/*var img_preload = new Array(SITE_PATH+'img/fumetto_feedback.png');
function preloadImage(){
	for(i=0; i<img_preload.length; i++){
		image=new Image; 
		image.src=img_preload[i];
	}
}//preloadImage*/

/*--------HOME--------*/
var effectMoveArray=new Array();
var maxWidthKeywordCloud=270;
var numberKeywordsPerSet=0;
var keywordsStandBy=new Array();
var keywordAjaxRequest=0;

function moveTagCloudKeyword(elt){
	var obj_whole=$('whole');
	var obj_whole_width=obj_whole.offsetWidth;
	var obj_nuvola=$('nuvola');
	var obj_nuvola_width=obj_nuvola.offsetWidth;
	if(obj_whole.getStyle('overflow')=='hidden'){
		//ie
		var left_end=(obj_whole_width-obj_nuvola_width)/2 + obj_nuvola_width;
		var left_start=-(obj_whole_width-obj_nuvola_width)/2-maxWidthKeywordCloud;
		var time=Math.floor(Math.random()*16)+7;
	}else{
		var windowSize=getWindowSize();
		var left_end=(windowSize[0]-obj_nuvola_width)/2 + obj_nuvola.offsetWidth;
		var left_start=-(windowSize[0]-obj_nuvola_width)/2-maxWidthKeywordCloud;
		var time=Math.floor(Math.random()*21)+10;
	}
	var position_top=elt.getStyle('top').replace('px', '');
	effectMoveArray[elt.id] = new Effect.Move(elt, { x: left_end, y: position_top, mode: 'absolute', duration: time, transition: Effect.Transitions.linear, 
		afterFinish: function(effect){
			var elt=effect.element;
			effectMoveArray[elt.id]='';
			if($(elt.id)){
				elt.remove();
				createNewKeyword(left_start);
			}
		}
	});
}//moveTagCloudKeyword

function moveTagCloudKeywords(){
	var objs=$$('.keyword');
	if(objs.length){
		objs.each(function(elt){
			var position_top=Math.round(Math.random()*311)+90;//tra 90 e 400
			if($('whole').getStyle('overflow')=='hidden'){
				//ie
				var left_start=-($('whole').offsetWidth-$('nuvola').offsetWidth)/2-maxWidthKeywordCloud;
			}else{
				var windowSize=getWindowSize();
				var left_start=-(windowSize[0]-$('nuvola').offsetWidth)/2-maxWidthKeywordCloud;
			}
			var left=Math.round(Math.random()*(Math.abs(left_start)+$('nuvola').offsetWidth+1))-Math.abs(left_start);//tra left_start e la fine della nuvola
			elt.setStyle('top:'+position_top+'px; left:'+left+'px;');
			elt.show();
			moveTagCloudKeyword(elt);
		})
	}
}//moveTagCloudKeywords

function setNewKeywords(){
	var data= new Date();
	new Ajax.Request(SITE_PATH+'ajax_tag_cloud.php', 
	{
		method: 'get',
		parameters: { time: data.getTimezoneOffset() },
		onLoading: function(){
			keywordAjaxRequest++;
		},
		onComplete: function(requester){
			keywordAjaxRequest--;
			//metto le keywords in keywordsStandBy
			var new_keywords=requester.responseJSON;
			new_keywords.each(function(elt){
				keywordsStandBy.push(elt);
			});
		}
	});
}//setNewKeywords

function createKeywordString(keyword){
	var keyword_string='<div class="keyword" style="display:none; position:absolute;" id="'+keyword.id+'"><a href="'+SITE_PATH+SITE_LANG+'/search/q='+keyword.word+'" class="'+keyword.classe+'">'+keyword.word+'</a></div>';
	return keyword_string;
}//createKeywordString

function createNewKeyword(left_start){
	if(keywordsStandBy.length){
		var keyword=keywordsStandBy.shift();
		if(keywordsStandBy.length<numberKeywordsPerSet && keywordAjaxRequest<2){
			setNewKeywords();
		}
		if(keyword){//controllo che faccio solo per sicurezza
			$('box_keywords').insert(createKeywordString(keyword));
			var elt=$(keyword.id);
			if(elt){
				var position_top=Math.round(Math.random()*311)+90;//tra 90 e 400
				elt.setStyle('left:'+left_start+'px; top:'+position_top+'px');//metto la nuvola fuori a sinistra
				elt.show();
				if(supersleight){supersleight.limitTo(elt.id); supersleight.run();}
				Event.observe($$('#'+keyword.id+' a')[0], 'focus', removeFocus);
				moveTagCloudKeyword(elt);
			}
		}else{
			setTimeout("createNewKeyword("+left_start+")", 300);
		}
	}else{
		if(keywordAjaxRequest<2){
			setNewKeywords();
		}
		setTimeout("createNewKeyword("+left_start+")", 300);
	}
}//createNewKeyword

function setTagCloud(funzione){
	var data= new Date();
	new Ajax.Request(SITE_PATH+'ajax_tag_cloud.php', {
		method: 'get',
		parameters: { time: data.getTimezoneOffset() },
		onComplete: function(requester){
			var new_keywords=requester.responseJSON;
			if(new_keywords.length){
				for(i=0; i<new_keywords.length; i++){
					$('box_keywords').insert(createKeywordString(new_keywords[i]));
				}
			}
			//devo muovere le nuvole
			moveTagCloudKeywords();
			if(funzione){
				funzione();
			}
			if(supersleight){supersleight.limitTo('box_keywords'); supersleight.run();}
			$$('#box_keywords a').each(function(elt){
				Event.observe(elt, 'focus', removeFocus);
			});
			numberKeywordsPerSet=$$('.keyword').length;
			setNewKeywords();
		}
	});
}//setTagCloud

function resetTagCloud(e){
	Event.stop(e);
	if(Event.element(e).up('a').blur){
		Event.element(e).up('a').blur();
	}
	MPSound.play('sounds/tuono.mp3');
	$('box_keywords').update('');
	effectMoveArray.each(function(ef){
		if(ef){
			ef.cancel();
		}
	});
	effectMoveArray=new Array();
	$('cover_nuvola').show();
	setTagCloud(function(){
		new PeriodicalExecuter(function(pe){
			$('cover_nuvola').hide();
			pe.stop();
		}, 1);
	});
	//setTagCloud();
}//resetTagCloud

function lightning(){
	new Effect.Pulsate('fulmine', { pulses: 2, duration: 1.0, 
		afterFinish: function(){
			window.setTimeout("lightning()", 3000);
		} 
	});
}//lightning


/*--------------------------------*/
/*--------------------------------*/


/*--------SEARCH--------*/
function showPopup(e, name){
	if(e){Event.stop(e);}
	name.overlayShow();
}//showPopup

function hidePopup(e, name){
	if(e){Event.stop(e);}
	name.overlayHide();
}//hidePopup

function showPopupCustom(e, oggetto){
	window.scroll(0,0);
	$$('#nuvola p')[0].hide();
	showPopup(e, oggetto);
	if($('suggest_site_feedback')){$('suggest_site_feedback').update('');}
	if($('suggest_site_form')){$('suggest_site_form').reset();}
	if(supersleight){supersleight.limitTo(oggetto.dialog.down('div').getAttribute('id')); supersleight.run();}
	Event.observe(document, 'keyup', escSuggestSite);
}//showPopupCustom

function hidePopupCustom(e, oggetto){
	hidePopup(e, oggetto);
	$$('#nuvola p')[0].show();
	document.stopObserving('keyup');
}//hidePopupCustom

function suggestSiteSubmit(e){
	Event.stop(e);
	if($F('url')){
		$('suggest_site_invia').hide();
		$('suggest_site_spinner').show();
		new Ajax.Updater('suggest_site_feedback',  SITE_PATH+'ajax_suggest_site.php', {
			method: 'get',
			parameters: $H({ 'url': $F('url'), 'note':$F('note') }).toQueryString(),
			onComplete: function(){
				$('suggest_site_invia').show();
				$('suggest_site_spinner').hide();
			}
		});
	}else{
		if(SITE_LANG=='it'){
			$('suggest_site_feedback').update('Devi inserire l’indirizzo del sito che vuoi segnalare.');
		}else if(SITE_LANG=='en'){
			$('suggest_site_feedback').update('You must enter the website you wish to recommend.');
		}else{
			$('suggest_site_feedback').update('Tu dois choisir l’adresse du site que tu veux suggérer.');
		}
	}
}//suggestSiteSubmit

function moveRedCloud(){
	new Effect.Move('nuvola_rossa', { x: -120, y: 0, mode: 'relative', duration: 5.5,
		afterFinish: function(){
			new Effect.Move('nuvola_rossa', { x: 120, y: 0, mode: 'relative', duration: 5.5,
				afterFinish: function(){
					moveRedCloud();
				}
			});
		}
	});
}//moveRedCloud

function moveYellowCloud(){
	new Effect.Move('nuvola_gialla', { x: 20, y: 0, mode: 'relative', duration: 2.0,
		afterFinish: function(){
			new Effect.Move('nuvola_gialla', { x: -20, y: 0, mode: 'relative', duration: 2.0,
				afterFinish: function(){
					moveYellowCloud();
				}
			});
		}
	});
}//moveYellowCloud

function moveGreenCloud(){
	new Effect.Move('nuvola_verde', { x: 120, y: 0, mode: 'relative', duration: 4.5, 
		afterFinish: function(){
			new Effect.Move('nuvola_verde', { x: -120, y: 0, mode: 'relative', duration: 4.5,
				afterFinish: function(){
					moveGreenCloud();
				}
			});
		}
	});
}//moveGreenCloud

function escSuggestSite(e){	
	if($('popup_suggest_site').up('div').visible()){
		var code = e.keyCode;
		if(code == Event.KEY_ESC){
			hidePopupCustom('', overlay1);
		}
	}
}//escSuggestSite


/*--------------------------------*/
/*--------------------------------*/


function removeFocus(e){	
	if(Event.element(e).blur){
		if(Event.element(e).tagName.toLowerCase()=='img'){
			Event.element(e).up('a').blur();
		}else{
			Event.element(e).blur();
		}
	}
}//removeFocus

function inizio(){
	cerca_rollover();
	//home
	if((BrowserDetect.browser=="Opera") && $('box_keywords')){$$('body')[0].setStyle('overflow:hidden;');}
	if((BrowserDetect.browser=="Explorer") && $('box_keywords')){$('whole').setStyle('overflow:hidden;');}
	if($('fulmine')){
		setTagCloud('');
		lightning();
		Event.observe($('fulmine'), 'click', resetTagCloud);
	}
	//search
	if($('popup_suggest_site') && $('a_suggest_site')){
		var dialog1 = $('popup_suggest_site');
		var overlay1 = new DialogOverlay(dialog1);
		Event.observe($('a_suggest_site'), 'click', showPopupCustom.bindAsEventListener(this, overlay1));
		Event.observe($('popup_suggest_site_close'), 'click', hidePopupCustom.bindAsEventListener(this, overlay1));
		Event.observe($('suggest_site_form'), 'submit', suggestSiteSubmit);
	}
	if($('nuvola_rossa')){ moveRedCloud(); }
	if($('nuvola_gialla')){ moveYellowCloud(); }
	if($('nuvola_verde')){ moveGreenCloud(); }
	//entrambi
	if($$('a').length){
		$$('a').each(function(elt){
			Event.observe(elt, 'focus', removeFocus);
		});
	}
}//inizio

Event.observe(window, 'load', inizio);