var TINY={};

function T$(i){return document.getElementById(i)}
function T$$(e,p){return p.getElementsByTagName(e)}

TINY.dropdown=function(){
	var p={fade:1,slide:1,active:0,timeout:200}, init=function(n,o){
		for(s in o){p[s]=o[s]} p.n=n; this.build()
	};
	init.prototype.build=function(){
		this.h=[]; this.c=[]; this.z=1000;
		var s=T$$('ul',T$(p.id)), l=s.length, i=0; p.speed=p.speed?p.speed*.1:.5;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(p.n+'.show('+i+',1)');
			h.onmouseout=new Function(p.n+'.show('+i+')')
		}
	};
	init.prototype.show=function(x,d){
		var c=this.c[x], h=this.h[x];
		clearInterval(c.t); clearInterval(c.i); c.style.overflow='hidden';
		if(d){
			if(p.active&&h.className.indexOf(p.active)==-1){h.className+=' '+p.active}
			if(p.fade||p.slide){
				c.style.display='block';
				if(!c.m){
					if(p.slide){
						c.style.visibility='hidden'; c.m=c.offsetHeight; c.style.height='0'; c.style.visibility=''
					}else{
						c.m=100; c.style.opacity=0; c.style.filter='alpha(opacity=0)'
					}
					c.v=0
				}
				if(p.slide){
					if(c.m==c.v){
						c.style.overflow='visible'
					}else{
						c.style.zIndex=this.z; this.z++; c.i=setInterval(function(){slide(c,c.m,1)},20)
					}
				}else{
					c.style.zIndex=this.z; this.z++; c.i=setInterval(function(){slide(c,c.m,1)},20)
				}
			}else{
				c.style.zIndex=this.z; c.style.display='block'
			}
		}else{
			c.t=setTimeout(function(){hide(c,p.fade||p.slide?1:0,h,p.active)},p.timeout)
		}
	};
	function hide(c,t,h,s){
		if(s){h.className=h.className.replace(s,'')}
		if(t){c.i=setInterval(function(){slide(c,0,-1)},20)}else{c.style.display='none'}
	}
	function slide(c,t,d){
		if(c.v==t){
			clearInterval(c.i); c.i=0;
			if(d==1){
				if(p.fade){c.style.filter=''; c.style.opacity=1}
				c.style.overflow='visible'
			}
		}else{
			c.v=(t-Math.floor(Math.abs(t-c.v)*p.speed)*d);
			if(p.slide){c.style.height=c.v+'px'}
			if(p.fade){var o=c.v/c.m; c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')'}
		}
	}
	return{init:init}
}();


//** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** Available/ usage terms at http://www.dynamicdrive.com (March 30th, 09')
//** v1.1 (April 7th, 09'):
//** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead.
//** 2) Fixes scroll animation not working in Opera. 


var scrolltotop={
	//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
	//scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).
	setting: {startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},
	controlHTML: '<div class="message">Torna Su</div>', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"
	controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner
	anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links

	state: {isvisible:false, shouldvisible:false},

	scrollup:function(){
		if (!this.cssfixedsupport) //if control is positioned using JavaScript
			this.$control.css({opacity:0}) //hide control immediately after clicking it
		var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)
		if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists
			dest=jQuery('#'+dest).offset().top
		else
			dest=0
		this.$body.animate({scrollTop: dest}, this.setting.scrollduration);
	},

	keepfixed:function(){
		var $window=jQuery(window)
		var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
		var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety
		this.$control.css({left:controlx+'px', top:controly+'px'})
	},

	togglecontrol:function(){
		var scrolltop=jQuery(window).scrollTop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
			this.state.isvisible=true
		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
			this.state.isvisible=false
		}
	},
	
	init:function(){
		jQuery(document).ready(function($){
			var mainobj=scrolltotop
			var iebrws=document.all
			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
			mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')
			mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
				.attr({title:'Scorri la pagina in alto'})
				.click(function(){mainobj.scrollup(); return false})
				.appendTo('body')
			if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text
				mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text
			mainobj.togglecontrol()
			$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
				mainobj.scrollup()
				return false
			})
			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol()
			})
		})
	}
}

scrolltotop.init()
