// ================================
// DHTML mini library
// Gerard Ferrandez - January 2007
// http://www.dhteumeuleu.com
// ================================

id = function(o) {
return document.getElementById(o);
}

px = function (x) {
 return ''.concat(Math.round(x), 'px');
}

pxLeft = function(o) {
 for (var x = 0; o != null; o = o.offsetParent) x += o.offsetLeft;
 return x;
}

pxTop = function(o) {
 for (var x = 0; o != null; o = o.offsetParent) x += o.offsetTop;
 return x;
}

/* ==== DOM 2 add event ==== */
addEvent = function (o, e, f) {
 var r = false;
 if (window.addEventListener) {
 o.addEventListener(e, f, false);
 r = true;
 } else if (window.attachEvent) {
 r = o.attachEvent('on' + e, f);
 }
 return r;
}