(function(){function b(){this.userZoomLevel=1}b.prototype.updateUserZoomLevel=function(a){this.userZoomLevel=a;this.scalePresentation()};b.prototype.scalePresentation=function(){if(document&&document.documentElement){var a=100*window.innerWidth/1440+10,a=a*this.userZoomLevel;document.documentElement.style.zoom=""+a/100}};b.prototype.getTextSelection=function(){var a=window.getSelection?window.getSelection():void 0;if(void 0!==a&&0<a.rangeCount)return a.getRangeAt(0).cloneContents().textContent};window.encpPresenter||
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