var tp;

function top()
{
	if (document.body.scrollTop!=0 || document.documentElement.scrollTop!=0){
		window.scrollBy(0,-43);
		tp=setTimeout('top()',10);
	}
	else clearTimeout(tp);
}

function bottom()
{
/*
	var dh=document.body.scrollHeight;
	var ch=document.body.clientHeight;
	if(dh-ch>10){
		window.scrollBy(0,10);
		tp=setTimeout('bottom()',10);
	}
	else
		clearTimeout(tp);
*/
	return true;
}

function popup(mylink, windowname, w, h)
{
	if (! window.focus)return true;
	var href;
	if (typeof(mylink) == 'string')
		href=mylink;
	else
		href=mylink.href;
	window.open(href, windowname, 'width='+w+',height='+h+',scrollbars=yes');
	return false;
}

function select_categ(t)
{
	if(t.value==1)
		document.location = "games.php";
	else
		document.location = "games.php?cat=" + t.value;
}