function activarAlertas (mensajeInicial){
	objetoCapaAlertas=new objetoCapa('capaAlertas');
	objetoCapaAlertas.ocultar();
	if (typeof(mensajeInicial)!='undefined' && mensajeInicial!='') mostrarAlerta(mensajeInicial)
}

function mostrarAlerta( mensaje, x, y , mostrarCerrar ){
	if (objetoCapaAlertas) {
		objetoCapaAlertas.ocultar();
		
		 alerta="<table width='300' border='0' cellspacing='0' cellpadding='0'>";
		 alerta+=" <tr > ";
		 alerta+="   <td height='1' colspan='5' width='1' bgcolor='#87A50E'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td width='3'></td>";
		 alerta+=" </tr>";
		 alerta+=" <tr> ";
		 alerta+="   <td height='1' width='1' bgcolor='87A50E'><img src='img/comunes/pixel.gif' width='1' height='8'></td>";
		 alerta+="   <td bgcolor='AEBC0F' colspan='3' valign='bottom' class='verdana11negro'><img src='img/comunes/alerta.gif'></td>";
		 alerta+="   <td height='1' width='1' bgcolor='#87A50E'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td width='3' bgcolor='#666666' valign='top'><img src='img/comunes/pixel.gif' width='3' height='6'></td>";
		 alerta+=" </tr>";
		 alerta+=" <tr> ";
		 alerta+="   <td height='1' width='1' bgcolor='87A50E'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td bgcolor='#FFFFFF' width='5'></td>";
		 alerta+="   <td bgcolor='#FFFFFF' class='verdana11negroi' height='48' align='left'><br>";
		 alerta+= mensaje;
		 alerta+="   <br></td>";
		 alerta+="   <td bgcolor='#FFFFFF' width='5'></td>";
		 alerta+="   <td height='1' width='1' bgcolor='87A50E'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td width='3' bgcolor='#666666'></td>";
		 alerta+=" </tr>";
		 alerta+=" <tr> ";
		 alerta+="   <td height='1' width='1' bgcolor='87A50E'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td height='38' align='right' valign='middle' bgcolor='#FFFFFF'  colspan='3'><a href='javascript:void(null)' onClick='objetoCapaAlertas.ocultar();objetoCapaAlertas.escribecapa()' onFocus='blur()'><img src='img/aceptar.gif' width='54' height='17' border='0'></a> ";
		 alerta+="     &nbsp;&nbsp;&nbsp;&nbsp;</td>";
		 alerta+="   <td height='1' width='1' bgcolor='87A50E'><img src='img/comunes/pixel.gif' width='1' height='22'></td>";
		 alerta+="   <td width='3' bgcolor='#666666'></td>";
		 alerta+=" </tr>";
		 alerta+=" <tr > ";
		 alerta+="   <td height='1' colspan='5' width='1' bgcolor='87A50E'><img src='../img/gestor/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td width='3' bgcolor='#666666'></td>";
		 alerta+=" </tr>";
		 alerta+=" <tr> ";
		 alerta+="   <td height='3' align='right'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td height='3' align='right'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+="   <td height='3' colspan='4' align='right' bgcolor='666666'><img src='img/comunes/pixel.gif' width='1' height='1'></td>";
		 alerta+=" </tr>";
		 alerta+="</table>";		 

		 

		objetoCapaAlertas.escribecapa(alerta);
		if (typeof(x)!='undefined'&&typeof(y)!='undefined') objetoCapaAlertas.mover_a(x,y)
		else objetoCapaAlertas.mover_a(200,40)
		objetoCapaAlertas.mostrar()
		window.scrollTo(0,0)
	
	}
}