/* Find position code by quirksmode.org */
function findPosition( obj ) {

        var curleft = 0;
        var orig = obj;

        if (obj.offsetParent) {
                while (obj.offsetParent) {
                        curleft += obj.offsetLeft
                        obj = obj.offsetParent;
                }
        }
        else if (obj.x) curleft += obj.x;


        obj = orig;
        var curtop = 0;
        if (obj.offsetParent) {
                while (obj.offsetParent) {
                        curtop += obj.offsetTop
                        obj = obj.offsetParent;
                }
        }
        else if (obj.y) curtop += obj.y;
        
        return [ curleft, curtop ];
}

/* Basic add/remove event code by scottandrew.com */
function addEvent(obj, evType, fn, useCapture){
        if (obj.addEventListener){
                obj.addEventListener(evType, fn, useCapture);
                return true;
        } else if (obj.attachEvent){
                var r = obj.attachEvent("on"+evType, fn);
                return r;
        }
        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;
        }
        return false;
}

if(!String.prototype.trim) String.prototype.trim = function() { return this.replace(/^\s*/,'').replace(/\s*$/, ''); }