/**
 * @author Ryan Johnson <ryan@livepipe.net>
 * @copyright 2007 LivePipe LLC
 * @package Control.Modal
 * @license MIT
 * @url http://livepipe.net/projects/control_modal/
 * @version 1.2.12
 */

if(typeof (Control)=="undefined"){Control={}}Control.Modal=Class.create();Object.extend(Control.Modal,{loaded:false,responders:$A([]),overlay:false,container:false,current:false,ie:false,targetRegexp:/#(.+)$/,imgRegexp:/\.(jpe?g|gif|png|tiff?)$/,overlayStyles:{position:"absolute",top:0,left:0,zIndex:9998},load:function(){if(!Control.Modal.loaded){Control.Modal.loaded=true;Control.Modal.ie=(navigator.appName=="Microsoft Internet Explorer");Control.Modal.overlay=$(document.createElement("div"));Control.Modal.overlay.id="modal_overlay";Object.extend(Control.Modal.overlay.style,Control.Modal.overlayStyles);Control.Modal.overlay.hide();Control.Modal.container=$(document.createElement("div"));Control.Modal.container.id="modal_container";Control.Modal.container.hide();document.getElementsByTagName("body")[0].appendChild(Control.Modal.overlay);document.getElementsByTagName("body")[0].appendChild(Control.Modal.container)}},open:function(B,A){m=new Control.Modal(false,$H({contents:B}).merge(A));m.open();return m},close:function(){if(Control.Modal.current){Control.Modal.current.close()}},attachEvents:function(){Event.observe(window,"load",Control.Modal.load);Event.observe(window,"unload",Event.unloadCache,false)},center:function(){element=this.container;if(!element._centered){this.container.setStyle({position:"absolute"});this.container._centered=true}dimensions=Control.Modal.container.getDimensions();Position.prepare();offset_left=(Position.deltaX+Math.floor((Control.Modal.getWindowWidth()-dimensions.width)/2));offset_top=(Position.deltaY+Math.floor((Control.Modal.getWindowHeight()-dimensions.height)/2));modal_dimensions=Control.Modal.container.getDimensions();Control.Modal.container.setStyle({top:((modal_dimensions.height<=Control.Modal.getWindowHeight())?((offset_top!=null&&offset_top>0)?offset_top:"0")+"px":0),left:((modal_dimensions.width<=Control.Modal.getWindowWidth())?((offset_left!=null&&offset_left>0)?offset_left:"0")+"px":0)})},getWindowWidth:function(){return(self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth||0)},getWindowHeight:function(){return(self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight||0)},getDocumentWidth:function(){return Math.min(document.body.scrollWidth,Control.Modal.getWindowWidth())},getDocumentHeight:function(){return Math.max(document.body.scrollHeight,Control.Modal.getWindowHeight())},onKeyDown:function(A){if(A.keyCode==Event.KEY_ESC){Control.Modal.close()}},addResponder:function(A){Control.Modal.responders.push(A)},removeResponder:function(A){Control.Modal.responders=Control.Modal.responders.without(A)},setOpacity:function(A,B){A=$(A);if(B==1){Element.setStyle(A,{opacity:(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:null});if(/MSIE/.test(navigator.userAgent)){Element.setStyle(A,{filter:Element.getStyle(A,"filter").replace(/alpha\([^\)]*\)/gi,"")})}}else{if(B<0.00001){B=0}Element.setStyle(A,{opacity:B});if(/MSIE/.test(navigator.userAgent)){Element.setStyle(A,{filter:Element.getStyle(A,"filter").replace(/alpha\([^\)]*\)/gi,"")+"alpha(opacity="+B*100+")"})}}}});Object.extend(Control.Modal.prototype,{mode:"",html:false,href:"",element:false,src:false,imageLoaded:false,initialize:function(B,A){this.element=$(B);this.options=$H({beforeOpen:Prototype.emptyFunction,afterOpen:Prototype.emptyFunction,beforeClose:Prototype.emptyFunction,afterClose:Prototype.emptyFunction,beforeLoad:Prototype.emptyFunction,onLoad:Prototype.emptyFunction,onFailure:Prototype.emptyFunction,onException:Prototype.emptyFunction,afterLoad:Prototype.emptyFunction,beforeImageLoad:Prototype.emptyFunction,afterImageLoad:Prototype.emptyFunction,contents:false,image:false,imageTemplate:new Template('<img src="#{src}" id="#{id}"/>'),imageAutoDisplay:true,imageCloseOnClick:true,hover:false,iframe:false,iframeTemplate:new Template('<iframe src="#{href}" width="100%" height="100%" frameborder="0" id="#{id}"></iframe>'),evalScripts:true,requestOptions:{},overlayDisplay:true,overlayClassName:"",overlayCloseOnClick:true,containerClassName:"",opacity:0.3,zIndex:9998,width:null,height:null,offsetLeft:0,offsetTop:0,position:"absolute"});if(A){for(o in A){this.options[o]=A[o]}}target_match=false;image_match=false;if(this.element){target_match=Control.Modal.targetRegexp.exec(this.element.href);image_match=Control.Modal.imgRegexp.exec(this.element.href)}if(this.options.contents){this.mode="contents"}else{if(this.options.image||image_match){this.mode="image";this.src=this.element.href}else{if(target_match){this.mode="named";x=$(target_match[1]);this.html=x.innerHTML;x.remove();this.href=target_match[1]}else{this.mode=(this.options.iframe)?"iframe":"ajax";this.href=this.element.href}}}if(this.element){if(this.options.hover){this.element.observe("mouseover",this.open.bind(this));this.element.observe("mouseout",this.close.bind(this))}else{this.element.onclick=function(){this.open();return false}.bindAsEventListener(this)}}targets=Control.Modal.targetRegexp.exec(window.location);this.position=function(){Control.Modal.overlay.setStyle({height:Control.Modal.getDocumentHeight()+"px",width:Control.Modal.getDocumentWidth()+"px"});if(this.options.position=="absolute"){Control.Modal.center()}else{yx=Position.cumulativeOffset(this.element);Control.Modal.container.style.position="absolute";Control.Modal.container.style.top=(yx[1]+this.options.offsetTop)+"px";Control.Modal.container.style.left=(yx[0]+this.options.offsetLeft)+"px"}}.bind(this);if(this.mode=="image"){this.afterImageLoad=function(){if(this.options.imageAutoDisplay&&!window.opera){$("modal_image").show()}this.position();this.notifyResponders("afterImageLoad")}.bind(this)}if(this.mode=="named"&&targets&&targets[1]&&targets[1]==this.href){this.open()}},open:function(){if(!this.options.hover){Event.observe($(document.getElementsByTagName("body")[0]),"keydown",Control.Modal.onKeyDown)}Control.Modal.current=this;if(this.notifyResponders("beforeOpen")===false){return }if(!this.options.hover){Control.Modal.overlay.setStyle({zIndex:this.options.zIndex});Control.Modal.setOpacity(Control.Modal.overlay,this.options.opacity)}Control.Modal.container.setStyle({zIndex:this.options.zIndex+1,width:(this.options.width?this.options.width+"px":""),height:(this.options.height?this.options.height+"px":"")});if(Control.Modal.ie&&!this.options.hover){$A(document.getElementsByTagName("select")).each(function(A){A.style.visibility="hidden"})}Control.Modal.overlay.addClassName(this.options.overlayClassName);Control.Modal.container.addClassName(this.options.containerClassName);switch(this.mode){case"image":this.imageLoaded=false;this.notifyResponders("beforeImageLoad");this.update(this.options.imageTemplate.evaluate({src:this.src,id:"modal_image"}));this.position();if(this.options.imageAutoDisplay&&!window.opera){$("modal_image").hide()}if(this.options.imageCloseOnClick){$("modal_image").observe("click",Control.Modal.close)}$("modal_image").observe("load",this.afterImageLoad);$("modal_image").observe("readystatechange",this.afterImageLoad);break;case"ajax":this.notifyResponders("beforeLoad");options=$H({method:"get",onSuccess:function(A){this.notifyResponders("onLoad",A);this.update(A.responseText);if(this.options.evalScripts){A.responseText.evalScripts()}this.notifyResponders("afterLoad",A)}.bind(this),onFailure:this.options.onFailure,onException:this.options.onException});if(this.options.requestOptions){for(o in this.options.requestOptions){options[o]=this.options.requestOptions[o]}}new Ajax.Request(this.href,options);break;case"iframe":this.update(this.options.iframeTemplate.evaluate({href:this.href,id:"modal_iframe"}));this.position();break;case"contents":this.update((typeof (this.options.contents)=="function"?this.options.contents.bind(this)():this.options.contents));break;case"named":this.update(this.html);break}if(!this.options.hover){if(this.options.overlayCloseOnClick&&this.options.overlayDisplay){Control.Modal.overlay.observe("click",Control.Modal.close)}if(this.options.overlayDisplay){Control.Modal.overlay.show()}}this.options.afterOpen()},update:function(A){Control.Modal.container.update(A);this.position();Control.Modal.container.show();if(this.options.position=="absolute"){Event.stopObserving(window,"resize",this.position,false);Event.stopObserving(window,"scroll",this.position,false);Event.observe(window,"resize",this.position,false);Event.observe(window,"scroll",this.position,false)}},close:function(){response=this.notifyResponders("beforeClose");if(response==false&&response!=null){return }if(this.mode=="image"){if(this.options.imageCloseOnClick){$("modal_image").stopObserving("click",Control.Modal.close)}$("modal_image").stopObserving("load",this.afterImageLoad);$("modal_image").stopObserving("readystatechange",this.afterImageLoad)}if(Control.Modal.ie&&!this.options.hover){$A(document.getElementsByTagName("select")).each(function(A){A.style.visibility="visible"})}if(!this.options.hover){Event.stopObserving(window,"keyup",Control.Modal.onKeyDown)}Control.Modal.current=false;Control.Modal.overlay.removeClassName(this.options.overlayClassName);Control.Modal.container.removeClassName(this.options.containerClassName);Event.stopObserving(window,"resize",this.position,false);Event.stopObserving(window,"scroll",this.position,false);if(!this.options.hover){if(this.options.overlayCloseOnClick&&this.options.overlayDisplay){Control.Modal.overlay.stopObserving("click",Control.Modal.close)}if(this.options.overlayDisplay){Control.Modal.overlay.hide()}}Control.Modal.container.update("");Control.Modal.container.hide();this.notifyResponders("afterClose")},notifyResponders:function(B,A){Control.Modal.responders.each(function(C){if(C[B]){C[B](A)}});response=this.options[B](A);return response}});Control.Modal.attachEvents()