document.current = 0;


function scrollup()
{
	
	/*
var scrollsize = $('notitas').getScrollSize();
	if(document.current + 100 > scrollsize.y)
	{
		var myFx = new Fx.Scroll($('notitas')).start(0, scrollsize.y);
		document.current = scrollsize.y;
	}
	else
	{
*/
		var myFx = new Fx.Scroll($('notitas')).start(0, document.current + 100);
		document.current = document.current + 100;


		if(document.current < 100)
		{
			$('scrollup').setStyle('display','none');
		}
		else
		{
			$('scrollup').setStyle('display','inline');
		}
		
	/* } */

}

function scrolldown()
{
	if(document.current <= 0)
	{
		
	}
	else
	{
	
		var willbe = document.current - 100;
		
		if(willbe >= 0)
		{
			var myFx = new Fx.Scroll($('notitas')).start(0, document.current - 100);
			document.current = document.current - 100;
		}
		
	}
	
	if(document.current >= 100)
	{
		$('scrollup').setStyle('display','inline');
	}
	else
	{
		$('scrollup').setStyle('display','none');
	}
	
	
}

window.addEvent('domready',function(){
	if($('notitas').innerHTML == '')
	{
		$('notitas').setStyle('display','none');
		$('scrollcontrols').setStyle('display','none');
	}
});