/*



Selector de provincias y localidades Ajax - non intrusive - Cross browser 



Copyright (C)Iñaki Gorostiza Esquerdeiro



http://www.hellogoogle.com



webmaster@hellogoogle.com 



This program is free software; you can redistribute it and/or



modify it under the terms of the GNU General Public License



as published by the Free Software Foundation; either version 2



of the License, or any later version.







This program is distributed in the hope that it will be useful,



but WITHOUT ANY WARRANTY; without even the implied warranty of



MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the



GNU General Public License for more details.







You should have received a copy of the GNU General Public License



along with this program; if not, write to the Free Software



Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.



*/







var XmlHttpObj;











var Utf8 = {







    //Convierte de UTF-8 a ISO



    decode : function (utftext) {



        var string = "";



        var i = 0;



        var c = c1 = c2 = 0;







        while ( i < utftext.length ) {







            c = utftext.charCodeAt(i);







            if (c < 128) {



                string += String.fromCharCode(c);



                i++;



            }



            else if((c > 191) && (c < 224)) {



                c2 = utftext.charCodeAt(i+1);



                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));



                i += 2;



            }



            else {



                c2 = utftext.charCodeAt(i+1);



                c3 = utftext.charCodeAt(i+2);



                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));



                i += 3;



            }







        }







        return string;



    }







}







function CreateXmlHttpObj()



{



	try



	{



		XmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP");



	



	}



	catch(e)



	{



		try



		{



			XmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");



		} 



		catch(oc)



		{



			XmlHttpObj = null;



		}



	}



		if(!XmlHttpObj && typeof XMLHttpRequest != "undefined") 



	{



		XmlHttpObj = new XMLHttpRequest();



	}



}







function provinciaListOnChange() {



var to=document.getElementById("advice");



to.innerHTML="<img src='http://solinte.com/wp-content/themes/theme/img/loading.gif' align='absmiddle'>";



    var provinciaList = document.getElementById("provinciaList");



 



    var selectedprovincia = provinciaList.options[provinciaList.selectedIndex].value;



    var requestUrl;







     requestUrl = "http://solinte.com/wp-content/themes/theme/js/xml_data_provider.php" + "?filter=" + encodeURIComponent(selectedprovincia);



    



	CreateXmlHttpObj();



	



	if(XmlHttpObj)



	{



	



		XmlHttpObj.onreadystatechange = StateChangeHandler;



		XmlHttpObj.open( "POST", requestUrl, true );



		XmlHttpObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");



		XmlHttpObj.send('');		



	}



}











function StateChangeHandler()



{



	if(XmlHttpObj.readyState == 4)



	{



		if(XmlHttpObj.status == 200)



		{			



			PopulatelocalidadList(XmlHttpObj.responseXML.documentElement);



		}



		else



		{



			alert("Código de error: "  + XmlHttpObj.status);



		}



	}



}







function PopulatelocalidadList(localidadNode)



{	



    var localidadList = document.getElementById("localidadList");



	for (var count = localidadList.options.length-1; count >-1; count--)



	{



		localidadList.options[count] = null;



	}







	var localidadNodes = localidadNode.getElementsByTagName('localidad');



	var textValue; 



	var optionItem;



	for (var count = 0; count < localidadNodes.length; count++)



	{ 



   		textValue = Utf8.decode(GetInnerText(localidadNodes[count]));



		idValue=count;		



		optionItem = new Option( textValue, textValue,  false, false);



		localidadList.options[localidadList.length] = optionItem;



	}



var to=document.getElementById("advice");



to.innerHTML="";



}







function GetInnerText (node)



{



	 return (node.textContent || node.innerText || node.text) ;



}