"

From 2011.igem.org

// ================================ // 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; }