function slide(divname, action, size)
{
	scrtop = $j("div." + divname).css('top');
	scrtop = scrtop.replace('px', '')

	if(action == 'up')
		scrtop = Number(scrtop) - Number(size);	
	else
		scrtop = Number(scrtop) + Number(size);

	$j("div." + divname + ":eq(" + 0 + ")").animate({top: Number(scrtop)},"slow");
}