var xmlhttp;
var cssid;
var reload;

function launchAjax(str)
{
	var miserver = document.location.host.replace(/:\d+$/,'');
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
	  alert ("Browser does not support HTTP Request");
	  return;
	  }
	var url='http://' + miserver + '/' + str;
	//url=url+"?q="+str;
	//url=url+"&sid="+Math.random();
	
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("POST",url,true);
	//alert(url);
	xmlhttp.send(null);
}



function stateChanged()
{
	if (xmlhttp.readyState==4)
	{
		//alert(xmlhttp.responseText);
		//alert(cssid);
		document.getElementById(cssid).innerHTML= xmlhttp.responseText;
		if (reload) window.location.href = window.location;
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  return new XMLHttpRequest();
	  }
	if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  return new ActiveXObject("Microsoft.XMLHTTP");
	  }
	return null;
}


function urldecode (str) {
    // Decodes URL-encoded string  
    // 
    // version: 911.718
    // discuss at: http://phpjs.org/functions/urldecode
    // +   original by: Philip Peterson
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: AJ
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +      input by: travc
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Lars Fischer
    // +      input by: Ratheous
    // +   improved by: Orlando
    // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
    // %        note 1: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // %        note 2: Please be aware that this function expects to decode from UTF-8 encoded strings, as found on
    // %        note 2: pages served as UTF-8
    // *     example 1: urldecode('Kevin+van+Zonneveld%21');
    // *     returns 1: 'Kevin van Zonneveld!'
    // *     example 2: urldecode('http%3A%2F%2Fkevin.vanzonneveld.net%2F');
    // *     returns 2: 'http://kevin.vanzonneveld.net/'
    // *     example 3: urldecode('http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a');
    // *     returns 3: 'http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a'
    
    return decodeURIComponent(str).replace(/\+/g, '%20');
}



function utf8_encode ( string ) {
    // Encodes an ISO-8859-1 string to UTF-8  
    // 
    // version: 812.316
    // discuss at: http://phpjs.org/functions/utf8_encode
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: sowberry
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +   improved by: Yves Sucaet
    // +   bugfixed by: Onno Marsman
    // *     example 1: utf8_encode('Tom van Mikes');
    // *     returns 1: 'Tom van Mikes'
    string = (string+'').replace(/\r\n/g, "\n").replace(/\r/g, "\n");

    var utftext = "";
    var start, end;
    var stringl = 0;

    start = end = 0;
    stringl = string.length;
    for (var n = 0; n < stringl; n++) {
        var c1 = string.charCodeAt(n);
        var enc = null;

        if (c1 < 128) {
            end++;
        } else if((c1 > 127) && (c1 < 2048)) {
            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
        } else {
            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
        }
        if (enc != null) {
            if (end > start) {
                utftext += string.substring(start, end);
            }
            utftext += enc;
            start = end = n+1;
        }
    }

    if (end > start) {
        utftext += string.substring(start, string.length);
    }

    return utftext;
}


function utf8_decode ( str_data ) {  
    // Converts a UTF-8 encoded string to ISO-8859-1    
    //   
    // version: 810.1317  
    // discuss at: http://phpjs.org/functions/utf8_decode  
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)  
    // +      input by: Aman Gupta  
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)  
    // +   improved by: Norman "zEh" Fuchs  
    // +   bugfixed by: hitwork  
    // +   bugfixed by: Onno Marsman  
    // *     example 1: utf8_decode('Kevin van Zonneveld');  
    // *     returns 1: 'Kevin van Zonneveld'  
    var tmp_arr = [], i = ac = c1 = c2 = c3 = 0;  
  
    str_data += '';  
  
    while ( i < str_data.length ) {  
        c1 = str_data.charCodeAt(i);  
        if (c1 < 128) {  
            tmp_arr[ac++] = String.fromCharCode(c1);  
            i++;  
        } else if ((c1 > 191) && (c1 < 224)) {  
            c2 = str_data.charCodeAt(i+1);  
            tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));  
            i += 2;  
        } else {  
            c2 = str_data.charCodeAt(i+1);  
            c3 = str_data.charCodeAt(i+2);  
            tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));  
            i += 3;  
        }  
    }  
  
    return tmp_arr.join('');  
}  
  



function extract_Lang(str, idioma)
{
theleft = str.indexOf("lang=");
if (theleft== -1) return(window.location + "?lang=" + idioma);
lstring = str.substring(0,theleft + 5);
rstring = str.substring(theleft + 6,str.length);
//alert(str);
return(lstring+ idioma  + rstring);
}