var scrollActive = false;
var scrollstep = 4;

function scrollleftstart()
{
    scrollActive = true;
    scrollleft();
}

function scrollrightstart()
{
    scrollActive = true;
    scrollright();
}

function scrollleft(starting)
{
    if (!scrollActive) { return; }
	top.frames.x--;
    top.frames.x -= scrollstep;

    if (top.frames.x<1) { top.frames.x=1; }
    if (top.frames.x>1940) { top.frames.x=1940; }

    top.frames.GUIDE.scroll(top.frames.x,0);

    if (scrollActive) setTimeout("scrollleft()",5);
}

function scrollright(starting)
{
    if (!scrollActive) { return; }

	top.frames.x++;
    top.frames.x += scrollstep;

    if (top.frames.x<1) { top.frames.x=1; }
    if (top.frames.x>1940) { top.frames.x=1940; }

    top.frames.GUIDE.scroll(top.frames.x,0);

    if (scrollActive) setTimeout("scrollright()",5);
}

function scrollstop()
{
    scrollActive = false;
}