function load_image(imgstr) 
{
    
    var imgs = imgstr.split(";");
    var d = new Date();
    var time = d.getTime();
    var n = 4;
        
    if (n > String(time).length)
        return time;
    else 
    {
        var iLen = String(time).length;
        time = String(time).substring(iLen, iLen - n);
    }
    while (time >= imgs.length+1) 
    {
        time = time / imgs.length;
    }
    time = parseInt(time)-1;
    
    if (imgs[time].length < 4 || imgs[time]== "") 
    {
        time = time - 1;
    }
    //alert(document.getElementById("myktm_header").style.backgroundImage);
    document.getElementById("myktm_header").style.backgroundImage="url(styles/MyKTM/imageset/header/" + imgs[time]+")";
}