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															@@ -285,6 +285,7 @@ var ProgressBar = (function ProgressBarClosure() { 
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															   } 
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															   } 
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															   function ProgressBar(id, opts) { 
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															   function ProgressBar(id, opts) { 
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															+    this.visible = true; 
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															     // Fetch the sub-elements for later. 
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															     // Fetch the sub-elements for later. 
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															     this.div = document.querySelector(id + ' .progress'); 
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															     this.div = document.querySelector(id + ' .progress'); 
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															@@ -338,8 +339,21 @@ var ProgressBar = (function ProgressBarClosure() { 
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															     }, 
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															     }, 
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															     hide: function ProgressBar_hide() { 
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															     hide: function ProgressBar_hide() { 
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															+      if (!this.visible) { 
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															+        return; 
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															+      } 
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															+      this.visible = false; 
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															       this.bar.classList.add('hidden'); 
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															       this.bar.classList.add('hidden'); 
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															-      this.bar.removeAttribute('style'); 
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															+      document.body.classList.remove('loadingInProgress'); 
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															+    }, 
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															+    show: function ProgressBar_show() { 
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															+      if (this.visible) { 
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															+        return; 
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															+      } 
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															+      this.visible = true; 
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															+      document.body.classList.add('loadingInProgress'); 
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															+      this.bar.classList.remove('hidden'); 
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															     } 
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															     } 
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															   }; 
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															   }; 
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