Event.observe(document.getElementById('imagewrapper'), 'load', createRoundedness(2), false);

	function createRoundedness(amount) {
	for(var i = 1; amount >= i;  i++) {
		var curve			= document.createElement('span');
			curve.id		= 'curve'+i;
		var target	= document.getElementById('imagewrapper');
		var curveId	= document.getElementById(curve.id);
		target.appendChild(curve);
		}
	}