function divalert(){
	if (document.getElementById('divalert') == null){
		var el = document.getElementById('container');
		divalert = document.createElement('div');
		divalert.id = 'divalert';
		divalert.style.display = "inline";
		divalert.className = 'divalert';
		divalert.appendChild(document.createTextNode('ALERT'));
		el.appendChild(divalert);
	}
}
function divalertout(){
	if (document.getElementById('divalert') !== null){
		el = document.getElementById('divalert');
		el.parentNode.removeChild(el);
	}
}