var STR_PAD_LEFT    = 1;
var STR_PAD_RIGHT   = 2;
var STR_PAD_BOTH    = 3;

// ʳëüê³ñòü äí³â ó ì³ñÿö³
var monthDates = [0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

// Ìàñèâè ñèìâîë³â
var digits      = '0123456789';
var ukrainian   = 'ÀÁÂÃ¥ÄŪÆDzȯÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÜÞßÚ';
var english     = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var service     = [0, 8, 9, 13, 16, 35, 36, 37, 38, 39, 40];

var charTrim    = '- /:@.,';
var charDouble  = '- /:@.,"\'()';

var rDate       = /^\d{2}\.\d{2}\.\d{4}$/;
var rEMail      = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;

// Ïîìèëêè
var msgElement      = 'Íåïðàâèëüíî âêàçàíî åëåìåíò';
var msgFieldEmpty   = 'Ïîëå "%s" íå çàïîâíåíî!';
var msgFieldFormat  = 'Ïîëå "%s" çàïîâíåíî íåïðàâèëüíî!';
var msgFieldDate    = 'Â ïîë³ "%s" âêàçàíî íåïðàâèëüíó äàòó!';
var msgFieldEMail   = 'Â ïîë³ "%s" âêàçàíî íåïðàâèëüíèé e-mail!';

function normalize(str) {
    str = str.replace(RegExp('^[' + charTrim + ']+'), '').replace(RegExp('[' + charTrim + ']+$'), '');
    $.each(charDouble, function() {
        str = str.replace(RegExp('[' + this + ']+', 'g'), this);
    });
    return str.replace(/"/g, '\'');
}

function capitalize(str) {
    var rLower = RegExp('[' + ukrainian + ']', 'gi');
    var rUpper = RegExp('[- ][' + ukrainian + ']', 'gi');
    str = (' ' + str.replace(rLower, function(m) { return m.toLowerCase() })).
        replace(rUpper, function(m) { return m.toUpperCase() }).
        substr(1);
    $.each(charTatar, function () {
        str = str.replace(RegExp(this + '$', 'gi'), this);
    });
    return str;
}

function highlightInput () {
    $('form :text, form :password, form select, form textarea').
        focus( function() { $(this).addClass('a_input') } ).
        blur ( function() { $(this).removeClass('a_input') } );
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////
function isDate(pDate) {
    if (rDate.test(pDate)) {
        var aDate = pDate.split('.');
        return ((aDate[1] > 12) || (aDate[2] < 1900) || (aDate[2] > 2000) || (aDate[0] > monthDates[1 * aDate[1]])) ? false : true;
    } else return false;
}

function isEMail(pEMail) {
    return rEMail.test(pEMail);
}

/////////////////////////////////////////////////////////////////////////////////////////////////////
function sprintf ( ) {
    // Return a formatted string
    //
    // version: 909.322
    // discuss at: http://phpjs.org/functions/sprintf
    // +   original by: Ash Searle (http://hexmen.com/blog/)
    // + namespaced by: Michael White (http://getsprink.com)
    // +    tweaked by: Jack
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Paulo Ricardo F. Santos
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: sprintf("%01.2f", 123.1);
    // *     returns 1: 123.10
    // *     example 2: sprintf("[%10s]", 'monkey');
    // *     returns 2: '[    monkey]'
    // *     example 3: sprintf("[%'#10s]", 'monkey');
    // *     returns 3: '[####monkey]'
    var regex = /%%|%(\d+\$)?([-+\'#0 ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([scboxXuidfegEG])/g;
    var a = arguments, i = 0, format = a[i++];

    // pad()
    var pad = function (str, len, chr, leftJustify) {
        if (!chr) {chr = ' ';}
        var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
        return leftJustify ? str + padding : padding + str;
    };

    // justify()
    var justify = function (value, prefix, leftJustify, minWidth, zeroPad, customPadChar) {
        var diff = minWidth - value.length;
        if (diff > 0) {
            if (leftJustify || !zeroPad) {
                value = pad(value, minWidth, customPadChar, leftJustify);
            } else {
                value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
            }
        }
        return value;
    };

    // formatBaseX()
    var formatBaseX = function (value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
        // Note: casts negative numbers to positive ones
        var number = value >>> 0;
        prefix = prefix && number && {'2': '0b', '8': '0', '16': '0x'}[base] || '';
        value = prefix + pad(number.toString(base), precision || 0, '0', false);
        return justify(value, prefix, leftJustify, minWidth, zeroPad);
    };

    // formatString()
    var formatString = function (value, leftJustify, minWidth, precision, zeroPad, customPadChar) {
        if (precision != null) {
            value = value.slice(0, precision);
        }
        return justify(value, '', leftJustify, minWidth, zeroPad, customPadChar);
    };

    // doFormat()
    var doFormat = function (substring, valueIndex, flags, minWidth, _, precision, type) {
        var number;
        var prefix;
        var method;
        var textTransform;
        var value;

        if (substring == '%%') {return '%';}

        // parse flags
        var leftJustify = false, positivePrefix = '', zeroPad = false, prefixBaseX = false, customPadChar = ' ';
        var flagsl = flags.length;
        for (var j = 0; flags && j < flagsl; j++) {
            switch (flags.charAt(j)) {
                case ' ': positivePrefix = ' '; break;
                case '+': positivePrefix = '+'; break;
                case '-': leftJustify = true; break;
                case "'": customPadChar = flags.charAt(j+1); break;
                case '0': zeroPad = true; break;
                case '#': prefixBaseX = true; break;
            }
        }

        // parameters may be null, undefined, empty-string or real valued
        // we want to ignore null, undefined and empty-string values
        if (!minWidth) {
            minWidth = 0;
        } else if (minWidth == '*') {
            minWidth = +a[i++];
        } else if (minWidth.charAt(0) == '*') {
            minWidth = +a[minWidth.slice(1, -1)];
        } else {
            minWidth = +minWidth;
        }

        // Note: undocumented perl feature:
        if (minWidth < 0) {
            minWidth = -minWidth;
            leftJustify = true;
        }

        if (!isFinite(minWidth)) {
            throw new Error('sprintf: (minimum-)width must be finite');
        }

        if (!precision) {
            precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : undefined;
        } else if (precision == '*') {
            precision = +a[i++];
        } else if (precision.charAt(0) == '*') {
            precision = +a[precision.slice(1, -1)];
        } else {
            precision = +precision;
        }

        // grab value using valueIndex if required?
        value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];

        switch (type) {
            case 's': return formatString(String(value), leftJustify, minWidth, precision, zeroPad, customPadChar);
            case 'c': return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
            case 'b': return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'o': return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'x': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'X': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad).toUpperCase();
            case 'u': return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'i':
            case 'd':
                number = parseInt(+value, 10);
                prefix = number < 0 ? '-' : positivePrefix;
                value = prefix + pad(String(Math.abs(number)), precision, '0', false);
                return justify(value, prefix, leftJustify, minWidth, zeroPad);
            case 'e':
            case 'E':
            case 'f':
            case 'F':
            case 'g':
            case 'G':
                number = +value;
                prefix = number < 0 ? '-' : positivePrefix;
                method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
                textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
                value = prefix + Math.abs(number)[method](precision);
                return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
            default: return substring;
        }
    };

    return format.replace(regex, doFormat);
}

function pad(str, len, pad, dir) {
    if (typeof(len) == "undefined") { len = 0; }
    if (typeof(pad) == "undefined") { pad = ' '; }
    if (typeof(dir) == "undefined") { dir = STR_PAD_RIGHT; }

    if (len + 1 >= str.length) {
        switch (dir) {
            case STR_PAD_LEFT:
                str = Array(len + 1 - str.length).join(pad) + str;
		break;
            case STR_PAD_BOTH:
                var right = Math.ceil((padlen = len - str.length) / 2);
		var left = padlen - right;
		str = Array(left+1).join(pad) + str + Array(right+1).join(pad);
		break;
            default:
                str = str + Array(len + 1 - str.length).join(pad);
		break;
	}
    }
    return str;
 }

/////////////////////////////////////////////////////////////////////////////////////////////////////
function checkInputValues(pElements) {
    var er_class='rect_err';
    var msg = [];
    $.each (pElements, function () {
        if (this.elem && ($(this.elem).filter(':input').length > 0)) {
            var input = this.elem;
            var val = input.val();
            var err = '';
            var title = input.attr('title'); if (title == undefined) title = input.attr('id');
            if (!val) {
                if (!this.empty) err = sprintf(msgFieldEmpty, title);
            } else {
                if (this.regexp && !this.regexp.test(val))
                    err = sprintf(msgFieldFormat, title);
                else if (this.date && !isDate(val))
                    err = sprintf(msgFieldDate, title);
                else if (this.email && !isEMail(val))
                    err = sprintf(msgFieldEMail, title);
            }
            if (err) {
                msg.push(err);
                input.addClass(er_class);
            } else input.removeClass(er_class);
        } else msg.push(msgElement);
    } );
    if (msg.length > 0) {
        alert(msg.join('\n'));
        return false;
    } else return true;
}

/////////////////////////////////////////////////////////////////////////////////////////////////////
function checkKeyPress(allowedChars, evt) {
    var res = (allowedChars == '') || ($.inArray(evt.which, service) != -1);
    if (!res) {
        if (allowedChars.indexOf(String.fromCharCode((evt.which == undefined) ? evt.keyCode : evt.which).toUpperCase()) != -1)
            res = true;
    }
    return res;
}

/////////////////////////////////////////////////////////////////////////////////////////////////////