/*
	DOMnews 1.0
	homepage: http://www.onlinetools.org/tools/domnews/
	released 11.07.05
*/

/* Variables, go nuts changing those! */
	// initial position
	var dn_startpos=80;
	// end position
	var dn_endpos=-100;
	// Speed of scroller higher number = slower scroller
	var dn_speed=120;
	// ID of the news box
	var dn_newsID='news';
	// class to add when JS is available
	var dn_classAdd='hasJS';
	// Message to stop scroller
	var dn_stopMessage='Stop scroller';
    var dn_startMessage='Start scroller';
	// ID of the generated paragraph
	var dn_paraID='DOMnewsstopper';

	/* Initialise scroller when window loads */
	window.onload=function()
	{
		// check for DOM
		if(!document.getElementById || !document.createTextNode){return;}
		initDOMnews();
		// add more functions as needed
	}
	/* stop scroller when window is closed */
	window.onunload=function()
	{
		clearInterval(dn_interval);
	}

/*
	This is the functional bit, do not press any buttons or flick any switches
	without knowing what you are doing!
*/

	var dn_scrollpos=dn_startpos;
	/* Initialise scroller */
	function initDOMnews()
	{
        var n=document.getElementById('news');
		n.className='';
        // se !null vuol dire che ho cliccato su start, quindi devo eliminare il nodo
        if (n.nextSibling!=null)
		   n.parentNode.removeChild(n.nextSibling);
        n=document.getElementById(dn_newsID);
		if(!n){return;}
		n.className=dn_classAdd;
		dn_interval=setInterval('scrollDOMnews()',dn_speed);
		var newa=document.createElement('a');
        newa.className='testoGray'
		var newp=document.createElement('p');
		newp.setAttribute('id',dn_paraID);
		newa.href='#';
		newa.appendChild(document.createTextNode(dn_stopMessage));
		newa.onclick=stopDOMnews;
		newp.appendChild(newa);
		n.parentNode.insertBefore(newp,n.nextSibling);
		n.onmouseover=function()
		{
			clearInterval(dn_interval);
		}
		n.onmouseout=function()
		{
			dn_interval=setInterval('scrollDOMnews()',dn_speed);
		}
	}

	function stopDOMnews()
	{

        clearInterval(dn_interval);
		var n=document.getElementById('news');
		n.className='';
		n.parentNode.removeChild(n.nextSibling);
        var aStop=document.createElement('a');
		aStop.className='testoGray'
        var pStop=document.createElement('p');
		aStop.href='#';
        var ne=document.getElementById(dn_newsID);
		aStop.appendChild(document.createTextNode(dn_startMessage));
		pStop.appendChild(aStop);
		ne.parentNode.insertBefore(pStop,ne.nextSibling);
        aStop.onclick=initDOMnews


        
		return false;
	}
	function scrollDOMnews()
	{
		var n=document.getElementById(dn_newsID).getElementsByTagName('ul')[0];
        n.style.top=dn_scrollpos+'px';
		 if(dn_scrollpos==dn_endpos){dn_scrollpos=dn_startpos;}
		dn_scrollpos--;
	}