎光临！');
         //timer=setInterval("scrollwindow()",10);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos != document.body.scrollTop)
sc();
}
var currentpos,timer;
document.ondblclick = Click3;
document.oncontextmenu = Click;
document.onmousemove = Click;
document.onkeydown = Click2;
document.onmousedown=sc;
-->