function showthis(thisD, totalD)
{
    var src0;
    src0 = document.getElementById("show0");
                
    for(var i=1;i<=totalD;i++)
    {
        var currRow = document.getElementById("show" + i);
                
        if(i==thisD)
        {
            currRow.style.display = "block";
        }
        else
        {
            currRow.style.display = "none";
            src0.style.display = "none";
        }
    }
}