// Funcion para crear y destruir layers que aparecen en mitad de la ventana
function crearLayer(content, tipo) {
	//alert('im here');

	if (document.getElementById('overlay') == null) {
		overlay = document.createElement('div');
		overlay.id = 'overlay';
		overlay.style.height = '100%';
		overlay.style.width = '100%';

		overlayc = document.createElement('div');
		overlayc.id = 'overlaycnt';
		overlayc.style.width = '100%';

		overlaycontent = document.createElement('div');
		overlaycontent.id = 'overlaycontent';

		document.body.appendChild(overlay);
		document.body.appendChild(overlayc);
		overlayc.appendChild(overlaycontent);
	} else {
		overlaycontent = document.getElementById('overlaycontent');
		document.getElementById('overlay').style.display = 'block';
		document.getElementById('overlaycnt').style.display = 'block';
	}

	// alert(document.getElementById('overlay'));

	overlaycontent.innerHTML = '<img src="decorado/icon_salir.gif" border="0" style="float: right; cursor: pointer;" onclick="cerrarLayer()" />';

	switch (tipo) {
		default: case 1:
			overlaycontent.innerHTML += content;
		break;

		case 2:
			$.get(content, {date: new Date()}, function(data) { overlaycontent.innerHTML += data; });
		break;
	}

}

function cerrarLayer() {
	$('#overlay').hide();
	$('#overlaycnt').hide();						
}