function shmenu(M) 
{
  	if(!document.getElementById)	return

    var menu = document.getElementById(M);
    if (menu.style.display=="none") {
  		menu.style.display=''
	} else {
  		menu.style.display="none";
	}  
}

function NavigateLink (event)
{
    if (!document.getElementById) return;
    if (window.event) event = window.event;
	if (event.ctrlKey)
	{
		var link = null;
		var href = null;
		switch (event.keyCode ? event.keyCode : event.which ? event.which : null)
		    {
			case 0x25:
				link = document.getElementById ('previous');
				break;
			case 0x27:
				link = document.getElementById ('next');
				break;
		    }
     if (link) document.location = link.href;
	}
}

function checkSearch(k){
	if (document.getElementById(k).value){
		return true;
	} else {
		alert('Введите строку поиска');
		return false;
	}
}
		
function checkAuthForm(mail,pass)
{
	email=document.getElementById(mail).value;
	var exmail=/^[a-z\.\-_0-9]+@[a-z\.\-0-9]+\.[a-z]{2,6}$/i;
	if (email && !exmail.test(email)){ 
		alert('Адрес электронной почты был введен некорректно'); 
		return false;
	}
	if( !document.getElementById(mail).value ||	!document.getElementById(pass).value ){	
		alert('Не заполнены обязательные к заполнению поля'); 
		return false;
	}
}

function ctrlEnter(event, buttom)
{
	if((event.ctrlKey) && ((event.keyCode == 0xA)||(event.keyCode == 0xD)))	document.getElementById(buttom).click();
}

function showChild(a)
{
	if(a.parentNode.className!='show') a.parentNode.className='show';
	else a.parentNode.className='';
	return false;
}
 
function resizeBody()
{
	document.getElementById('maincontent').style.height = document.body.offsetHeight - document.getElementById('bodytop').offsetHeight - 107 + 'px';
}

window.onload = resizeBody;
window.onresize = resizeBody;
document.onkeydown = NavigateLink;

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

function showRegions(){
	if($('#overlay').length > 0){
		$('#overlay').show();
		$('#owindow').show();
	}else{
		$("<div id='overlay'></div><div id='owindow'></div>").appendTo('body');
		$('#owindow').css({'left': ($(document).width() - 700) / 2});
		$('#overlay').height($(document).height());
		$('#overlay').click( function() {
			$(this).hide();
			$('#owindow').hide();
			return true;
		});
		$('#owindow').load('/scripts/select.php','', function(responseText, textStatus, XMLHttpRequest){
			$('<a id="rsclose" href="#">закрыть [x]</a>').prependTo('#owindow');
			$('#rsclose').click( function() {
				$('#overlay').hide();
				$('#owindow').hide();
				return false;
			});
			$('<div id="rshead">Выберите ваш город:</div>').prependTo('#owindow .cityselect');
			$('#overlay').height($(document).height());
		});
	}
	return false;
}

$(document).ready(function () {
	$('#rselect a').click( function() {
		showRegions();
		return false;
	});
	if($('#region_helper').length > 0){
		$('#region_helper .close').click( function() {
			$('#region_helper').remove();
			$.cookie('region_helper', 2, { expires: 365, path: '/', domain: 'svadba66.ru' });
			return false;
		});
	}
});