間隔向上滾動(dòng)

    查看效果:向上滾動(dòng)代碼
    <style>
    div { font-size:12px; }
    </style>
    <div id=mq style=width:100%;height:70px;overflow:hidden onmouseover=iscrollamount=0
    onmouseout=iscrollamount=1>
    向上滾動(dòng)代碼 <br>
    向上滾動(dòng)代碼<br>
    向上滾動(dòng)代碼<br>
    </div>
    <script>
    var omarquee = document.getelementbyid(mq); //滾動(dòng)對(duì)象
    var ilineheight = 42; //單行高度，像素
    var ilinecount = 7; //實(shí)際行數(shù)
    var iscrollamount = 1; //每次滾動(dòng)高度，像素
    function run() {
    omarquee.scrolltop += iscrollamount;
    if ( omarquee.scrolltop == ilinecount * ilineheight )
    omarquee.scrolltop = 0;
    if ( omarquee.scrolltop % ilineheight == 0 ) {
    window.settimeout( run(), 2000 );
    } else {
    window.settimeout( run(), 50 );
    }
    }
    omarquee.innerhtml += omarquee.innerhtml;
    window.settimeout( run(), 2000 );
    </script>