var GalleryPopin=new Class({initialize:function(a){this.root_node=a?$(a):null;this.body_node=document.getElement("body");this.overlay_node=null;this.popin_window_node=null;this.loader_node=null;this.thumbnails_class="mb_gallery_thumbnails";this.thumbnail_class="mb_gallery_thumbnail";this.info_class="mb_gallery_info";this.info_source_class="mb_gallery_info_source";this.info_title_class="mb_gallery_info_title";this.info_description_class="mb_gallery_info_description";this.info_link_class="mb_gallery_info_link";this.info_link_target_class="mb_gallery_info_link_taget";this.overlay_class="mb_gallery_overlay";this.popin_window_class="mb_gallery_popin_window";this.popin_close_class="mb_gallery_popin_close";this.image_class="mb_gallery_image";this.image_prev_class="mb_gallery_image_prev";this.image_next_class="mb_gallery_image_next";this.image_info_class="mb_gallery_image_info";this.image_counter_class="mb_gallery_image_counter";this.image_title_class="mb_gallery_image_title";this.image_description_class="mb_gallery_image_description";this.blocker_class="mb_gallery_blocker";this.loader_class="mb_gallery_loader";this.disabled_class="disabled";this.image_prefix="mb_gallery_image_";this.thumbnail_prefix="mb_gallery_thumbnail_";this.info_prefix="mb_gallery_info_";this.images_amount=0;this.image_span=0},start:function(){if(this.root_node){this.overlay_node=this.root_node.getElement("."+this.overlay_class);this.popin_window_node=this.root_node.getElement("."+this.popin_window_class);this.loader_node=this.root_node.getElement("."+this.loader_class);var c=this.root_node.getElement("."+this.info_class);if(c){var e=c.getChildren("div");if(e){this.images_amount=e.length}}}if(this.popin_window_node){var d=this.popin_window_node.getElement("."+this.image_class);var f=this.popin_window_node.getElement("."+this.image_counter_class);if(d){var b=parseInt(d.getStyle("padding"));if(!isNaN(b)){this.image_span=b}}if(f){var a=f.get("text");a=a.replace("#","<span>1</span>");a=a.replace("#",this.images_amount);f.set("html",a)}}this.setEvents()},setEvents:function(){var g=this;if(this.root_node){var c=this.root_node.getElement("."+this.thumbnails_class);if(c){var e=c.getElements("."+this.thumbnail_class);if(e){e.addEvent("click",function(k){var j=this.getElement("img");var i=j.get("class");var l=parseInt(i.replace(g.thumbnail_prefix,""));if(!isNaN(l)){var h=g.info_prefix+l;g.showImage(h)}})}}}if(this.popin_window_node){var f=this.popin_window_node.getElement("."+this.popin_close_class);var d=this.popin_window_node.getElement("."+this.image_prev_class);var b=this.popin_window_node.getElement("."+this.image_next_class);var a=this.popin_window_node.getElement("."+this.blocker_class);if(this.overlay_node){this.overlay_node.addEvent("click",function(){g.displayOverlay(0);g.displayPopinWindow(0);g.displayLoader(0)})}if(f){f.addEvent("click",function(){g.displayOverlay(0);g.displayPopinWindow(0);g.displayLoader(0)})}if(d&&b){d.addEvent("click",function(){if(!this.hasClass(g.disabled_class)){g.showImageSibling(2)}});b.addEvent("click",function(){if(!this.hasClass(g.disabled_class)){g.showImageSibling(1)}})}document.addEvent("keydown",function(i){var h=g.popin_window_node.getStyle("display");var j=a?a.getStyle("display"):"none";if(h=="block"&&j=="none"){switch(i.key){case"left":g.showImageSibling(2);break;case"right":g.showImageSibling(1);break}}})}},showImage:function(w){var u=this;if(this.root_node&&this.popin_window_node&&w){var x=this.root_node.getElement("."+w);var s=parseInt(w.replace(this.info_prefix,""));if(x&&!isNaN(s)){var z=this.popin_window_node.getElement("."+this.image_class);var l=this.popin_window_node.getElement("."+this.image_info_class);var v=this.popin_window_node.getElement("."+this.image_title_class);var o=this.popin_window_node.getElement("."+this.image_description_class);var h=x.getElement("."+this.info_source_class);var A=x.getElement("."+this.info_title_class);var B=x.getElement("."+this.info_description_class);var t=x.getElement("."+this.info_link_class);var a=null;switch(s){case 1:this.stateHandler(this.image_prev_class,0);if(this.images_amount==1){this.stateHandler(this.image_next_class,0)}else{this.stateHandler(this.image_next_class,1)}break;case this.images_amount:this.stateHandler(this.image_prev_class,1);this.stateHandler(this.image_next_class,0);break;default:this.stateHandler(this.image_prev_class,1);this.stateHandler(this.image_next_class,1);break}if(t){var k=x.getElement("."+this.info_link_target_class);var p=t.get("text");a=new Element("a",{href:p});if(k){var b=k.get("text");a.set("target",b)}}if(z&&h){var q=this.image_prefix+s;var d=h.get("text");var c=new Array(d);var y=new Element("img",{"class":q,src:d});z.set("html",null);z.setStyle("opacity",0);y.inject(z);if(a){a.wraps(y)}this.displayOverlay(1);this.displayPopinWindow(1);this.displayHandler(this.image_prev_class,0);this.displayHandler(this.image_next_class,0);this.displayBlocker(1);this.displayLoader(1);var j=window.getSize();var f=j.x-20;var r=j.y-20;var n=0;var g=this.popin_window_node.getSize();var e=g.x;var m=g.y;if(l){l.setStyle("opacity",0);this.showImageInfo(w);var i=l.getSize();n=i.y}new Asset.images(c,{onComplete:function(){var H=y.getSize();var M=H.x;var D=H.y;var O=M+(u.image_span*2);var E=D+n+(u.image_span*2);if(O>f){var Q=M;O=f;M=O-(u.image_span*2);D=parseInt((M/Q)*D);E=D+n+(u.image_span*2)}if(E>r){var N=D;E=r;D=E-n-(u.image_span*2);M=parseInt((D/N)*M);O=M+(u.image_span*2)}y.set({height:D,width:M});var C=-parseInt(O/2);var J=-parseInt(E/2);var G={"margin-left":C,width:O};var I={height:E,"margin-top":J};if(l){var L=new Fx.Tween(l,{duration:500,transition:"quad:in:out"})}var K=new Fx.Tween(z,{duration:500,transition:"quad:in:out",onStart:function(){u.displayLoader(0);u.displayHandler(u.image_prev_class,1);u.displayHandler(u.image_next_class,1);if(l){L.start("opacity",1)}},onComplete:function(){u.displayBlocker(0)}});var F=new Fx.Morph(u.popin_window_node,{duration:250,transition:"quad:in:out",onComplete:function(){K.start("opacity",1)}});var P=new Fx.Morph(u.popin_window_node,{duration:250,transition:"quad:in:out",onComplete:function(){if(O!=e){F.start(G)}else{K.start("opacity",1)}}});if(E!=m){P.start(I)}else{if(O!=e){F.start(G)}else{K.start("opacity",1)}}}})}}}},showImageSibling:function(f){if(this.root_node&&this.popin_window_node){var g=this.popin_window_node.getElement("."+this.image_class);if(g){var h=g.getElement("img");if(h){var b=h.get("class");var c=parseInt(b.replace(this.image_prefix,""));if(!isNaN(c)){var i=this.info_prefix+c;var a=this.root_node.getElement("."+i);if(a){var d=null;f=!isNaN(parseInt(f))?f:1;switch(f){case 1:d=a.getNext("div");break;case 2:d=a.getPrevious("div");break}if(d){var e=d.get("class");this.showImage(e)}}}}}}},showImageInfo:function(l){if(this.root_node&&this.popin_window_node&&l){var b=this.root_node.getElement("."+l);if(b){var k=this.popin_window_node.getElement("."+this.image_info_class);var d=this.popin_window_node.getElement("."+this.image_counter_class);var a=this.popin_window_node.getElement("."+this.image_title_class);var i=this.popin_window_node.getElement("."+this.image_description_class);var f=b.getElement("."+this.info_title_class);var h=b.getElement("."+this.info_description_class);var j=f?f.get("text"):null;var c=h?h.get("text"):null;if(k){if((f||h)&&k.hasClass(this.disabled_class)){k.removeClass(this.disabled_class)}else{if(!f&&!h&&!k.hasClass(this.disabled_class)){k.addClass(this.disabled_class)}}}if(d){var g=d.getElement("span");if(g){var e=parseInt(l.replace(this.info_prefix,""));g.set("text",e)}}if(a){a.set("text",j)}if(i){i.set("text",c)}}}},stateHandler:function(c,b){if(this.popin_window_node&&c){var a=this.popin_window_node.getElement("."+c);if(a){b=!isNaN(parseInt(b))?b:1;switch(b){case 0:a.addClass(this.disabled_class);break;case 1:a.removeClass(this.disabled_class);break}}}},displayHandler:function(d,c){if(this.popin_window_node&&d){var b=this.popin_window_node.getElement("."+d);if(b){c=!isNaN(parseInt(c))?c:1;switch(c){case 0:b.setStyle("opacity",0);break;case 1:var a=new Fx.Tween(b,{duration:500,transition:"quad:in:out"});a.start("opacity",1);break}}}},displayOverlay:function(a){if(this.root_node&&this.body_node&&this.overlay_node){a=!isNaN(parseInt(a))?a:1;switch(a){case 0:this.overlay_node.inject(this.root_node);this.overlay_node.setStyle("display","none");break;case 1:var b=this.overlay_node.getStyle("display");if(b=="none"){this.overlay_node.inject(this.body_node);this.overlay_node.setStyle("display","block")}break}}},displayPopinWindow:function(a){if(this.root_node&&this.body_node&&this.popin_window_node){a=!isNaN(parseInt(a))?a:1;switch(a){case 0:this.popin_window_node.inject(this.root_node);this.popin_window_node.setStyles({display:"none",height:null,"margin-left":null,"margin-top":null,width:null});break;case 1:var b=this.popin_window_node.getStyle("display");if(b=="none"){this.popin_window_node.inject(this.body_node);this.popin_window_node.setStyle("display","block")}break}}},displayBlocker:function(b){if(this.popin_window_node){var a=this.popin_window_node.getElement("."+this.blocker_class);if(a){b=!isNaN(parseInt(b))?b:1;switch(b){case 0:a.setStyle("display","none");break;case 1:a.setStyle("display","block");break}}}},displayLoader:function(a){if(this.root_node&&this.body_node&&this.loader_node){a=!isNaN(parseInt(a))?a:1;switch(a){case 0:this.loader_node.inject(this.root_node);this.loader_node.setStyle("display","none");break;case 1:this.loader_node.inject(this.body_node);this.loader_node.setStyle("display","block");break}}}});