function pageScroll() 
{
    	window.scrollBy(0,50); // horizontal and vertical scroll increments
    	scrolldelay = setTimeout('pageScroll()',100); // scrolls every 100 milliseconds
}

function stopScroll() 
{
    	clearTimeout(scrolldelay);
}


function ScrollUp()
{
    	window.scrollBy(0,-50); // horizontal and vertical scroll increments
    	//scrolldelay = setTimeout('pageScroll()',10000); // scrolls every 100 milliseconds
}

function ScrollDown(NomeDiv)
{
    	var div = document.layers ? document.layers[NomeDiv] : document.getElementById;
    	div.scrollBy(0,50); // horizontal and vertical scroll increments
    	//scrolldelay = setTimeout('pageScroll()',10000); // scrolls every 100 milliseconds
}