var banner_1_mouseEvent = 1; 

function banner_roll(div_id, banner_height, banner_delay, banner_speed, this_height)
{ 
    if(eval(div_id + "_mouseEvent"))
    { 
        var div_tag = document.getElementById(div_id); 
        var a_tag, i; 
                
        this_height++; 
                
        if(this_height < banner_height)
        { 
            /*alert(-this_height);*/
                      
            div_tag.style.top = -this_height; 
            /*div_tag.style.top = 0;*/
            setTimeout("banner_roll('" + div_id + "', " + banner_height + ", " + banner_delay + ", " + banner_speed + ", " + this_height + ");", banner_speed); 
        } 
        else
        {
            a_tag = div_tag.getElementsByTagName("DIV");
            if (a_tag[0] != null) {
                div_tag.appendChild(a_tag[0]);
                div_tag.style.top = 0;
                setTimeout("banner_roll('" + div_id + "', " + banner_height + ", " + banner_delay + ", " + banner_speed + ", 0);", banner_delay);
            }
        } 
    } 
    else
    { 
        setTimeout("banner_roll('" + div_id + "', " + banner_height + ", " + banner_delay + ", " + banner_speed + ", " + this_height + ");", banner_speed); 
    } 
            
    return true;
}