function addEvent(C,A,B){if(C.addEventListener){C.addEventListener(A,B,false);return true;}else{if(C.attachEvent){var D=C.attachEvent("on"+A,B);return D;}else{return false;}}}function removeEvent(C,A,B,E){if(C.removeEventListener){C.removeEventListener(A,B,E);return true;}else{if(C.detachEvent){var D=C.detachEvent("on"+A,B);return D;}else{alert("Handler could not be removed");}}}function getViewportHeight(){if(window.innerHeight!=window.undefined){return window.innerHeight;}if(document.compatMode=="CSS1Compat"){return document.documentElement.clientHeight;}if(document.body){return document.body.clientHeight;}return window.undefined;}function getViewportWidth(){var A=17;var B=null;if(window.innerWidth!=window.undefined){return window.innerWidth;}if(document.compatMode=="CSS1Compat"){return document.documentElement.clientWidth;}if(document.body){return document.body.clientWidth;}}function getScrollTop(){if(self.pageYOffset){return self.pageYOffset;}else{if(document.documentElement&&document.documentElement.scrollTop){return document.documentElement.scrollTop;}else{if(document.body){return document.body.scrollTop;}}}}function getScrollLeft(){if(self.pageXOffset){return self.pageXOffset;}else{if(document.documentElement&&document.documentElement.scrollLeft){return document.documentElement.scrollLeft;}else{if(document.body){return document.body.scrollLeft;}}}}
