高速铁路动车组制造与维护专业

function scrollupMarqueejsu4js()

{ 
    try
    {
        var scrollup = document.getElementById("scrollupjsu4js");
        var scrollup1 = document.getElementById("scrollup1jsu4js");

//滚动到头继续滚

        if(scrollup.scrollTop + scrollup.clientHeight == scrollup.scrollHeight)
        {
            scrollup.scrollTop-=scrollup1.clientHeight-1; 
        }
        else
        {
            scrollup.scrollTop++;
        }

}

    catch(e)
    {
    }
} 
var scrollupMyMarjsu4js;
function scrollupfunjsu4js()
{
    var speed = 30; 
    var scrollup = document.getElementById("scrollupjsu4js");
    var scrollup1 = document.getElementById("scrollup1jsu4js");
    var scrollup2 = document.getElementById("scrollup2jsu4js");

scrollup2.innerHTML=scrollup1.innerHTML; if(scrollup1.scrollHeight == 0 || scrollup1.scrollHeight < 180)

    {
        scrollup1.style.height="180px";
    }
    else
    {
        scrollup1.style.height=scrollup1.scrollHeight + "px";
    }

if(scrollup2.scrollHeight == 0 || scrollup2.scrollHeight < 180)

    {
        scrollup2.style.height="180px";
    }
    else
    {
        scrollup2.style.height=scrollup2.scrollHeight + "px";
    }

scrollupMyMarjsu4js=setInterval(scrollupMarqueejsu4js,speed);

    scrollup.onmouseover=function() {clearInterval(scrollupMyMarjsu4js)} 
    scrollup.onmouseout=function() {scrollupMyMarjsu4js=setInterval(scrollupMarqueejsu4js,speed)} 
}
window.setTimeout(scrollupfunjsu4js, 0);