function alza() {
	var heightChange = new Fx.Style('hpTrends', 'height', {duration:500});
	heightChange.start(204, 620);
	//heightChange.start(204, 405);
	$('espandi').style.display = 'none';
	$('manovella-apri').style.display = 'none';
	$('contrai').style.display = 'block';
	$('manovella-chiudi').style.display = 'block';
}
function abbassa() {
	var heightChange = new Fx.Style('hpTrends', 'height', {duration:500});
	heightChange.start(620, 204);
	//heightChange.start(405, 204);
	$('contrai').style.display = 'none';
	$('manovella-chiudi').style.display = 'none';
	$('espandi').style.display = 'block';
	$('manovella-apri').style.display = 'block';
}
function shareBaloon(a,action){
	var baloon = getNextSibling(a);
	if (action==0) {
		baloon.style.display = 'block';
	} else {
		baloon.style.display = 'none';
	} 
	
}

function hideLinks(linx) {
	for (x = 0; x < linx.length; x++) {
		var toA = linx[x].firstChild;
		var newA = new Element('a', {
				'href': '#',
				'class': toA.className,
				'rel': 'nofollow',					
				'id': toA.id,
				'events': {
					'click': function(event){
						if (event.preventDefault) 
							event.preventDefault();
						event.returnValue = false;
						var to_url = dbsixtyfour(this.id);
						location.href = to_url;
					}
				}
			});		
			newA.innerHTML = toA.innerHTML;
			
			linx[x].empty();
			linx[x].appendChild(newA);
		}
	}

var sugg=0;

function suggeritore(){
	
	if($('pdg')) {
	
	var scrolltop = $(window).getScrollTop();
	var apri_sugg = new Fx.Style('pdg', 'width', {duration:500});
	if (scrolltop>(document.body.scrollHeight/2) && sugg == 0) {
		$('pdg').style.border = '1px solid #EDEDED';
		apri_sugg.start(0, 320);
		sugg=1;
	} 
	if (scrolltop<(document.body.scrollHeight/2) && sugg == 1) {
		apri_sugg.start(320, 0).chain(function(){ $('pdg').style.border = '1px solid #FFF'; });
		sugg=0;
	}	
	}

}

var pdgnum;
function pdgloop() {

	var prev_pdgPanel = document.createElement('div');
	prev_pdgPanel.setAttribute('id','pdgitem'+(pdgnum+1));
	prev_pdgPanel.className = 'pdgitem';
	prev_pdgPanel.innerHTML = $('pdgitem'+(pdgnum)).innerHTML;
	$('pdgslide').insertBefore(prev_pdgPanel,$('pdgslide').firstChild);
	
	var next_pdgPanel = document.createElement('div');
	next_pdgPanel.setAttribute('id','pdgitem'+(pdgnum+2));
	next_pdgPanel.className = 'pdgitem';
	next_pdgPanel.innerHTML = $('pdgitem1').innerHTML;
	$('pdgslide').appendChild(next_pdgPanel);

}

var load_method = (window.ie ? 'load' : 'domready');
window.addEvent(load_method, function(){
	initie9();

	if($('pdg')) { 
		pdgloop(); 

		var pdgslidepos = -300;
		var pdgslidewidth = 300;
		var pdglimit = ((pdgnum+1)*pdgslidewidth)*-1;
		var pdgstart =  -300;
		var pdgend = (pdgnum*pdgslidewidth)*-1;

		var pdgdots = $$('.pdgdot'); 
		pdgdots.addEvent('click',function(event) {
			var marginChange = new Fx.Style('pdgslide', 'marginLeft', {duration:500});
			marginChange.start(pdgslidepos, this.getProperty('name'))
			pdgslidepos = this.getProperty('name');
			event.preventDefault();
		});

		$('pdgprev').addEvent('click',function(event) {
			var marginChange = new Fx.Style('pdgslide', 'marginLeft', {duration:500});
			marginChange.start(pdgslidepos, (pdgslidepos+pdgslidewidth)).chain(function() {
				pdgslidepos=pdgslidepos+pdgslidewidth;
				
				if (parseInt(pdgslidepos)==0) {
					$('pdgslide').setStyle('marginLeft',pdgend);
					pdgslidepos = pdgend;
				}
			});
			event.preventDefault();
		});
		
		$('pdgnext').addEvent('click',function(event) {
			var marginChange = new Fx.Style('pdgslide', 'marginLeft', {duration:500});
			marginChange.start(pdgslidepos, (pdgslidepos+(pdgslidewidth*-1))).chain(function() {
				pdgslidepos=pdgslidepos+(pdgslidewidth*-1);
				
				if (parseInt(pdgslidepos)==pdglimit) {
					$('pdgslide').setStyle('marginLeft',pdgstart);
					pdgslidepos = pdgstart;
				}
			});
			event.preventDefault();
		});	
		
		$('pdgclose').addEvent('click',function(event) {
			$('pdg').style.display = 'none';
	  		event.preventDefault();
		});		
		
		
	}
	
	
	var toHide = $$('.iLLinks');
	hideLinks(toHide);
	
	if((navigator.userAgent.match(/iPhone/i))) {
		if($defined($('btwitt'))) { $('btwitt').style.display = 'block'; }
	}
	if((navigator.userAgent.match(/android/i))) {
		if($defined($('btwitt'))) { $('btwitt').style.display = 'block'; }
	}
	
 	$each($$('.iFB'),function(el) {
    	el.addEvent('click',function(event) {
			window.open(this.href,'FBSharewindow','status=0,toolbar=0,width=650,height=450')
			event.preventDefault();
    	});
  	});	
 	$each($$('.iTW'),function(el) {
    	el.addEvent('click',function(event) {
			window.open(this.href,'TWSharewindow','status=0,toolbar=0,width=650,height=330')
      		event.preventDefault();
    	});
  	});		
	
});


window.addEvent('scroll', function() { suggeritore(); });