Lock ASP.NET Page and Show Animated Image While Waiting for a Long Post-Back

/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.7.0
*/
(function(){function A(E){var I=A.VALUE_UNLIMITED,H=YAHOO.lang,F,B,C,D,G;E=H.isObject(E)?E:{};this.initConfig();this.initEvents();this.set("rowsPerPage",E.rowsPerPage,true);if(A.isNumeric(E.totalRecords)){this.set("totalRecords",E.totalRecords,true);}this.initUIComponents();for(F in E){if(H.hasOwnProperty(E,F)){this.set(F,E[F],true);}}B=this.get("initialPage");C=this.get("totalRecords");D=this.get("rowsPerPage");if(B>1&&D!==I){G=(B-1)*D;if(C===I||G<C){this.set("recordOffset",G,true);}}}YAHOO.lang.augmentObject(A,{id:0,ID_BASE:"yui-pg",VALUE_UNLIMITED:-1,TEMPLATE_DEFAULT:"{FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink}",TEMPLATE_ROWS_PER_PAGE:"{FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}",ui:{},isNumeric:function(B){return isFinite(+B);},toNumber:function(B){return isFinite(+B)?+B:null;}},true);A.prototype={_containers:[],_batch:false,_pageChanged:false,_state:null,initConfig:function(){var C=A.VALUE_UNLIMITED,B=YAHOO.lang;this.setAttributeConfig("rowsPerPage",{value:0,validator:A.isNumeric,setter:A.toNumber});this.setAttributeConfig("containers",{value:null,validator:function(F){if(!B.isArray(F)){F=[F];}for(var E=0,D=F.length;E<D;++E){if(B.isString(F[E])||(B.isObject(F[E])&&F[E].nodeType===1)){continue;}return false;}return true;},method:function(D){D=YAHOO.util.Dom.get(D);if(!B.isArray(D)){D=[D];}this._containers=D;}});this.setAttributeConfig("totalRecords",{value:0,validator:A.isNumeric,setter:A.toNumber});this.setAttributeConfig("recordOffset",{value:0,validator:function(E){var D=this.get("totalRecords");if(A.isNumeric(E)){E=+E;return D===C||D>E||(D===0&&E===0);}return false;},setter:A.toNumber});this.setAttributeConfig("initialPage",{value:1,validator:A.isNumeric,setter:A.toNumber});this.setAttributeConfig("template",{value:A.TEMPLATE_DEFAULT,validator:B.isString});this.setAttributeConfig("containerClass",{value:"yui-pg-container",validator:B.isString});this.setAttributeConfig("alwaysVisible",{value:true,validator:B.isBoolean});this.setAttributeConfig("updateOnChange",{value:false,validator:B.isBoolean});this.setAttributeConfig("id",{value:A.id++,readOnly:true});this.setAttributeConfig("rendered",{value:false,readOnly:true});},initUIComponents:function(){var D=A.ui,C,B;for(C in D){if(YAHOO.lang.hasOwnProperty(D,C)){B=D[C];if(YAHOO.lang.isObject(B)&&YAHOO.lang.isFunction(B.init)){B.init(this);}}}},initEvents:function(){this.createEvent("render");this.createEvent("rendered");this.createEvent("changeRequest");this.createEvent("pageChange");this.createEvent("beforeDestroy");this.createEvent("destroy");this._selfSubscribe();},_selfSubscribe:function(){this.subscribe("totalRecordsChange",this.updateVisibility,this,true);this.subscribe("alwaysVisibleChange",this.updateVisibility,this,true);this.subscribe("totalRecordsChange",this._handleStateChange,this,true);this.subscribe("recordOffsetChange",this._handleStateChange,this,true);this.subscribe("rowsPerPageChange",this._handleStateChange,this,true);this.subscribe("totalRecordsChange",this._syncRecordOffset,this,true);},_syncRecordOffset:function(E){var B=E.newValue,D,C;if(E.prevValue!==B){if(B!==A.VALUE_UNLIMITED){D=this.get("rowsPerPage");if(D&&this.get("recordOffset")>=B){C=this.getState({totalRecords:E.prevValue,recordOffset:this.get("recordOffset")});this.set("recordOffset",C.before.recordOffset);this._firePageChange(C);}}}},_handleStateChange:function(C){if(C.prevValue!==C.newValue){var D=this._state||{},B;D[C.type.replace(/Change$/,"")]=C.prevValue;B=this.getState(D);if(B.page!==B.before.page){if(this._batch){this._pageChanged=true;}else{this._firePageChange(B);}}}},_firePageChange:function(B){if(YAHOO.lang.isObject(B)){var C=B.before;delete B.before;this.fireEvent("pageChange",{type:"pageChange",prevValue:B.page,newValue:C.page,prevState:B,newState:C});}},render:function(){if(this.get("rendered")){return;}var N=this.get("totalRecords"),G=YAHOO.util.Dom,O=this.get("template"),Q=this.get("containerClass"),I,K,M,H,F,E,P,D,C,B,L,J;if(N!==A.VALUE_UNLIMITED&&N<this.get("rowsPerPage")&&!this.get("alwaysVisible")){return;}O=O.replace(/\{([a-z0-9_ \-]+)\}/gi,'<span class="yui-pg-ui $1"></span>');for(I=0,K=this._containers.length;I<K;++I){M=this._containers[I];H=A.ID_BASE+this.get("id")+"-"+I;if(!M){continue;}M.style.display="none";G.addClass(M,Q);M.innerHTML=O;F=G.getElementsByClassName("yui-pg-ui","span",M);for(E=0,P=F.length;E<P;++E){D=F[E];C=D.parentNode;B=D.className.replace(/\s*yui-pg-ui\s+/g,"");L=A.ui[B];if(YAHOO.lang.isFunction(L)){J=new L(this);if(YAHOO.lang.isFunction(J.render)){C.replaceChild(J.render(H),D);}}}M.style.display="";}if(this._containers.length){this.setAttributeConfig("rendered",{value:true});this.fireEvent("render",this.getState());this.fireEvent("rendered",this.getState());}},destroy:function(){this.fireEvent("beforeDestroy");this.fireEvent("destroy");this.setAttributeConfig("rendered",{value:false});},updateVisibility:function(G){var C=this.get("alwaysVisible"),I,H,E,F,D,B;if(G.type==="alwaysVisibleChange"||!C){I=this.get("totalRecords");H=true;E=this.get("rowsPerPage");F=this.get("rowsPerPageOptions");if(YAHOO.lang.isArray(F)){for(D=0,B=F.length;D<B;++D){E=Math.min(E,F[D]);}}if(I!==A.VALUE_UNLIMITED&&I<=E){H=false;}H=H||C;for(D=0,B=this._containers.length;D<B;++D){YAHOO.util.Dom.setStyle(this._containers[D],"display",H?"":"none");}}},getContainerNodes:function(){return this._containers;},getTotalPages:function(){var B=this.get("totalRecords"),C=this.get("rowsPerPage");if(!C){return null;}if(B===A.VALUE_UNLIMITED){return A.VALUE_UNLIMITED;}return Math.ceil(B/C);},hasPage:function(C){if(!YAHOO.lang.isNumber(C)||C<1){return false;}var B=this.getTotalPages();return(B===A.VALUE_UNLIMITED||B>=C);},getCurrentPage:function(){var B=this.get("rowsPerPage");if(!B||!this.get("totalRecords")){return 0;}return Math.floor(this.get("recordOffset")/B)+1;},hasNextPage:function(){var B=this.getCurrentPage(),C=this.getTotalPages();return B&&(C===A.VALUE_UNLIMITED||B<C);
},getNextPage:function(){return this.hasNextPage()?this.getCurrentPage()+1:null;},hasPreviousPage:function(){return(this.getCurrentPage()>1);},getPreviousPage:function(){return(this.hasPreviousPage()?this.getCurrentPage()-1:1);},getPageRecords:function(E){if(!YAHOO.lang.isNumber(E)){E=this.getCurrentPage();}var D=this.get("rowsPerPage"),C=this.get("totalRecords"),F,B;if(!E||!D){return null;}F=(E-1)*D;if(C!==A.VALUE_UNLIMITED){if(F>=C){return null;}B=Math.min(F+D,C)-1;}else{B=F+D-1;}return[F,B];},setPage:function(C,B){if(this.hasPage(C)&&C!==this.getCurrentPage()){if(this.get("updateOnChange")||B){this.set("recordOffset",(C-1)*this.get("rowsPerPage"));}else{this.fireEvent("changeRequest",this.getState({"page":C}));}}},getRowsPerPage:function(){return this.get("rowsPerPage");},setRowsPerPage:function(C,B){if(A.isNumeric(C)&&+C>0&&+C!==this.get("rowsPerPage")){if(this.get("updateOnChange")||B){this.set("rowsPerPage",C);}else{this.fireEvent("changeRequest",this.getState({"rowsPerPage":+C}));}}},getTotalRecords:function(){return this.get("totalRecords");},setTotalRecords:function(C,B){if(A.isNumeric(C)&&+C>=0&&+C!==this.get("totalRecords")){if(this.get("updateOnChange")||B){this.set("totalRecords",C);}else{this.fireEvent("changeRequest",this.getState({"totalRecords":+C}));}}},getStartIndex:function(){return this.get("recordOffset");},setStartIndex:function(C,B){if(A.isNumeric(C)&&+C>=0&&+C!==this.get("recordOffset")){if(this.get("updateOnChange")||B){this.set("recordOffset",C);}else{this.fireEvent("changeRequest",this.getState({"recordOffset":+C}));}}},getState:function(H){var J=A.VALUE_UNLIMITED,F=Math,G=F.max,I=F.ceil,D,B,E;function C(M,K,L){if(M<=0||K===0){return 0;}if(K===J||K>M){return M-(M%L);}return K-(K%L||L);}D={paginator:this,totalRecords:this.get("totalRecords"),rowsPerPage:this.get("rowsPerPage"),records:this.getPageRecords()};D.recordOffset=C(this.get("recordOffset"),D.totalRecords,D.rowsPerPage);D.page=I(D.recordOffset/D.rowsPerPage)+1;if(!H){return D;}B={paginator:this,before:D,rowsPerPage:H.rowsPerPage||D.rowsPerPage,totalRecords:(A.isNumeric(H.totalRecords)?G(H.totalRecords,J):+D.totalRecords)};if(B.totalRecords===0){B.recordOffset=B.page=0;}else{E=A.isNumeric(H.page)?(H.page-1)*B.rowsPerPage:A.isNumeric(H.recordOffset)?+H.recordOffset:D.recordOffset;B.recordOffset=C(E,B.totalRecords,B.rowsPerPage);B.page=I(B.recordOffset/B.rowsPerPage)+1;}B.records=[B.recordOffset,B.recordOffset+B.rowsPerPage-1];if(B.totalRecords!==J&&B.recordOffset<B.totalRecords&&B.records&&B.records[1]>B.totalRecords-1){B.records[1]=B.totalRecords-1;}return B;},setState:function(C){if(YAHOO.lang.isObject(C)){this._state=this.getState({});C={page:C.page,rowsPerPage:C.rowsPerPage,totalRecords:C.totalRecords,recordOffset:C.recordOffset};if(C.page&&C.recordOffset===undefined){C.recordOffset=(C.page-1)*(C.rowsPerPage||this.get("rowsPerPage"));}this._batch=true;this._pageChanged=false;for(var B in C){if(C.hasOwnProperty(B)){this.set(B,C[B]);}}this._batch=false;if(this._pageChanged){this._pageChanged=false;this._firePageChange(this.getState(this._state));}}}};YAHOO.lang.augmentProto(A,YAHOO.util.AttributeProvider);YAHOO.widget.Paginator=A;})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.CurrentPageReport=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("pageReportTemplateChange",this.update,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("pageReportClassChange",this.update,this,true);};B.ui.CurrentPageReport.init=function(C){C.setAttributeConfig("pageReportClass",{value:"yui-pg-current",validator:A.isString});C.setAttributeConfig("pageReportTemplate",{value:"({currentPage} of {totalPages})",validator:A.isString});C.setAttributeConfig("pageReportValueGenerator",{value:function(F){var E=F.getCurrentPage(),D=F.getPageRecords();return{"currentPage":D?E:0,"totalPages":F.getTotalPages(),"startIndex":D?D[0]:0,"endIndex":D?D[1]:0,"startRecord":D?D[0]+1:0,"endRecord":D?D[1]+1:0,"totalRecords":F.get("totalRecords")};},validator:A.isFunction});};B.ui.CurrentPageReport.sprintf=function(D,C){return D.replace(/\{([\w\s\-]+)\}/g,function(E,F){return(F in C)?C[F]:"";});};B.ui.CurrentPageReport.prototype={span:null,render:function(C){this.span=document.createElement("span");this.span.id=C+"-page-report";this.span.className=this.paginator.get("pageReportClass");this.update();return this.span;},update:function(C){if(C&&C.prevValue===C.newValue){return;}this.span.innerHTML=B.ui.CurrentPageReport.sprintf(this.paginator.get("pageReportTemplate"),this.paginator.get("pageReportValueGenerator")(this.paginator));},destroy:function(){this.span.parentNode.removeChild(this.span);this.span=null;}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.PageLinks=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("pageLinksChange",this.rebuild,this,true);C.subscribe("pageLinkClassChange",this.rebuild,this,true);C.subscribe("currentPageClassChange",this.rebuild,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("pageLinksContainerClassChange",this.rebuild,this,true);};B.ui.PageLinks.init=function(C){C.setAttributeConfig("pageLinkClass",{value:"yui-pg-page",validator:A.isString});C.setAttributeConfig("currentPageClass",{value:"yui-pg-current-page",validator:A.isString});C.setAttributeConfig("pageLinksContainerClass",{value:"yui-pg-pages",validator:A.isString});C.setAttributeConfig("pageLinks",{value:10,validator:B.isNumeric});C.setAttributeConfig("pageLabelBuilder",{value:function(D,E){return D;},validator:A.isFunction});};B.ui.PageLinks.calculateRange=function(E,F,D){var I=B.VALUE_UNLIMITED,H,C,G;if(!E||D===0||F===0||(F===I&&D===I)){return[0,-1];}if(F!==I){D=D===I?F:Math.min(D,F);
}H=Math.max(1,Math.ceil(E-(D/2)));if(F===I){C=H+D-1;}else{C=Math.min(F,H+D-1);}G=D-(C-H+1);H=Math.max(1,H-G);return[H,C];};B.ui.PageLinks.prototype={current:0,container:null,render:function(C){var D=this.paginator;this.container=document.createElement("span");this.container.id=C+"-pages";this.container.className=D.get("pageLinksContainerClass");YAHOO.util.Event.on(this.container,"click",this.onClick,this,true);this.update({newValue:null,rebuild:true});return this.container;},update:function(J){if(J&&J.prevValue===J.newValue){return;}var E=this.paginator,I=E.getCurrentPage();if(this.current!==I||!I||J.rebuild){var L=E.get("pageLabelBuilder"),H=B.ui.PageLinks.calculateRange(I,E.getTotalPages(),E.get("pageLinks")),D=H[0],F=H[1],K="",C,G;C='<a href="#" class="'+E.get("pageLinkClass")+'" page="';for(G=D;G<=F;++G){if(G===I){K+='<span class="'+E.get("currentPageClass")+" "+E.get("pageLinkClass")+'">'+L(G,E)+"</span>";}else{K+=C+G+'">'+L(G,E)+"</a>";}}this.container.innerHTML=K;}},rebuild:function(C){C.rebuild=true;this.update(C);},destroy:function(){YAHOO.util.Event.purgeElement(this.container,true);this.container.parentNode.removeChild(this.container);this.container=null;},onClick:function(D){var C=YAHOO.util.Event.getTarget(D);if(C&&YAHOO.util.Dom.hasClass(C,this.paginator.get("pageLinkClass"))){YAHOO.util.Event.stopEvent(D);this.paginator.setPage(parseInt(C.getAttribute("page"),10));}}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.FirstPageLink=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("firstPageLinkLabelChange",this.update,this,true);C.subscribe("firstPageLinkClassChange",this.update,this,true);};B.ui.FirstPageLink.init=function(C){C.setAttributeConfig("firstPageLinkLabel",{value:"&lt;&lt;&nbsp;first",validator:A.isString});C.setAttributeConfig("firstPageLinkClass",{value:"yui-pg-first",validator:A.isString});};B.ui.FirstPageLink.prototype={current:null,link:null,span:null,render:function(D){var E=this.paginator,F=E.get("firstPageLinkClass"),C=E.get("firstPageLinkLabel");this.link=document.createElement("a");this.span=document.createElement("span");this.link.id=D+"-first-link";this.link.href="#";this.link.className=F;this.link.innerHTML=C;YAHOO.util.Event.on(this.link,"click",this.onClick,this,true);this.span.id=D+"-first-span";this.span.className=F;this.span.innerHTML=C;this.current=E.getCurrentPage()>1?this.link:this.span;return this.current;},update:function(D){if(D&&D.prevValue===D.newValue){return;}var C=this.current?this.current.parentNode:null;if(this.paginator.getCurrentPage()>1){if(C&&this.current===this.span){C.replaceChild(this.link,this.current);this.current=this.link;}}else{if(C&&this.current===this.link){C.replaceChild(this.span,this.current);this.current=this.span;}}},destroy:function(){YAHOO.util.Event.purgeElement(this.link);this.current.parentNode.removeChild(this.current);this.link=this.span=null;},onClick:function(C){YAHOO.util.Event.stopEvent(C);this.paginator.setPage(1);}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.LastPageLink=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("lastPageLinkLabelChange",this.update,this,true);C.subscribe("lastPageLinkClassChange",this.update,this,true);};B.ui.LastPageLink.init=function(C){C.setAttributeConfig("lastPageLinkLabel",{value:"last&nbsp;&gt;&gt;",validator:A.isString});C.setAttributeConfig("lastPageLinkClass",{value:"yui-pg-last",validator:A.isString});};B.ui.LastPageLink.prototype={current:null,link:null,span:null,na:null,render:function(D){var F=this.paginator,G=F.get("lastPageLinkClass"),C=F.get("lastPageLinkLabel"),E=F.getTotalPages();this.link=document.createElement("a");this.span=document.createElement("span");this.na=this.span.cloneNode(false);this.link.id=D+"-last-link";this.link.href="#";this.link.className=G;this.link.innerHTML=C;YAHOO.util.Event.on(this.link,"click",this.onClick,this,true);this.span.id=D+"-last-span";this.span.className=G;this.span.innerHTML=C;this.na.id=D+"-last-na";switch(E){case B.VALUE_UNLIMITED:this.current=this.na;break;case F.getCurrentPage():this.current=this.span;break;default:this.current=this.link;}return this.current;},update:function(D){if(D&&D.prevValue===D.newValue){return;}var C=this.current?this.current.parentNode:null,E=this.link;if(C){switch(this.paginator.getTotalPages()){case B.VALUE_UNLIMITED:E=this.na;break;case this.paginator.getCurrentPage():E=this.span;break;}if(this.current!==E){C.replaceChild(E,this.current);this.current=E;}}},destroy:function(){YAHOO.util.Event.purgeElement(this.link);this.current.parentNode.removeChild(this.current);this.link=this.span=null;},onClick:function(C){YAHOO.util.Event.stopEvent(C);this.paginator.setPage(this.paginator.getTotalPages());}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.NextPageLink=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("nextPageLinkLabelChange",this.update,this,true);C.subscribe("nextPageLinkClassChange",this.update,this,true);};B.ui.NextPageLink.init=function(C){C.setAttributeConfig("nextPageLinkLabel",{value:"next&nbsp;&gt;",validator:A.isString});C.setAttributeConfig("nextPageLinkClass",{value:"yui-pg-next",validator:A.isString});};B.ui.NextPageLink.prototype={current:null,link:null,span:null,render:function(D){var F=this.paginator,G=F.get("nextPageLinkClass"),C=F.get("nextPageLinkLabel"),E=F.getTotalPages();this.link=document.createElement("a");this.span=document.createElement("span");
this.link.id=D+"-next-link";this.link.href="#";this.link.className=G;this.link.innerHTML=C;YAHOO.util.Event.on(this.link,"click",this.onClick,this,true);this.span.id=D+"-next-span";this.span.className=G;this.span.innerHTML=C;this.current=F.getCurrentPage()===E?this.span:this.link;return this.current;},update:function(E){if(E&&E.prevValue===E.newValue){return;}var D=this.paginator.getTotalPages(),C=this.current?this.current.parentNode:null;if(this.paginator.getCurrentPage()!==D){if(C&&this.current===this.span){C.replaceChild(this.link,this.current);this.current=this.link;}}else{if(this.current===this.link){if(C){C.replaceChild(this.span,this.current);this.current=this.span;}}}},destroy:function(){YAHOO.util.Event.purgeElement(this.link);this.current.parentNode.removeChild(this.current);this.link=this.span=null;},onClick:function(C){YAHOO.util.Event.stopEvent(C);this.paginator.setPage(this.paginator.getNextPage());}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.PreviousPageLink=function(C){this.paginator=C;C.subscribe("recordOffsetChange",this.update,this,true);C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("totalRecordsChange",this.update,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("previousPageLinkLabelChange",this.update,this,true);C.subscribe("previousPageLinkClassChange",this.update,this,true);};B.ui.PreviousPageLink.init=function(C){C.setAttributeConfig("previousPageLinkLabel",{value:"&lt;&nbsp;prev",validator:A.isString});C.setAttributeConfig("previousPageLinkClass",{value:"yui-pg-previous",validator:A.isString});};B.ui.PreviousPageLink.prototype={current:null,link:null,span:null,render:function(D){var E=this.paginator,F=E.get("previousPageLinkClass"),C=E.get("previousPageLinkLabel");this.link=document.createElement("a");this.span=document.createElement("span");this.link.id=D+"-prev-link";this.link.href="#";this.link.className=F;this.link.innerHTML=C;YAHOO.util.Event.on(this.link,"click",this.onClick,this,true);this.span.id=D+"-prev-span";this.span.className=F;this.span.innerHTML=C;this.current=E.getCurrentPage()>1?this.link:this.span;return this.current;},update:function(D){if(D&&D.prevValue===D.newValue){return;}var C=this.current?this.current.parentNode:null;if(this.paginator.getCurrentPage()>1){if(C&&this.current===this.span){C.replaceChild(this.link,this.current);this.current=this.link;}}else{if(C&&this.current===this.link){C.replaceChild(this.span,this.current);this.current=this.span;}}},destroy:function(){YAHOO.util.Event.purgeElement(this.link);this.current.parentNode.removeChild(this.current);this.link=this.span=null;},onClick:function(C){YAHOO.util.Event.stopEvent(C);this.paginator.setPage(this.paginator.getPreviousPage());}};})();(function(){var B=YAHOO.widget.Paginator,A=YAHOO.lang;B.ui.RowsPerPageDropdown=function(C){this.paginator=C;C.subscribe("rowsPerPageChange",this.update,this,true);C.subscribe("rowsPerPageOptionsChange",this.rebuild,this,true);C.subscribe("totalRecordsChange",this._handleTotalRecordsChange,this,true);C.subscribe("destroy",this.destroy,this,true);C.subscribe("rowsPerPageDropdownClassChange",this.rebuild,this,true);};B.ui.RowsPerPageDropdown.init=function(C){C.setAttributeConfig("rowsPerPageOptions",{value:[],validator:A.isArray});C.setAttributeConfig("rowsPerPageDropdownClass",{value:"yui-pg-rpp-options",validator:A.isString});};B.ui.RowsPerPageDropdown.prototype={select:null,all:null,render:function(C){this.select=document.createElement("select");this.select.id=C+"-rpp";this.select.className=this.paginator.get("rowsPerPageDropdownClass");this.select.title="Rows per page";YAHOO.util.Event.on(this.select,"change",this.onChange,this,true);this.rebuild();return this.select;},rebuild:function(J){var C=this.paginator,E=this.select,K=C.get("rowsPerPageOptions"),D,I,F,G,H;this.all=null;for(G=0,H=K.length;G<H;++G){I=K[G];D=E.options[G]||E.appendChild(document.createElement("option"));F=A.isValue(I.value)?I.value:I;D.innerHTML=A.isValue(I.text)?I.text:I;if(A.isString(F)&&F.toLowerCase()==="all"){this.all=D;D.value=C.get("totalRecords");}else{D.value=F;}}while(E.options.length>K.length){E.removeChild(E.firstChild);}this.update();},update:function(G){if(G&&G.prevValue===G.newValue){return;}var F=this.paginator.get("rowsPerPage")+"",D=this.select.options,E,C;for(E=0,C=D.length;E<C;++E){if(D[E].value===F){D[E].selected=true;break;}}},onChange:function(C){this.paginator.setRowsPerPage(parseInt(this.select.options[this.select.selectedIndex].value,10));},_handleTotalRecordsChange:function(C){if(!this.all||(C&&C.prevValue===C.newValue)){return;}this.all.value=C.newValue;if(this.all.selected){this.paginator.set("rowsPerPage",C.newValue);}},destroy:function(){YAHOO.util.Event.purgeElement(this.select);this.select.parentNode.removeChild(this.select);this.select=null;}};})();YAHOO.register("paginator",YAHOO.widget.Paginator,{version:"2.7.0",build:"1799"});