// attaches an event on an element (ie. ) var isIE = document.all? true : false; function attachEventHandler(theEl, theEvent, theHandler, theObject) { theEvent = theEvent.toLowerCase(); if (isIE) { if (theObject) theEl.attachEvent(theEvent, function() { theHandler.call(theObject) } ); else theEl.attachEvent(theEvent, theHandler); } else { if (theEl == document.body) theEl = document; if (theEvent == "ondragstart") theEvent = "ondraggesture"; theEl.addEventListener(theEvent.substring(2), theHandler, true); } } // gets an array of elements function getElementsByTagNameAttributeValue(ancestorEl, tagName, attrName, attrValue) { attrName = attrName.toLowerCase(); if (typeof(attrValue) == 'undefined') attrValue = null; var els = []; var a = ancestorEl.getElementsByTagName(tagName); for (var i=0; i