var i=0;
var timer;

function getElementsByClassName(classname, node)  { 
	if(!node) node = document.getElementsByTagName("body")[0];
	var a = [];    
	var re = new RegExp('\\b' + classname + '\\b');
	var els = node.getElementsByTagName("*");
	for(var i=0,j=els.length; i<j; i++)
	if(re.test(els[i].className))a.push(els[i]);    return a;
}

function start_slideshow() {
var wait = 5000;
timer= setInterval("SlideShow();", wait);  // This is a javascript function which acts as a timer.
}

function SlideShow(notizie) {
	vettore=getElementsByClassName('eventi');
	if (vettore.length>1){
	Effect.SlideUp(vettore[i], { duration:0.5 });
	i++;
	if (i == vettore.length) i = 0;
	Effect.SlideDown(vettore[i], { duration:0.5,  delay:0.7 });
	}
	
	

}

function getPageSize(){
	        
	     var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = window.innerWidth + window.scrollMaxX;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}

		return [pageWidth,pageHeight];
	}

function adattaOverlay(id){
var arrayPageSize = this.getPageSize();
 $(id).setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' });	
	
}

function start() {
   new mq('m1',mqAry1,160);
   mqRotate(mqr); // must come last
}


// Continuous Image Marquee
// copyright 24th July 2008 by Stephen Chapman
// http://javascript.about.com
// permission to use this Javascript on your web page is granted
// provided that all of the code below in this script (including these
// comments) is used without any alteration
var mqr = [];
 function mq(id,ary,wid){
 this.mqo=document.getElementById(id);
  var heit = this.mqo.style.height;
   this.mqo.onmouseout=function() {mqRotate(mqr);};
    this.mqo.onmouseover=function() {clearTimeout(mqr[0].TO);}; this.mqo.ary=[]; var maxw = ary.length; for (var i=0;i<maxw;i++){this.mqo.ary[i]=document.createElement('img'); this.mqo.ary[i].src=ary[i]; this.mqo.ary[i].style.position = 'absolute'; this.mqo.ary[i].style.left = (wid*i)+'px'; this.mqo.ary[i].style.width = wid+'px'; this.mqo.ary[i].style.height = heit; this.mqo.appendChild(this.mqo.ary[i]);} mqr.push(this.mqo);} function mqRotate(mqr){if (!mqr) return; for (var j=mqr.length - 1; j > -1; j--) {maxa = mqr[j].ary.length; for (var i=0;i<maxa;i++){var x = mqr[j].ary[i].style;  x.left=(parseInt(x.left,10)-1)+'px';} var y = mqr[j].ary[0].style; if (parseInt(y.left,10)+parseInt(y.width,10)<0) {var z = mqr[j].ary.shift(); z.style.left = (parseInt(z.style.left) + parseInt(z.style.width)*maxa) + 'px'; mqr[j].ary.push(z);}} mqr[0].TO=setTimeout('mqRotate(mqr)',10);}

