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function RemoveEventOnKeyDownEvent(){document.onkeydown=null}function saveOnKeyDownEvent(){document.onkeydown=iw}function onLargeMouseWheel(){var movingCnt=event.wheelDelta;var ci=0;if(Math.ceil(movingCnt/100)>0)ci=Math.ceil(movingCnt/u);else ci=Math.ceil(movingCnt/u);moveLargeImage(0,-(movingCnt/u));moveMiniMap(0,-(movingCnt/u));}function pageClick(which){var tk=window.event.button;switch(tk){case MOUSE_BUTTON_LEFT:if(co)zoomOut();else{if(dt)return;if(mc)return;if(which==PAGE_LEFT){movePreviousPage();}else{moveNextPage();}}break;case MOUSE_BUTTON_RIGHT:if(co)return;zoomPressPos_X=window.event.clientX;zoomPressPos_Y=window.event.clientY;zoomIn(which);break;}}function iw(){if(dt)return;var pd=event.keyCode;if(co){switch(pd){case tl:zoomOutByKey();break;case pe:goToFirstPage();break;case pf:goToLastPage();break;case pg:break;case tm:moveLargeImage(0,-LARGE_IMAGE_PIXELS_BYKEY);break;case NUM_EIGHT:moveLargeImage(0,-LARGE_IMAGE_PIXELS_BYKEY);break;case tn:moveLargeImage(0,LARGE_IMAGE_PIXELS_BYKEY);break;case NUM_TWO:moveLargeImage(0,LARGE_IMAGE_PIXELS_BYKEY);break;case ph:break;case pi:movePrevZmPage();break;case pj:moveNextZmPage();break;default:break}}else{switch(pd){case pi:movePreviousPage();break;case pj:moveNextPage();break;case pe:goToFirstPage();break;case to:goToFirstPage();break;case pg:moveNextPage();break;case pf:goToLastPage();break;case tp:goToLastPage();break;case NUM_FOUR:md(PAGE_LEFT);break;case NUM_SIX:md(PAGE_RIGHT);break;case ph:moveNextPage();break;default:break}}window.event.returnValue=false}function wh(){}