var llBack = "#ff5050";
var llContentsBack = "blue";

function showCourse(link, target)
{
    var contentList = document.getElementById("contentsList");
    var links = contentList.getElementsByTagName("li");    
    for (var j = 0; j < links.length; j++)
    {
        links.item(j).style.backgroundColor = llContentsBack;
    }
    var coursesDiv = document.getElementById("courses");
    if (coursesDiv)
    {
        var divs = coursesDiv.getElementsByTagName("div");
        for (var i = 0; i < divs.length; i++)
        {
            var course = divs.item(i);
            if (course.id == target)
            {
                course.style.display = "";
                link.style.backgroundColor = llBack;
            }
            else
            {
                course.style.display = "none";
            }
        }
    }

}

function makeLink (theLink)
{
    var link = document.getElementById(theLink);
    if (link)
    {
        link.href = "mai" + "lto:myanmarlinux" + "lab@gm" + "ail.com";
    }
}