var sebesseg = 30 //minnél alacsonyabb annál gyorsabb

var top =1;
var mozog = 1;

function scrollstop()
{
	mozog = 0;
}

function scrollstart()
{
	mozog = 1;
}

function scroll(){
	var height;
	height = 260;
	height = document.getElementById( 'scrolling' ).scrollHeight;
	height=height/2;
	szelertek = height-(height*2);
	if(top==szelertek){
		top=1;
	}
	document.getElementById('scrolling').style.margin = top + 'px 0 0 0';
	if(mozog == 1){
		top--;
	}
}