Ext.WindowGroup=function(){var f={};var d=[];var e=null;var c=function(i,h){return(!i._lastAccess||i._lastAccess<h._lastAccess)?-1:1};var g=function(){var k=d,h=k.length;if(h>0){k.sort(c);var j=k[0].manager.zseed;for(var l=0;l<h;l++){var m=k[l];if(m&&!m.hidden){m.setZIndex(j+(l*10))}}}a()};var b=function(h){if(h!=e){if(e){e.setActive(false)}e=h;if(h){h.setActive(true)}}};var a=function(){for(var h=d.length-1;h>=0;--h){if(!d[h].hidden){b(d[h]);return}}b(null)};return{zseed:9000,register:function(h){f[h.id]=h;d.push(h);h.on("hide",a)},unregister:function(h){delete f[h.id];h.un("hide",a);d.remove(h)},get:function(h){return typeof h=="object"?h:f[h]},bringToFront:function(h){h=this.get(h);if(h!=e){h._lastAccess=new Date().getTime();g();return true}return false},sendToBack:function(h){h=this.get(h);h._lastAccess=-(new Date().getTime());g();return h},hideAll:function(){for(var h in f){if(f[h]&&typeof f[h]!="function"&&f[h].isVisible()){f[h].hide()}}},getActive:function(){return e},getBy:function(k,j){var l=[];for(var h=d.length-1;h>=0;--h){var m=d[h];if(k.call(j||m,m)!==false){l.push(m)}}return l},each:function(i,h){for(var j in f){if(f[j]&&typeof f[j]!="function"){if(i.call(h||f[j],f[j])===false){return}}}}}};Ext.WindowMgr=new Ext.WindowGroup();