var ajaxobject_array=[];
var ajax_endfunction_array=[];
var ajax_timeout_array=[];
var ajax_array_index=0;

function GetXmlHttpObject()
{   
    var objXMLHttp=null;
    if (window.XMLHttpRequest)
        {
            objXMLHttp=new XMLHttpRequest();
        }
    else if (window.ActiveXObject)
        {
            objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
            if (objXMLHttp==null)
                objXMLHttp=new ActiveXObject("Msxml2.XMLHTTP");
        }
    return objXMLHttp;
}

function lgp_ajax_statechange(index)
{
    if (ajaxobject_array[(0+index)].readyState==4 || ajaxobject_array[(0+index)].readyState=="complete")
        {
	    if (ajaxobject_array[(0+index)].status==200)
		ajax_endfunction_array[(0+index)](ajaxobject_array[(0+index)].responseText);
	    else
		ajax_endfunction_array[(0+index)]("");

	    ajaxobject_array[(0+index)]=null;
	    ajax_endfunction_array[(0+index)]=null;
	    clearTimeout(ajax_timeout_array[(0+index)]);
	    ajax_timeout_array[(0+index)]=null;
	}
}


function lgp_ajax_timeout(index)
{
    ajax_endfunction_array[(0+index)]("");
    ajaxobject_array[(0+index)]=null;
    ajax_endfunction_array[(0+index)]=null;
    ajax_timeout_array[(0+index)]=null;
}

function lgp_ajax(ajax_url,end_function)
{
    var this_handler;
    
    this_handler=ajax_array_index++;

    ajax_endfunction_array[this_handler]=end_function;
    
    ajaxobject_array[this_handler]=GetXmlHttpObject();
    
    ajaxobject_array[this_handler].onreadystatechange=new Function('lgp_ajax_statechange('+this_handler+')');
    ajaxobject_array[this_handler].open("GET",ajax_url,true);
    ajaxobject_array[this_handler].send(null);

    ajax_timeout_array[this_handler]=setTimeout(new Function('lgp_ajax_timeout('+this_handler+')'),180000);
    
    return;
}

/* 
   THIS APPLIES TO URLENCODE AND URLDECODE
 * More info at: http://kevin.vanzonneveld.net/techblog/category/php2js
 * 
 * php.js is copyright 2008 Kevin van Zonneveld.
 * 
 * Portions copyright Ates Goral (http://magnetiq.com), Legaev Andrey,
 * _argos, Jonas Raoni Soares Silva (http://www.jsfromhell.com),
 * Webtoolkit.info (http://www.webtoolkit.info/), Carlos R. L. Rodrigues, Ash
 * Searle (http://hexmen.com/blog/), Tyler Akins (http://rumkin.com), mdsjack
 * (http://www.mdsjack.bo.it), Alexander Ermolaev
 * (http://snippets.dzone.com/user/AlexanderErmolaev), Andrea Giammarchi
 * (http://webreflection.blogspot.com), Bayron Guevara, Cord, David, Karol
 * Kowalski, Leslie Hoare, Lincoln Ramsay, Mick@el, Nick Callen, Peter-Paul
 * Koch (http://www.quirksmode.org/js/beat.html), Philippe Baumann, Steve
 * Clay, booeyOH
 * 
 * Licensed under the MIT (MIT-LICENSE.txt) license.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL KEVIN VAN ZONNEVELD BE LIABLE FOR ANY CLAIM, DAMAGES 
 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
 * OTHER DEALINGS IN THE SOFTWARE.
 */
function urlencode( str ) {
    // http://kevin.vanzonneveld.net
    // +   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)
    // %          note: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // *     example 1: urlencode('Kevin van Zonneveld!');
    // *     returns 1: 'Kevin+van+Zonneveld%21'
    // *     example 2: urlencode('http://kevin.vanzonneveld.net/');
    // *     returns 2: 'http%3A%2F%2Fkevin.vanzonneveld.net%2F'
    // *     example 3: urlencode('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');
    // *     returns 3: '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'
                                     
    var histogram = {}, histogram_r = {}, code = 0, tmp_arr = [];
    var ret = str.toString();
    
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // The histogram is identical to the one in urldecode.
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    
    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);
    
    for (search in histogram) {
        replace = histogram[search];
        ret = replacer(search, replace, ret) // Custom replace. No regexing
	    }
    
    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
	    return "%"+m2.toUpperCase();
	});
    
    return ret;
}

function urldecode( str ) {
    // http://kevin.vanzonneveld.net
    // +   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)
    // %          note: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // *     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'
    
    var histogram = {}, histogram_r = {}, code = 0, str_tmp = [];
    var ret = str.toString();
    
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // The histogram is identical to the one in urlencode.
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    
    for (replace in histogram) {
        search = histogram[replace]; // Switch order when decoding
        ret = replacer(search, replace, ret) // Custom replace. No regexing   
	    }
    
    // End with decodeURIComponent, which most resembles PHP's encoding functions
    ret = decodeURIComponent(ret);
 
    return ret;
}