var enne=0;

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 timer;
var wait = 5000;
timer = setInterval("SlideShow();", wait);  // This is a javascript function which acts as a timer.
}

function stop_slideshow(){

if(typeof timer != "undefined") {
	clearInterval(timer);
	}
}

function SlideShow(notizie) {
	vettore=getElementsByClassName('notizie');
	if (vettore.length>1){
	Effect.Fade(vettore[enne], { duration:0.2  });
	enne++;
	if (enne == vettore.length) enne = 0;
	Effect.Appear(vettore[enne], { duration:0.2,  delay:0.6 });
	}
}

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 printSelection(node){

  var content=node.innerHTML
  var pwin=window.open('','print_content','width=650,height=668');

  pwin.document.open();
  pwin.document.write('<html><head><link rel="stylesheet" type="text/css" href="css/stylestampa.css"></head><body onload="window.print()"><img src="images/logostampa.jpg" />'+content+'</body></html>');
  pwin.document.close();
 
  setTimeout(function(){pwin.close();},1000);

}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function preload(images) {
    if (document.images) {
        var i = 0;
        var imageArray = new Array();
        imageArray = images.split(',');
        var imageObj = new Image();
        for(i=0; i<=imageArray.length-1; i++) {
            //document.write('<img src="' + imageArray[i] + '" />');// Write to page (uncomment to check images)
            imageObj.src=images[i];
        }
    }
}
