/********************************************************
*														*
* 	Copyright 2009 - GNO								*
* 	Disseny: Laura Morató (moratolaura@telefonica.net)	*
*	Programació: ODW (info@osonadissenyweb.com)			*
*														*
********************************************************/

//Funcions que fan el moviment d'scroll del text del forum
Event.observe(window, 'load', initScroll);

var posIni = 0;
var intval;
var despMax;

function initScroll(){
	dims = $('forum-roll').getDimensions();
	despMax = dims.height;
	intval = setInterval(forumScroll, 50);
}

function forumScroll(velocitat){
	posIni -= 1;
	nouMarge = posIni.toString() + 'px';
	$('forum-roll').style.marginTop = nouMarge;
	
	if (-(posIni) > despMax){
		$('forum-roll').style.marginTop = '295px';
		posIni = 295;
	}
}

function stopScroll(){
	clearInterval(intval);
}

function continueScroll(){
	intval = setInterval(forumScroll, 50, 1);
}