/**
 * COMMON DHTML FUNCTIONS
 * These are handy functions I use all the time.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

/**
 * X-browser event handler attachment and detachment
 * TH: Switched first true to false per http://www.onlinetools.org/articles/unobtrusivejavascript/chapter4.html
 *
 * @argument obj - the object to attach event to
 * @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
 * @argument fn - function to call
 */
function addEvent(obj,evType,fn){if(obj.addEventListener){obj.addEventListener(evType,fn,false);return true}else if(obj.attachEvent){var r=obj.attachEvent("on"+evType,fn);return r}else{return false}}function removeEvent(obj,evType,fn,useCapture){if(obj.removeEventListener){obj.removeEventListener(evType,fn,useCapture);return true}else if(obj.detachEvent){var r=obj.detachEvent("on"+evType,fn);return r}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 offset=17;var width=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}}