var go=0;
function move_up()
{
	if (go<=0)
	{
		go=20;
		move_up1();
	}
}
function move_down()
{
	if (go>=0)
	{
		go=-20;
		move_down1();
	}
}
function move_up1()
{
	if (go>0)
	{
		obj=document.getElementById('gallery');
		obj.scrollLeft=obj.scrollLeft+go;
		setTimeout("move_up1()",50);
	}
}
function move_down1()
{
	if (go<0)
	{
		obj=document.getElementById('gallery');
		obj.scrollLeft=obj.scrollLeft+go;
		setTimeout("move_down1()",100);
	}
}


function move_stop()
{
	go=0;
}