/*
 * JQZoom Evolution 1.0.1 - Javascript Image magnifier
 *
 * Copyright (c) Engineer Renzi Marco(www.mind-projects.it)
 *
 * $Date: 12-12-2008
 *
 *  ChangeLog:
 *  
 * $License : GPL,so any change to the code you should copy and paste this section,and would be nice to report this to me(renzi.mrc@gmail.com).
 *
 * $Custom: nestrobe
 */
// ***** debugメソッド *****
// $("#dump").html(dump(obj));
(function($)
{
	
	$.fn.jqzoom = function(options)
	{
		var settings = {
			/* nestrobe Custom Parameter */
			cursorWidth: false,
			cursorHeight: false,
			infoLayers: [],
			
			zoomType: 'standard', //standard/reverse/innerzoom
			zoomWidth: 200, //zoomed width default width
			zoomHeight: 200, //zoomed div default width
			xOffset: 10, //zoomed div default offset
			yOffset: 0,
			position: "right" ,//zoomed div default position,offset position is to the right of the image
			lens:true, //zooming lens over the image,by default is 1;
			lensReset : false,
			imageOpacity: 0.2,
			title : true,
			alwaysOn: false,
			showEffect: 'show',
			hideEffect: 'hide',
			fadeinSpeed: 'fast',
			fadeoutSpeed: 'slow',
			preloadImages :true,
			showPreload: true,
			preloadText : 'Loading zoom',
			preloadPosition : 'center',   //bycss
			
			// ネストローブカスタム
			stageAppendObject: 'body' // 拡大イメージを挿入するオブジェクト
		};
		
		//extending options
		options = options || {};
		$.extend(settings, options);
		
		//main function
		return this.each(function()
		{
			var a = $(this);
			var aTitle = a.attr('title'); //variabile per memorizzare il titolo href
			$(a).removeAttr('title');
			$(a).css('outline-style','none');
			
			var img = $("img", this);
			var imageTitle = img.attr('title');
			img.removeAttr('title');    //variabile per memorizzare il titolo immagine
			
			var smallimage = new Smallimage( img );
			var smallimagedata = {};
			
			//imageborder
			var btop = 0;
			var bleft = 0;
			var loader = null;     //variabile per memorizzare oggetto loader
			loader = new Loader();
			
			var ZoomTitle = (trim(aTitle).length > 0) ? aTitle : (trim(imageTitle).length > 0) ? imageTitle : null;  //setting zoomtitle
			var ZoomTitleObj = new zoomTitle();
			
			var largeimage = new Largeimage( a[0].href );
			
			var lens = new Lens();
			var lensdata = {};
			//lensborder
			
			var largeimageloaded = false;
			var scale = {}; //rapporto tra immagine grande e piccola scale.x/scale.y
			var stage = null; // quadrato che mostra l'immagine ingrandita
			var running = false; // running = true quando si verifica l'evento che mostra lo zoom(adesso mouseover).
			var mousepos = {};
			var firstime = 0;
			var preloadshow = false;
			var isMouseDown = false;
			var dragstatus = false;
			
			//loading smallimagedata
			smallimage.loadimage();
			
			//ritorna false al click dell href
			$(this).click(function(){return false;});
			
			//se settato alwaysOn attivo lo Zoom e lo mostro.
			
			//attivo al mouseover
			$(this).hover(function(e)
			{
				mousepos.x = e.pageX;
				mousepos.y  = e.pageY;
				activate();
			}, function()
			{
				deactivate();
			});
			
			//ALWAYS ON
			if(settings.alwaysOn)
			{
				setTimeout(function(){activate();},150);
			}
			
			function activate()
			{
				if ( !running ) {
					
					//finding border
					smallimage.findborder();
					
					running = true;
					
					//rimuovo il titolo al mouseover
					imageTitle = img.attr('title');
					img.removeAttr('title');
					aTitle = a.attr('title');
					$(a).removeAttr('title');
					
					//se non c・creo l'oggetto largeimage
					if (!largeimage || $.browser.safari) {
						largeimage = new Largeimage( a[0].href );
					}
					
					//se l'immagine grande non ・stata caricata la carico
					if(!largeimageloaded || $.browser.safari)
					{
						largeimage.loadimage();
					}else
					{
						//after preload
						if(settings.zoomType != 'innerzoom')
						{
							stage = new Stage();
							stage.activate();
						}
						lens = new Lens;
						lens.activate();
					}
					
					a[0].blur();
					
					return false;
				}
			}
			
			function deactivate()
			{
				if(settings.zoomType == 'reverse' &&  !settings.alwaysOn)
				{
					img.css({'opacity' : 1});
				}
				
				if(!settings.alwaysOn)
				{
					//resetting parameters
					running = false;
					largeimageloaded = false;
					$(lens.node).unbind('mousemove');
					lens.remove();
					if($('div.jqZoomWindow').length >0)
					{
						stage.remove();
					}
					if($('div.jqZoomTitle').length > 0)
					{
						ZoomTitleObj.remove();
					}
					
					//resetting title
					img.attr('title',imageTitle);
					a.attr('title',aTitle);
					$().unbind();
					
					a.unbind('mousemove');
					//resetto il parametro che mi dice che ・la prima volta che mostor lo zoom
					firstime = 0;
					//remove ieiframe
					if(jQuery('.zoom_ieframe').length > 0)
					{
						jQuery('.zoom_ieframe').remove();
					}
				}else
				{
					if(settings.lensReset)
					{
						switch(settings.zoomType)
						{
							case 'innerzoom':
								largeimage.setcenter();
								break;
							default:
								lens.center();
								break;
						}
					}
				}
				
				//non so se serve da provare
				if(settings.alwaysOn)
				{
					activate();
				}
			};
			
			//smallimage
			function Smallimage( image )
			{
				this.node = image[0];
				
				this.loadimage = function() {
					this.node.src = image[0].src;
				};
				this.findborder = function()
				{
					var bordertop = '';
					bordertop = $(img).css('border-top-width');
					btop = '';
					var borderleft = '';
					borderleft = $(img).css('border-left-width');
					bleft = '';
					
					if(bordertop)
					{
						for(i=0;i<3;i++)
						{
							var x = [];
							x = bordertop.substr(i,1);
							
							if(isNaN(x) == false)
							{
								btop = btop +''+ bordertop.substr(i,1);
							}else
							{
								break;
							}
						}
					}
					
					if(borderleft)
					{
						for(i=0;i<3;i++)
						{
							if(!isNaN(borderleft.substr(i,1)))
							{
								bleft = bleft + borderleft.substr(i,1)
							}else
							{
								break;
							}
						}
					}
					btop = (btop.length > 0) ? eval(btop) : 0;
					bleft = (bleft.length > 0) ? eval(bleft) : 0;
				}
				this.node.onload = function()
				{
					//setto il cursor e la posizione dell'href
					
					a.css({'cursor':'crosshair','display':'block'});
					
					if(a.css('position')!= 'absolute' && a.parent().css('position'))
					{
						a.css({'cursor':'crosshair','position':'relative','display':'block'});
					}
					if(a.parent().css('position') != 'absolute')
					{
						a.parent().css('position','relative');
						//a.css('position','relative');
					}
					else{
						//a.css('position','relative');
					}
					if($.browser.safari || $.browser.opera)
					{
						$(img).css({position:'absolute',top:'0px',left:'0px'});
					}
					
					//al docuemnt ready viene caricato l'src quindi viene azionato l'onload e carico tutti i dati
					smallimagedata.w = $( this ).width();
					smallimagedata.h = $( this ).height();
					
					//non viene fatta assegnazione alla variabile globale
					smallimagedata.h = $( this ).height();
					smallimagedata.pos = $( this ).offset();
					smallimagedata.pos.l = $( this ).offset().left;
					smallimagedata.pos.t = $( this ).offset().top;
					smallimagedata.pos.r = smallimagedata.w + smallimagedata.pos.l;
					smallimagedata.pos.b = smallimagedata.h + smallimagedata.pos.t;
					
					//per sicurezza setto l'altezza e la width dell'href
					a.height(smallimagedata.h);
					a.width(smallimagedata.w);
					
					//PRELOAD IMAGES
					if(settings.preloadImages)
					{
						largeimage.loadimage();
					}
				};
				return this;
			};
			
			//Lens
			function Lens()
			{
				//creating element and adding class
				this.node = document.createElement("div");
				$(this.node).addClass('jqZoomPup');
				
				this.node.onerror = function() {
					$( lens.node ).remove();
					lens = new Lens();
					lens.activate() ;
				};
				
				//funzione privata per il caricamento dello zoom
				this.loadlens = function()
				{
					switch(settings.zoomType)
					{
						case 'reverse':
							this.image = new Image();
							this.image.src = smallimage.node.src; // fires off async
							this.node.appendChild( this.image );
							$( this.node ).css({'opacity' : 1});
							break;
						case 'innerzoom':
							this.image = new Image();
							this.image.src = largeimage.node.src; // fires off async
							this.node.appendChild( this.image );
							$( this.node ).css({'opacity' : 1});
							break
						default:
							break;
					}
					
					switch(settings.zoomType)
					{
						case 'innerzoom':
							lensdata.w = smallimagedata.w;
							lensdata.h = smallimagedata.h;
							break;
						default:
							lensdata.w = (settings.zoomWidth)/scale.x;
							lensdata.h = (settings.zoomHeight)/scale.y;
							break;
					}
					
					/* nestrobe Custom */
					lensdata.w = (settings.cursorWidth) ? settings.cursorWidth : lensdata.w;
					lensdata.h = (settings.cursorHeight) ? settings.cursorHeight : lensdata.h;
					
					$( this.node ).css({
						width: lensdata.w + 'px',
						height: lensdata.h + 'px',
						position: 'absolute',
						/*cursor: 'crosshair',*/
						display: 'none',
						/*border: '1px solid blue',*/
						border: '1px solid #51504e',
						borderWidth: 1+'px'
					});
					a.append(this.node);
				
				}
				
				return this;
			};
			
			Lens.prototype.activate = function()
			{
				//carico la lente
				this.loadlens();
				
				switch(settings.zoomType)
				{
					case 'reverse':
						img.css({'opacity' : settings.imageOpacity});
						(settings.alwaysOn) ? lens.center() : lens.setposition(null);
						//lens.center();
						//bindo ad a il mousemove della lente
						a.bind( 'mousemove', function(e)
						{
							mousepos.x = e.pageX;
							mousepos.y = e.pageY;
							lens.setposition( e );
						});
						break;
					case 'innerzoom':
						$( this.node ).css({top : 0 ,left: 0});
						if(settings.title)
						{
							ZoomTitleObj.loadtitle();
						}
						largeimage.setcenter();
						a.bind( 'mousemove', function(e)
						{
							mousepos.x = e.pageX;
							mousepos.y = e.pageY;
							largeimage.setinner( e );
						});
						break;
					default:
						(settings.alwaysOn) ? lens.center() : lens.setposition(null);
						$(a).bind( 'mousemove', function(e)
						{
							mousepos.x = e.pageX;
							mousepos.y = e.pageY;
							lens.setposition( e );
						});
						
						// 追加レイヤーのイベント設定
						for (var i in settings.infoLayers){
							var layer = settings.infoLayers[i];
							
							$(layer).bind( 'mousemove', function(e)
							{
								mousepos.x = e.pageX;
								mousepos.y = e.pageY;
								lens.setposition( e );
							});
						}
						break;
				}
				return this;
			};
			
			Lens.prototype.setposition = function(e)
			{
				if(e)
				{
					mousepos.x = e.pageX;
					mousepos.y  = e.pageY;
				}
				
				if(firstime == 0)
				{
					var lensleft = (smallimagedata.w)/2 - (lensdata.w)/2 ;
					var lenstop = (smallimagedata.h)/2 - (lensdata.h)/2 ;
					//ADDED
					$('div.jqZoomPup').show()
					if(settings.lens)
					{
						this.node.style.visibility = 'visible';
					}
					else
					{
						this.node.style.visibility = 'hidden';
						$('div.jqZoomPup').hide();
					}
					//ADDED
					firstime = 1;
				}else
				{
					var lensleft = mousepos.x - smallimagedata.pos.l - (lensdata.w)/2 ;
					var lenstop = mousepos.y - smallimagedata.pos.t -(lensdata.h)/2 ;
				}
				//a sinistra
				if(overleft())
				{
					lensleft = 0  + bleft;
				}
				
				//a destra
				if(overright())
				{
					if($.browser.msie)
					{
						lensleft = smallimagedata.w - lensdata.w  + bleft + 1  ;
					}else
					{
						lensleft = smallimagedata.w - lensdata.w  + bleft - 1  ;
					}
				}
				
				//in alto
				if(overtop())
				{
					lenstop = 0 + btop ;
				}
					
				//sotto
				if(overbottom())
				{
					if($.browser.msie)
					{
						lenstop = smallimagedata.h - lensdata.h  + btop + 1 ;
					}else
					{
						lenstop = smallimagedata.h - lensdata.h - 1 + btop  ;
					}
				}
				
				lensleft = parseInt(lensleft);
				lenstop = parseInt(lenstop);
				
				//setto lo zoom ed un eventuale immagine al centro
				$('div.jqZoomPup',a).css({top: lenstop,left: lensleft });
				
				if(settings.zoomType == 'reverse')
				{
					$('div.jqZoomPup img',a).css({'position': 'absolute','top': -( lenstop - btop +1) ,'left': -(lensleft - bleft +1)  });
				}
				
				this.node.style.left = lensleft + 'px';
				this.node.style.top = lenstop + 'px';
				
				//setto l'immagine grande
				largeimage.setposition();
				
				function overleft() {
					return mousepos.x - (lensdata.w +2*1)/2  - bleft < smallimagedata.pos.l;
				}
				
				function overright() {
					return mousepos.x + (lensdata.w + 2* 1)/2  > smallimagedata.pos.r + bleft ;
				}
				function overtop() {
					return mousepos.y - (lensdata.h + 2* 1)/2  - btop < smallimagedata.pos.t;
				}
				function overbottom() {
					return mousepos.y + (lensdata.h + 2* 1)/2    > smallimagedata.pos.b + btop;
				}
				
				return this;
			};
			
			//mostra la lente al centro dell'immagine
			Lens.prototype.center = function()
			{
				$('div.jqZoomPup',a).css('display','none');
				var lensleft = (smallimagedata.w)/2 - (lensdata.w)/2 ;
				var lenstop = (smallimagedata.h)/2 - (lensdata.h)/2;
				this.node.style.left = lensleft + 'px';
				this.node.style.top = lenstop + 'px';
				$('div.jqZoomPup',a).css({top: lenstop,left: lensleft });
				
				if(settings.zoomType == 'reverse')
				{
					$('div.jqZoomPup img',a).css({'position': 'absolute','top': -(lenstop - btop + 1) ,'left': -( lensleft  - bleft +1)   });
				}
				
				largeimage.setposition();
				
				if($.browser.msie)
				{
					$('div.jqZoomPup',a).show();
				}else
				{
					setTimeout(function(){$('div.jqZoomPup').fadeIn('fast');},10);
				}
			};
			
			//ritorna l'offset
			Lens.prototype.getoffset = function() {
				var o = {};
				o.left = parseInt(this.node.style.left) ;
				o.top =  parseInt(this.node.style.top) ;
				return o;
			};

			//rimuove la lente
			Lens.prototype.remove = function()
			{
				if(settings.zoomType == 'innerzoom')
				{
					$('div.jqZoomPup',a).fadeOut('fast',function(){/*$('div.jqZoomPup img').remove();*/$(this).remove();});
				}else
				{
					//$('div.jqZoomPup img').remove();
					$('div.jqZoomPup',a).remove();
				}
			};

			Lens.prototype.findborder = function()
			{
				var bordertop = '';
				bordertop = $('div.jqZoomPup').css('borderTop');
				//alert(bordertop);
				lensbtop = '';
				var borderleft = '';
				borderleft = $('div.jqZoomPup').css('borderLeft');
				lensbleft = '';
				if($.browser.msie)
				{
					var temp = bordertop.split(' ');
					
					bordertop = temp[1];
					var temp = borderleft.split(' ');
					borderleft = temp[1];
				}
				
				if(bordertop)
				{
					for(i=0;i<3;i++)
					{
						var x = [];
						x = bordertop.substr(i,1);
						
						if(isNaN(x) == false)
						{
							lensbtop = lensbtop +''+ bordertop.substr(i,1);
						}else
						{
							break;
						}
					}
				}
				
				if(borderleft)
				{
					for(i=0;i<3;i++)
					{
						if(!isNaN(borderleft.substr(i,1)))
						{
							lensbleft = lensbleft + borderleft.substr(i,1)
						}else
						{
							break;
						}
					}
				}
				
				lensbtop = (lensbtop.length > 0) ? eval(lensbtop) : 0;
				lensbleft = (lensbleft.length > 0) ? eval(lensbleft) : 0;
			}
			
			//LARGEIMAGE
			function Largeimage( url )
			{
				this.url = url;
				this.node = new Image();
				
				this.loadimage = function()
				{
					if(!this.node) this.node = new Image();
					
					this.node.style.position = 'absolute';
					this.node.style.display = 'none';
					this.node.style.left = '-5000px';
					this.node.style.top = '10px';
					loader = new Loader();
					
					if(settings.showPreload && !preloadshow)
					{
						loader.show();
						preloadshow = true;
					}
					
					document.body.appendChild( this.node );
					this.node.src = this.url; // fires off async
				}
				
				this.node.onload = function()
				{
					this.style.display = 'block';
					var w = Math.round($(this).width());
					var h = Math.round($(this).height());
					
					this.style.display = 'none';
					
					//setting scale
					scale.x = (w / smallimagedata.w);
					scale.y = (h / smallimagedata.h);
					
					if($('div.preload').length > 0)
					{
						$('div.preload').remove();
					}
					
					largeimageloaded = true;
					
					if(settings.zoomType != 'innerzoom' && running){
						stage = new Stage();
						stage.activate();
					}
					
					if(running)
					{
						lens = new Lens();
						lens.activate() ;
					}
					
					//la attivo
					if($('div.preload').length > 0)
					{
						$('div.preload').remove();
					}
				}
				return this;
			}
			
			Largeimage.prototype.setposition = function()
			{
				this.node.style.left = Math.ceil( - scale.x * parseInt(lens.getoffset().left) + bleft) + 'px';
				this.node.style.top = Math.ceil( - scale.y * parseInt(lens.getoffset().top) +btop) + 'px';
			};
			
			//setto la posizione dell'immagine grande nel caso di innerzoom
			Largeimage.prototype.setinner = function(e) {
				this.node.style.left = Math.ceil( - scale.x * Math.abs(e.pageX - smallimagedata.pos.l)) + 'px';
				this.node.style.top = Math.ceil( - scale.y * Math.abs(e.pageY - smallimagedata.pos.t)) + 'px';
				$('div.jqZoomPup img',a).css({'position': 'absolute','top': this.node.style.top,'left': this.node.style.left  });
			};
			
			Largeimage.prototype.setcenter = function() {
				this.node.style.left = Math.ceil(- scale.x * Math.abs((smallimagedata.w)/2)) + 'px';
				this.node.style.top = Math.ceil( - scale.y * Math.abs((smallimagedata.h)/2)) + 'px';
				
				$('div.jqZoomPup img',a).css({'position': 'absolute','top': this.node.style.top,'left': this.node.style.left  });
			};
			
			//STAGE
			function Stage()
			{
				var leftpos = smallimagedata.pos.l;
				var toppos = smallimagedata.pos.t;
				//creating element and class
				this.node = document.createElement("div");
				$(this.node).addClass('jqZoomWindow');
				
				$( this.node ).css({
					position: 'absolute',
					width: Math.round(settings.zoomWidth) + 'px',
					height: Math.round(settings.zoomHeight) + 'px',
					display: 'none',
					zIndex: 10000,
					overflow: 'hidden'
				});
				
				//fa il positionamento
				// ネストローブカスタム setting.position無効
				/*switch(settings.position)
				{
					case "right":
						leftpos = (smallimagedata.pos.r + Math.abs(settings.xOffset) + settings.zoomWidth < screen.width)
						? (smallimagedata.pos.l + smallimagedata.w + Math.abs(settings.xOffset))
						: (smallimagedata.pos.l - settings.zoomWidth - Math.abs(settings.xOffset));
						topwindow = smallimagedata.pos.t + settings.yOffset + settings.zoomHeight;
						toppos = (topwindow < screen.height && topwindow > 0)
						?  smallimagedata.pos.t + settings.yOffset
						:  smallimagedata.pos.t;
						break;
					case "left":
						leftpos = (smallimagedata.pos.l - Math.abs(settings.xOffset) - settings.zoomWidth > 0)
						? (smallimagedata.pos.l - Math.abs(settings.xOffset) - settings.zoomWidth)
						: (smallimagedata.pos.l + smallimagedata.w + Math.abs(settings.xOffset));
						topwindow = smallimagedata.pos.t + settings.yOffset + settings.zoomHeight;
						toppos = (topwindow < screen.height && topwindow > 0)
						?  smallimagedata.pos.t + settings.yOffset
						:  smallimagedata.pos.t;
						break;
					case "top":
						toppos = (smallimagedata.pos.t - Math.abs(settings.yOffset) - settings.zoomHeight > 0)
						? (smallimagedata.pos.t - Math.abs(settings.yOffset) - settings.zoomHeight)
						: (smallimagedata.pos.t + smallimagedata.h + Math.abs(settings.yOffset));
						leftwindow = smallimagedata.pos.l + settings.xOffset + settings.zoomWidth;
						leftpos = (leftwindow < screen.width && leftwindow > 0)
						? smallimagedata.pos.l + settings.xOffset
						: smallimagedata.pos.l;
						break;
					case "bottom":
						toppos = (smallimagedata.pos.b + Math.abs(settings.yOffset) + settings.zoomHeight < $('body').height())
						? (smallimagedata.pos.b + Math.abs(settings.yOffset))
						: (smallimagedata.pos.t - settings.zoomHeight - Math.abs(settings.yOffset));
						leftwindow = smallimagedata.pos.l + settings.xOffset + settings.zoomWidth;
						leftpos = (leftwindow < screen.width && leftwindow > 0)
						? smallimagedata.pos.l + settings.xOffset
						: smallimagedata.pos.l;
						break;
					default:
						leftpos = (smallimagedata.pos.l + smallimagedata.w + settings.xOffset + settings.zoomWidth < screen.width)
						? (smallimagedata.pos.l + smallimagedata.w + Math.abs(settings.xOffset))
						: (smallimagedata.pos.l - settings.zoomWidth - Math.abs(settings.xOffset));
						toppos = (smallimagedata.pos.b + Math.abs(settings.yOffset) + settings.zoomHeight < screen.height)
						? (smallimagedata.pos.b + Math.abs(settings.yOffset))
						: (smallimagedata.pos.t - settings.zoomHeight - Math.abs(settings.yOffset));
						break;
				}*/
				
				// ネストローブカスタム leftは無し、topは0、rightを0で追加
				//this.node.style.left = leftpos + 'px';
				//this.node.style.top = toppos + 'px';
				this.node.style.right = 0;
				this.node.style.top = 0;
				return this;
			}
			
			Stage.prototype.activate = function()
			{
				if ( !this.node.firstChild ) this.node.appendChild( largeimage.node );
				
				if(settings.title)
				{
					ZoomTitleObj.loadtitle();
				}
				
				// ネストローブカスタム　stageをappendする場所を選べるように
				//document.body.appendChild( this.node );
				$(settings.stageAppendObject).append( this.node );
				
				switch(settings.showEffect)
				{
					case 'show':
						$(this.node).show();
						break;
					case 'fadein':
						$(this.node).fadeIn(settings.fadeinSpeed);
						break;
					default:
						$(this.node).show();
						break;
				}
				
				$(this.node).show();
				
				if ($.browser.msie && $.browser.version < 7) {
					this.ieframe = $('<iframe class="zoom_ieframe" frameborder="0" src="#"></iframe>')
						// ネストローブカスタム setting.position無効、強制top:0, right:0
						//.css({ position: "absolute", left:this.node.style.left,top:this.node.style.top,zIndex:99,width:settings.zoomWidth,height:settings.zoomHeight })
						.css({ position: "absolute", right:0,top:0,zIndex:99,width:settings.zoomWidth,height:settings.zoomHeight })
						.insertBefore(this.node);
				}
				largeimage.node.style.display = 'block';
			}
			
			Stage.prototype.remove = function() {
				switch(settings.hideEffect)
				{
					case 'hide':
						$('.jqZoomWindow').remove();
						break;
					case 'fadeout':
						$('.jqZoomWindow').fadeOut(settings.fadeoutSpeed);
						break;
					default:
						$('.jqZoomWindow').remove();
						break;
				}
			}
			
			function zoomTitle()
			{
				this.node = jQuery('<div />').addClass('jqZoomTitle').html('' + ZoomTitle +'');
				this.loadtitle = function()
				{
					if(settings.zoomType == 'innerzoom')
					{
						$(this.node)
							.css({position: 'absolute',
								  top: smallimagedata.pos.b +3,
								  left: (smallimagedata.pos.l+1),
								  width:smallimagedata.w
								  })
							.appendTo('body');
					}else
					{
						$(this.node).appendTo(stage.node);
					}
				};
			}
			
			zoomTitle.prototype.remove = function() {
				$('.jqZoomTitle').remove();
			}
			
			function Loader()
			{
				this.node = document.createElement("div");
				$(this.node).addClass('preload');
				$(this.node).html(settings.preloadText);//appendo il testo
				$(this.node ).appendTo("body").css('visibility','hidden');
				
				this.show = function()
				{
					switch(settings.preloadPosition)
					{
						case 'center':
							loadertop =  smallimagedata.pos.t + (smallimagedata.h - $(this.node ).height())/2;
							loaderleft = smallimagedata.pos.l + (smallimagedata.w - $(this.node ).width())/2;
							break;
						default:
							var loaderoffset = this.getoffset();
							loadertop = !isNaN(loaderoffset.top) ? smallimagedata.pos.t + loaderoffset.top : smallimagedata.pos.t + 0;
							loaderleft = !isNaN(loaderoffset.left) ? smallimagedata.pos.l + loaderoffset.left : smallimagedata.pos.l + 0;
							break;
					}
					
					//setting position
					$(this.node).css({
						top: loadertop  ,
						left: loaderleft ,
						position: 'absolute',
						visibility:'visible'
					});
				}
				return this;
			}
			
			Loader.prototype.getoffset = function()
			{
				var o = null;
				o = $('div.preload').offset();
				return o;
			}
		});
	}
})(jQuery);

function trim(stringa)
{
	while (stringa.substring(0,1) == ' '){
		stringa = stringa.substring(1, stringa.length);
	}
	while (stringa.substring(stringa.length-1, stringa.length) == ' '){
		stringa = stringa.substring(0,stringa.length-1);
	}
	return stringa;
}