function addRoundedCorners(obj, className) {
	var id = obj.id;
	var d = document.createElement('div'); d.className = className + " js" + id.substring(1);
	obj.parentNode.replaceChild(d, obj);
	var d1 = document.createElement('div');
	var d2 = document.createElement('div');
	var d3 = document.createElement('div');
	var d4 = document.createElement('div');
	d.appendChild(d1); d1.appendChild(d2); d2.appendChild(d3); d3.appendChild(d4); d4.appendChild(obj);
}

function roundedCorners() {
	var divs = getElementsByClassName(document,"*","corners");
	for (var i=0; i<divs.length; i++) {
		addRoundedCorners(divs[i],"jsCorners");
	}
}

addLoadEvent(roundedCorners);