var obXHR;
try{	obXHR=new XMLHttpRequest();
}catch(err){
   	try{	obXHR=new ActiveXObject("Msxml2.XMLHTTP");
	}catch(err){
		try{	obXHR=new ActiveXObject("Microsoft.XMLHTTP");
		}catch(err){
			obXHR=false;
		}
    }
}
function cargar(url,obId) {
    var obCon = document.getElementById(obId);
//	alert("Prueba: "+obCon);
    obXHR.open("GET",url);
    obXHR.onreadystatechange = function(){
		if (obXHR.readyState == 4 && obXHR.status == 200){
		    obXML = obXHR.responseXML;
		    obCod = obXML.getElementsByTagName("codigo");
	    	obDes = obXML.getElementsByTagName("nombre");
		    obCon.length=obCod.length;
		    for (var i=0; i<obCod.length;i++) {
				obCon.options[i].value=obCod[i].firstChild.nodeValue;
				obCon.options[i].text=obDes[i].firstChild.nodeValue;
			}
		}
    }
    obXHR.send(null);
}
//----------------------------------------------------------------------------------
function ActivarUbigeo(ti,val){
	switch(ti){
		case 1:
			cargar('a_selectdepartamento.php','depa')
			document.agregarabog.depa.disabled=false;
			break;
		case 2:
			cargar('a_selectprovincia.php?idd='+val,'prov')
			document.agregarabog.prov.disabled=false;
			break;
		case 3:
			cargar('a_selectdistrito.php?idp='+val,'dist')
			document.agregarabog.dist.disabled=false;
			break;
	}
}
//***************************************************************