var d = document;
// var jsBase = http://host/join/campaign/

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;
    }

}

function gettxt(string, from, to) {
	var first = (strpos(string, from) + from.length);
	var second = strpos(string, to, first);
	var result = '';
	if (first && second)
		result = string.substring(first, (second));
	//console.info('raw:'+string+' f:'+first+' s:'+second+' r:'+result);
	return result;
}

function strpos(haystack, needle, offset) {
	var i = (haystack+'').indexOf(needle, offset);
	return i===-1 ? false : i;
}

function transport(errorType, data, baseClass, errorClass) {
	if (typeof XMLHttpRequest == "undefined")
		XMLHttpRequest = function() {
			try { return new ActiveXObject("Msxml2.XMLHTTP.6.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP.3.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP") }     catch(e) {}
			try { return new ActiveXObject("Microsoft.XMLHTTP") }  catch(e) {}
			throw new Error( "This browser does not support XMLHttpRequest or XMLHTTP." )
		};
	var request =  new XMLHttpRequest();
	var url = jsBase+'validate/'+Base64.encode(errorType)+'/'+Base64.encode(data);
	request.open('GET', url, true);
	request.setRequestHeader("Content-Type", "application/x-javascript;");
	request.onreadystatechange = function() {
		if (request.readyState == 4 && request.status == 200) {
			if (request.responseText)
				renderError(request.responseText, errorType, baseClass, errorClass);
			else
				return false;
		} else
			return false;
	}
	request.send(null);
}

function callbackTransport(errorType, data, callback) {
	if (typeof XMLHttpRequest == "undefined")
		XMLHttpRequest = function() {
			try { return new ActiveXObject("Msxml2.XMLHTTP.6.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP.3.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP") }     catch(e) {}
			try { return new ActiveXObject("Microsoft.XMLHTTP") }  catch(e) {}
			throw new Error( "This browser does not support XMLHttpRequest or XMLHTTP." )
		};
	var request =  new XMLHttpRequest();
	var url = jsBase+'validate/'+Base64.encode(errorType)+'/'+Base64.encode(data);
	request.open('GET', url, true);
	request.setRequestHeader("Content-Type", "application/x-javascript;");
	request.onreadystatechange = function() {
		if (request.readyState == 4 && request.status == 200) {
			if (request.responseText)
				eval(callback)(request.responseText);
			else
				return false;
		} else
			return false;
	}
	request.send(null);
}

function jRequest(method, data, callback) {
	if (typeof XMLHttpRequest == "undefined")
		XMLHttpRequest = function() {
			try { return new ActiveXObject("Msxml2.XMLHTTP.6.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP.3.0") } catch(e) {}
			try { return new ActiveXObject("Msxml2.XMLHTTP") }     catch(e) {}
			try { return new ActiveXObject("Microsoft.XMLHTTP") }  catch(e) {}
			throw new Error( "This browser does not support XMLHttpRequest or XMLHTTP." )
		};
	var request =  new XMLHttpRequest();
	var url = jsBase+'request/'+Base64.encode(method)+'/'+Base64.encode(data);
	request.open('GET', url, true);
	request.setRequestHeader("Content-Type", "application/x-javascript;");
	request.onreadystatechange = function() {
		if (request.readyState == 4 && request.status == 200) {
			if (request.responseText && callback !== false)
				eval(callback)(request.responseText);
			else
				return false;
		} else
			return false;
	}
	request.send(null);
}

function checkFocus(errorType, baseClass, errorClass, varClass) {
	var currentClass;

	if (errorType == 'phone') {
		currentClass = d.getElementById('form['+errorType+'1]').className;
		if (currentClass != baseClass) {
			d.getElementById('form['+errorType+'1]').className = baseClass+' '+errorClass+' '+varClass;
			d.getElementById('form['+errorType+'2]').className = baseClass+' '+errorClass+' '+varClass;
			d.getElementById('form['+errorType+'3]').className = baseClass+' '+errorClass+' '+varClass;
		}
	} else if (errorType == 'city' || errorType == 'bill_city') {
		if (jsBase == 't6/') {
			if (d.getElementById('suggestCityList').innerHTML != '')
				d.getElementById('suggestCityList').style.display = 'block';
		}
	} else {
		currentClass = d.getElementById('form['+errorType+']').className;
		if (currentClass != baseClass)
			d.getElementById('form['+errorType+']').className = baseClass+' '+errorClass+' '+varClass;
	}
}

function checkBlur(errorType, baseClass, errorClass) {
	var data;

	if (errorType == 'phone') {
		var phone1 = d.getElementById('form['+errorType+'1]').value;
		var phone2 = d.getElementById('form['+errorType+'2]').value;
		var phone3 = d.getElementById('form['+errorType+'3]').value;
		data = (phone1+'-'+phone2+'-'+phone3);
	} else if (errorType == 'city' || errorType == 'bill_city') {
		if (jsBase == 't6/') {
			if (d.getElementById('suggestCityList').style.display == 'block')
				return true;
		}
		data = d.getElementById('form['+errorType+']').value;
	} else if (errorType == 'card_exp') {
		var y = d.getElementById('form[card_year]').value;
		var m = d.getElementById('form[card_month]').value;
		data = (y+'-'+m);
		if (m != '' && y == '')
			return true;
	} else
		data = d.getElementById('form['+errorType+']').value;

	transport(errorType, data, baseClass, errorClass);
}

function openWindowScroll(url, popW, popH) {
	var w = window.screen.width;
	var h = window.screen.height;

	popW = popW +6;
	popH = popH+45;

	var leftPos = (w-popW)/2;
	var topPos = (h-popH)/2;
	var options = 'width=' + popW + ',height=' + popH + ',top=' + topPos + ',left='+leftPos + ',resizable=1, status=0, titlebar=0 ,scrollbars=1';
	var regExStr = /add_to_favorites/i;
	var k;

	if (regExStr.test (url))
		k = window.open(url,'add_to_favorites',options);
	else
		k = window.open(url,'new_win',options);

	k.resizeTo(popW,popH);
	return k;
}