var is_ie=((navigator.userAgent.toLowerCase().indexOf("msie") != -1) && (navigator.userAgent.toLowerCase().indexOf("opera") == -1));

function popup(w,h,innerPop,isFrame){
	
	y=30;
	//document.body.style.display="block";
	var capa=document.createElement('div');
	capa.id="marcoPop";
	capa.style.position='fixed';
	capa.style.zIndex=200;
	capa.style.width=(screen.width - 18) + "px";
	capa.style.height="700px";
	//capa.style.display='block';
	capa.style.backgroundColor='#000000';
	capa.style.opacity="0.5";
	capa.style.filter="alpha(opacity='0')";
	capa.style.top="0px";
	capa.style.left="0px";
	document.body.appendChild(capa);
	
	capa=document.createElement('div');
	capa.id="popContent";
	capa.style.position='fixed';
	capa.style.zIndex=201;
	capa.style.width=w+"px";
	capa.style.height=h+"px";
	capa.style.backgroundColor='#ffffff';
	capa.style.border="1px solid";
	capa.style.borderColor='#0060aa';
	capa.style.top=y+"px";
	capa.style.left=(screen.width/2)-(w/2)+"px";
	
	if(isFrame==0){
	capa.innerHTML=document.getElementById(innerPop).innerHTML;
	} else {
		var marco=document.createElement('iframe');
		cadenaHTML=" <font face='Verdana,Arial,Helvetica,sans-serif' size='2' color='#000000'>";
		cadenaHTML+=" <table border='0' align='center' width='100%' bgcolor='#F7BA00'>";
		cadenaHTML+="  <tr>";
		cadenaHTML+="	<td align='left'><b>LA SALA CLUB</b></td>";
		cadenaHTML+="	<td align='right'><a onclick='cierraCapa2();' style='CURSOR: pointer'><b><font face='Verdana,Arial,Helvetica,sans-serif' size='2' color='#000000'>Cerrar</font></b></a> </td>";
		cadenaHTML+="  </tr>";
		cadenaHTML+=" </table>";
		cadenaHTML+="</font>";
		capa.innerHTML=cadenaHTML;
		
		marco.style.width=w+'px';
		marco.style.height=h+'px';
		marco.style.border='none';
		marco.src=innerPop;
		capa.appendChild(marco);
	}
	document.body.appendChild(capa);
}

function nuevoAjax(){
	var xmlhttp=false;
 	try {
 		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 	} catch (e) {
 		try {
 			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
 		} catch (E) {
 			xmlhttp = false;
 		}
  	}

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

function cargaCiudad(capa,id){
	var campo="";
	switch(capa){
		case "nacimiento"	:	capa="capaCiunac"; campo="institucion"; break;
	}
	document.getElementById(capa).innerHTML="<select disabled><option value=''>Cargando...</option></select>";
	peticion=nuevoAjax();	
  	peticion.open("GET", "componentes/ciudad.php?id=" + id + "&campo=" + campo, true);
  	peticion.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=ISO-8859-1');
	peticion.onreadystatechange=function(){
        if (peticion.readyState==4){
            document.getElementById(capa).innerHTML = peticion.responseText;
        }
    }
    peticion.send(null);
}

function validaForms(f,campos){
	nombre="";
	datos=campos.split(",");
	for(i=0; i<datos.length; i++){
		if(eval(f + "." + datos[i] + ".value==''")){
			nombre=eval(f + "." + datos[i] + ".name");
			i=datos.length;
		}
	}
	if(nombre!=""){
		alert("Debes diligenciar todos los campos marcados con *.");
		eval(f + "." + nombre + ".focus()");
	} else {
		eval(f + ".submit()");parent.popup(910,520,'usuarios.php?update=succes',1);parent.document.body.removeChild(parent.document.getElementById('marcoPop')); parent.document.body.removeChild(parent.document.getElementById('popContent'));
	}
}