this.footer.appendChild(element);this.changeFooterEvent.fire(element);this.changeContentEvent.fire();},render:function(appendToNode,moduleElement){this.beforeRenderEvent.fire();if(!moduleElement){moduleElement=this.element;}var me=this;var appendTo=function(element){if(typeof element=="string"){element=document.getElementById(element);}if(element){element.appendChild(me.element);me.appendEvent.fire();}}if(appendToNode){appendTo(appendToNode);}else{if(!YAHOO.util.Dom.inDocument(this.element)){return false;}}if(this.header&&!YAHOO.util.Dom.inDocument(this.header)){var firstChild=moduleElement.firstChild;if(firstChild){moduleElement.insertBefore(this.header,firstChild);}else{moduleElement.appendChild(this.header);}}if(this.body&&!YAHOO.util.Dom.inDocument(this.body)){if(this.footer&&YAHOO.util.Dom.isAncestor(this.moduleElement,this.footer)){moduleElement.insertBefore(this.body,this.footer);}else{moduleElement.appendChild(this.body);}}if(this.footer&&!YAHOO.util.Dom.inDocument(this.footer)){moduleElement.appendChild(this.footer);}this.renderEvent.fire();return true;},destroy:function(){if(this.element){var parent=this.element.parentNode;}if(parent){parent.removeChild(this.element);}this.element=null;this.header=null;this.body=null;this.footer=null;this.destroyEvent.fire();},show:function(){this.cfg.setProperty("visible",true);},hide:function(){this.cfg.setProperty("visible",false);},configVisible:function(type,args,obj){var visible=args[0];if(visible){this.beforeShowEvent.fire();YAHOO.util.Dom.setStyle(this.element,"display","block");this.showEvent.fire();}else{this.beforeHideEvent.fire();YAHOO.util.Dom.setStyle(this.element,"display","none");this.hideEvent.fire();}},configMonitorResize:function(type,args,obj){var monitor=args[0];if(monitor){this.initResizeMonitor();}else{YAHOO.util.Event.removeListener(this.resizeMonitor,"resize",this.onDomResize);this.resizeMonitor=null;}}}YAHOO.widget.Overlay=function(el,userConfig){if(arguments.length>0){YAHOO.widget.Overlay.superclass.constructor.call(this,el,userConfig);}}YAHOO.widget.Overlay.prototype=new YAHOO.widget.Module();YAHOO.widget.Overlay.prototype.constructor=YAHOO.widget.Overlay;YAHOO.widget.Overlay.superclass=YAHOO.widget.Module.prototype;YAHOO.widget.Overlay.IFRAME_SRC="promo/m/irs/blank.gif";YAHOO.widget.Overlay.TOP_LEFT="tl";YAHOO.widget.Overlay.TOP_RIGHT="tr";YAHOO.widget.Overlay.BOTTOM_LEFT="bl";YAHOO.widget.Overlay.BOTTOM_RIGHT="br";YAHOO.widget.Overlay.CSS_OVERLAY="overlay";YAHOO.widget.Overlay.prototype.beforeMoveEvent=null;YAHOO.widget.Overlay.prototype.moveEvent=null;YAHOO.widget.Overlay.prototype.init=function(el,userConfig){YAHOO.widget.Overlay.superclass.init.call(this,el);this.beforeInitEvent.fire(YAHOO.widget.Overlay);YAHOO.util.Dom.addClass(this.element,YAHOO.widget.Overlay.CSS_OVERLAY);if(userConfig){this.cfg.applyConfig(userConfig,true);}if(this.platform=="mac"&&this.browser=="gecko"){if(!YAHOO.util.Config.alreadySubscribed(this.showEvent,this.showMacGeckoScrollbars,this)){this.showEvent.subscribe(this.showMacGeckoScrollbars,this,true);}if(!YAHOO.util.Config.alreadySubscribed(this.hideEvent,this.hideMacGeckoScrollbars,this)){this.hideEvent.subscribe(this.hideMacGeckoScrollbars,this,true);}}this.initEvent.fire(YAHOO.widget.Overlay);}YAHOO.widget.Overlay.prototype.initEvents=function(){YAHOO.widget.Overlay.superclass.initEvents.call(this);this.beforeMoveEvent=new YAHOO.util.CustomEvent("beforeMove",this);this.moveEvent=new YAHOO.util.CustomEvent("move",this);}YAHOO.widget.Overlay.prototype.initDefaultConfig=function(){YAHOO.widget.Overlay.superclass.initDefaultConfig.call(this);this.cfg.addProperty("x",{handler:this.configX,validator:this.cfg.checkNumber,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("y",{handler:this.configY,validator:this.cfg.checkNumber,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("xy",{handler:this.configXY,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("context",{handler:this.configContext,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("fixedcenter",{value:false,handler:this.configFixedCenter,validator:this.cfg.checkBoolean,supercedes:["iframe","visible"]});this.cfg.addProperty("width",{handler:this.configWidth,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("height",{handler:this.configHeight,suppressEvent:true,supercedes:["iframe"]});this.cfg.addProperty("zIndex",{value:null,handler:this.configzIndex});this.cfg.addProperty("constraintoviewport",{value:false,handler:this.configConstrainToViewport,validator:this.cfg.checkBoolean,supercedes:["iframe","x","y","xy"]});this.cfg.addProperty("iframe",{value:(this.browser=="ie"?true:false),handler:this.configIframe,validator:this.cfg.checkBoolean,supercedes:["zIndex"]});}YAHOO.widget.Overlay.prototype.moveTo=function(x,y){this.cfg.setProperty("xy",[x,y]);}YAHOO.widget.Overlay.prototype.hideMacGeckoScrollbars=function(){YAHOO.util.Dom.removeClass(this.element,"show-scrollbars");YAHOO.util.Dom.addClass(this.element,"hide-scrollbars");}YAHOO.widget.Overlay.prototype.showMacGeckoScrollbars=function(){YAHOO.util.Dom.removeClass(this.element,"hide-scrollbars");YAHOO.util.Dom.addClass(this.element,"show-scrollbars");}YAHOO.widget.Overlay.prototype.configVisible=function(type,args,obj){var visible=args[0];var currentVis=YAHOO.util.Dom.getStyle(this.element,"visibility");var effect=this.cfg.getProperty("effect");var effectInstances=new Array();if(effect){if(effect instanceof Array){for(var i=0;i<effect.length;i++){var eff=effect[i];effectInstances[effectInstances.length]=eff.effect(this,eff.duration);}}else{effectInstances[effectInstances.length]=effect.effect(this,effect.duration);}}var isMacGecko=(this.platform=="mac"&&this.browser=="gecko");if(visible){if(isMacGecko){this.showMacGeckoScrollbars();}if(effect){if(visible){if(currentVis!="visible"){this.beforeShowEvent.fire();for(var i=0;i<effectInstances.length;i++){var e=effectInstances[i];if(i==0&&!YAHOO.util.Config.alreadySubscribed(e.animateInCompleteEvent,this.showEvent.fire,this.showEvent)){e.animateInCompleteEvent.subscribe(this.showEvent.fire,this.showEvent,true);}e.animateIn();}}}}else{if(currentVis!="visible"){this.beforeShowEvent.fire();YAHOO.util.Dom.setStyle(this.element,"visibility","visible");this.cfg.refireEvent("iframe");this.showEvent.fire();}}}else{if(isMacGecko){this.hideMacGeckoScrollbars();}if(effect){if(currentVis!="hidden"){this.beforeHideEvent.fire();for(var i=0;i<effectInstances.length;i++){var e=effectInstances[i];if(i==0&&!YAHOO.util.Config.alreadySubscribed(e.animateOutCompleteEvent,this.hideEvent.fire,this.hideEvent)){e.animateOutCompleteEvent.subscribe(this.hideEvent.fire,this.hideEvent,true);}e.animateOut();}}}else{if(currentVis!="hidden"){this.beforeHideEvent.fire();YAHOO.util.Dom.setStyle(this.element,"visibility","hidden");this.cfg.refireEvent("iframe");this.hideEvent.fire();}}}}YAHOO.widget.Overlay.prototype.doCenterOnDOMEvent=function(){if(this.cfg.getProperty("visible")){this.center();}}YAHOO.widget.Overlay.prototype.configFixedCenter=function(type,args,obj){var val=args[0];if(val){this.center();if(!YAHOO.util.Config.alreadySubscribed(this.beforeShowEvent,this.center,this)){this.beforeShowEvent.subscribe(this.center,this,true);}if(!YAHOO.util.Config.alreadySubscribed(YAHOO.widget.Overlay.windowResizeEvent,this.doCenterOnDOMEvent,this)){YAHOO.widget.Overlay.windowResizeEvent.subscribe(this.doCenterOnDOMEvent,this,true);}if(!YAHOO.util.Config.alreadySubscribed(YAHOO.widget.Overlay.windowScrollEvent,this.doCenterOnDOMEvent,this)){YAHOO.widget.Overlay.windowScrollEvent.subscribe(this.doCenterOnDOMEvent,this,true);}}else{YAHOO.widget.Overlay.windowResizeEvent.unsubscribe(this.doCenterOnDOMEvent,this);YAHOO.widget.Overlay.windowScrollEvent.unsubscribe(this.doCenterOnDOMEvent,this);}}YAHOO.widget.Overlay.prototype.configHeight=function(type,args,obj){var height=args[0];var el=this.element;YAHOO.util.Dom.setStyle(el,"height",height);this.cfg.refireEvent("iframe");}YAHOO.widget.Overlay.prototype.configWidth=function(type,args,obj){var width=args[0];var el=this.element;YAHOO.util.Dom.setStyle(el,"width",width);this.cfg.refireEvent("iframe");}YAHOO.widget.Overlay.prototype.configzIndex=function(type,args,obj){var zIndex=args[0];var el=this.element;if(!zIndex){zIndex=YAHOO.util.Dom.getStyle(el,"zIndex");if(!zIndex||isNaN(zIndex)){zIndex=0;}}if(this.iframe){if(zIndex<=0){zIndex=1;}YAHOO.util.Dom.setStyle(this.iframe,"zIndex",(zIndex-1));}YAHOO.util.Dom.setStyle(el,"zIndex",zIndex);this.cfg.setProperty("zIndex",zIndex,true);}YAHOO.widget.Overlay.prototype.configXY=function(type,args,obj){var pos=args[0];var x=pos[0];var y=pos[1];this.cfg.setProperty("x",x);this.cfg.setProperty("y",y);this.beforeMoveEvent.fire([x,y]);x=this.cfg.getProperty("x");y=this.cfg.getProperty("y");this.cfg.refireEvent("iframe");this.moveEvent.fire([x,y]);}YAHOO.widget.Overlay.prototype.configX=function(type,args,obj){var x=args[0];var y=this.cfg.getProperty("y");this.cfg.setProperty("x",x,true);this.cfg.setProperty("y",y,true);this.beforeMoveEvent.fire([x,y]);x=this.cfg.getProperty("x");y=this.cfg.getProperty("y");YAHOO.util.Dom.setX(this.element,x,true);this.cfg.setProperty("xy",[x,y],true);this.cfg.refireEvent("iframe");this.moveEvent.fire([x,y]);}YAHOO.widget.Overlay.prototype.configY=function(type,args,obj){var x=this.cfg.getProperty("x");var y=args[0];this.cfg.setProperty("x",x,true);this.cfg.setProperty("y",y,true);this.beforeMoveEvent.fire([x,y]);x=this.cfg.getProperty("x");y=this.cfg.getProperty("y");YAHOO.util.Dom.setY(this.element,y,true);this.cfg.setProperty("xy",[x,y],true);this.cfg.refireEvent("iframe");this.moveEvent.fire([x,y]);}YAHOO.widget.Overlay.prototype.configIframe=function(type,args,obj){var val=args[0];var el=this.element;if(val){var x=this.cfg.getProperty("x");var y=this.cfg.getProperty("y");if(!x||!y){this.syncPosition();x=this.cfg.getProperty("x");y=this.cfg.getProperty("y");}if(!isNaN(x)&&!isNaN(y)){if(!this.iframe){this.iframe=document.createElement("iframe");var parent=el.parentNode;if(parent){parent.appendChild(this.iframe);}else{document.body.appendChild(this.iframe);}this.iframe.src=this.imageRoot+YAHOO.widget.Overlay.IFRAME_SRC;YAHOO.util.Dom.setStyle(this.iframe,"position","absolute");YAHOO.util.Dom.setStyle(this.iframe,"border","none");YAHOO.util.Dom.setStyle(this.iframe,"margin","0");YAHOO.util.Dom.setStyle(this.iframe,"padding","0");YAHOO.util.Dom.setStyle(this.iframe,"opacity","0");}YAHOO.util.Dom.setStyle(this.iframe,"left",x-2+"px");YAHOO.util.Dom.setStyle(this.iframe,"top",y-2+"px");var width=el.clientWidth;var height=el.clientHeight;YAHOO.util.Dom.setStyle(this.iframe,"width",(width+2)+"px");YAHOO.util.Dom.setStyle(this.iframe,"height",(height+2)+"px");if(!this.cfg.getProperty("visible")){this.iframe.style.display="none";}else{this.iframe.style.display="block";}}}else{if(this.iframe){this.iframe.style.display="none";}}}YAHOO.widget.Overlay.prototype.configConstrainToViewport=function(type,args,obj){var val=args[0];if(val){if(!YAHOO.util.Config.alreadySubscribed(this.beforeMoveEvent,this.enforceConstraints,this)){this.beforeMoveEvent.subscribe(this.enforceConstraints,this,true);}}else{this.beforeMoveEvent.unsubscribe(this.enforceConstraints,this);}}YAHOO.widget.Overlay.prototype.configContext=function(type,args,obj){var contextArgs=args[0];if(contextArgs){var contextEl=contextArgs[0];var elementMagnetCorner=contextArgs[1];var contextMagnetCorner=contextArgs[2];if(contextEl){if(typeof contextEl=="string"){this.cfg.setProperty("context",[document.getElementById(contextEl),elementMagnetCorner,contextMagnetCorner],true);}if(elementMagnetCorner&&contextMagnetCorner){this.align(elementMagnetCorner,contextMagnetCorner);}}}}YAHOO.widget.Overlay.prototype.align=function(elementAlign,contextAlign){var contextArgs=this.cfg.getProperty("context");if(contextArgs){var context=contextArgs[0];var element=this.element;var me=this;if(!elementAlign){elementAlign=contextArgs[1];}if(!contextAlign){contextAlign=contextArgs[2];}if(element&&context){var elementRegion=YAHOO.util.Dom.getRegion(element);var contextRegion=YAHOO.util.Dom.getRegion(context);var doAlign=function(v,h){switch(elementAlign){case YAHOO.widget.Overlay.TOP_LEFT:me.moveTo(h,v);break;case YAHOO.widget.Overlay.TOP_RIGHT:me.moveTo(h-element.offsetWidth,v);break;case YAHOO.widget.Overlay.BOTTOM_LEFT:me.moveTo(h,v-element.offsetHeight);break;case YAHOO.widget.Overlay.BOTTOM_RIGHT:me.moveTo(h-element.offsetWidth,v-element.offsetHeight);break;}}switch(contextAlign){case YAHOO.widget.Overlay.TOP_LEFT:doAlign(contextRegion.top,contextRegion.left);break;case YAHOO.widget.Overlay.TOP_RIGHT:doAlign(contextRegion.top,contextRegion.right);break;case YAHOO.widget.Overlay.BOTTOM_LEFT:doAlign(contextRegion.bottom,contextRegion.left);break;case YAHOO.widget.Overlay.BOTTOM_RIGHT:doAlign(contextRegion.bottom,contextRegion.right);break;}}}}YAHOO.widget.Overlay.prototype.enforceConstraints=function(type,args,obj){var pos=args[0];var x=pos[0];var y=pos[1];var width=parseInt(this.cfg.getProperty("width"));if(isNaN(width)){width=0;}var offsetHeight=this.element.offsetHeight;var offsetWidth=(width>0?width:this.element.offsetWidth);var viewPortWidth=YAHOO.util.Dom.getViewportWidth();var viewPortHeight=YAHOO.util.Dom.getViewportHeight();var scrollX=window.scrollX||document.documentElement.scrollLeft;var scrollY=window.scrollY||document.documentElement.scrollTop;var topConstraint=scrollY+10;var leftConstraint=scrollX+10;var bottomConstraint=scrollY+viewPortHeight-offsetHeight-10;var rightConstraint=scrollX+viewPortWidth-offsetWidth-10;if(x<leftConstraint){x=leftConstraint;}else if(x>rightConstraint){x=rightConstraint;}if(y<topConstraint){y=topConstraint;}else if(y>bottomConstraint){y=bottomConstraint;}