Get nearest anchor element

getNearestAnchorElement.js

                /**
                @name getNearestAnchorElement
                @private
                @method
                @param {Object} startNode The node to start the scan from
                @param {Object} endNode The node to end on
                
                @description Find the ancestor of startNode that is an anchor link (keeps searching up until the endNode)
                */
                function getNearestAnchorElement(startNode, endNode){
                    var node = startNode;
                    do {
                        if (node.nodeName == 'A' || node.nodeName == 'INPUT') return node;
                        if (node === endNode) return false;
                    }
                    while(node = node.parentNode);
                }