function blurHandler(event) {
	if(this.value != '') {
		addNew(this);
		return false;
	}
}

function addNew(elem) {
		elem.onblur = null;
		added = elem.parentNode.cloneNode(1);
		added.firstChild.value = '';
		added.firstChild.onblur = blurHandler;
		elem.parentNode.parentNode.appendChild(added);
		added.firstChild.focus();
}


window.onload = function () {
	document.getElementById('phone').onblur = blurHandler;
}