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e}Ext.lib.Region=function(k,m,i,j){this.top=k;this[1]=k;this.right=m;this.bottom=i;this.left=j;this[0]=j};Ext.lib.Region.prototype={contains:function(i){return(i.left>=this.left&&i.right<=this.right&&i.top>=this.top&&i.bottom<=this.bottom)},getArea:function(){return((this.bottom-this.top)*(this.right-this.left))},intersect:function(n){var k=Math.max(this.top,n.top);var m=Math.min(this.right,n.right);var i=Math.min(this.bottom,n.bottom);var j=Math.max(this.left,n.left);if(i>=k&&m>=j){return new Ext.lib.Region(k,m,i,j)}else{return null}},union:function(n){var k=Math.min(this.top,n.top);var m=Math.max(this.right,n.right);var i=Math.max(this.bottom,n.bottom);var j=Math.min(this.left,n.left);return new Ext.lib.Region(k,m,i,j)},constrainTo:function(i){this.top=this.top.constrain(i.top,i.bottom);this.bottom=this.bottom.constrain(i.top,i.bottom);this.left=this.left.constrain(i.left,i.right);this.right=this.right.constrain(i.left,i.right);return this},adjust:function(k,j,i,m){this.top+=k;this.left+=j;this.right+=m;this.bottom+=i;return this}};Ext.lib.Region.getRegion=function(m){var o=Ext.lib.Dom.getXY(m);var k=o[1];var n=o[0]+m.offsetWidth;var i=o[1]+m.offsetHeight;var j=o[0];return new Ext.lib.Region(k,n,i,j)};Ext.lib.Point=function(i,j){if(Ext.isArray(i)){j=i[1];i=i[0]}this.x=this.right=this.left=this[0]=i;this.y=this.top=this.bottom=this[1]=j};Ext.lib.Point.prototype=new Ext.lib.Region();if(Ext.isIE){function c(){var i=Function.prototype;delete i.createSequence;delete i.defer;delete i.createDelegate;delete i.createCallback;delete i.createInterceptor;window.detachEvent("onunload",c)}window.attachEvent("onunload",c)}})(); \ No newline at end of file