var http_request = false;
	var loader = jQuery('<div id="loader" style="z-index:15;"><img src="_img/loadingAnimation.gif" alt="loading..." /></div>')
		.css({position: "fixed", top: "40%", left: "45%"})
		.hide()
		.appendTo("body");

	function makeRequest(url, parameters) 
   { 
	   	if (window.XMLHttpRequest) 
		{ // Mozilla, Safari,... 
		   http_request = new XMLHttpRequest(); 
	   	} 
		else if (window.ActiveXObject) 
		{ // IE 
		   http_request = new ActiveXObject("Microsoft.XMLHTTP"); 
	   	} 

		var contentType = "application/x-www-form-urlencoded; charset=UTF-8";

	   	http_request.onreadystatechange = alertContents; 

		$("#loader").show();

	   	http_request.open('POST', url, true); 
		http_request.setRequestHeader("Content-Type", contentType);
	   	http_request.send(parameters); 
   } 


   function alertContents() 
   { 
	   	if (http_request.readyState == 4) 
		{
			$("#loader").fadeOut("fast");
		   	if (http_request.status == 200) 
			{ 
		 		var resp_text = http_request.responseText; 
				
				if (resp_text = 3) {
					alert ("Message envoyé avec succès - Message sent successfully");
				} else if (resp_text = 1) {
					alert ("Limite quotidienne de message atteinte - Daily limit of messages reached");
				} else {
					alert ("Erreur lors de l'envoi du message - Error while sending the message");
				}
		   	} 
			else 
			{ 
				alert('Il y a eu un problème avec la requête envoyée.  Veuillez réessayer plus tard.'); 
		   	} 
	   	} 
   } 

   function callSmsApi (unique_id, phone_number, language) {
		
		var sms_api = "send.pl";
		var encoded_site = "";
		
		if (language == "fr") {
			encoded_site = Base64.encode("m.fr.canoe.ca");
		} else if (language == "en") {
			encoded_site = Base64.encode("m.en.canoe.ca");
		}
		
		var params = "uid="+unique_id+"&phone="+phone_number+"&lang="+language+"&site="+encoded_site;
		makeRequest(sms_api, params);
		
   }
   

/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

var Base64 = {

    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_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;
    }

}