function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;	
	if ((id=='undefined')||(id=='')) {id='my_menu';}
	this.id = id;
	if (document.getElementById(this.id)!=null) {
	this.menu = document.getElementById(this.id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = true;
	this.speed = 2;
	this.markCurrent = true;
	this.oneSmOnly = false;}
}
SDMenu.prototype.init = function() {
	if (document.getElementById(this.id)!=null) {
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].getElementsByTagName("span")[0] != undefined ) 
		this.submenus[i].getElementsByTagName("span")[0].onclick = function() {
			mainInstance.toggleMenu(this.parentNode);
		};
	if (this.markCurrent) {
		var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) {
				links[i].className = "current";
				break;
			}
	}
	if (this.remember) {
		var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		if (match) {
			var states = match[1].split("");
			for (var i = 0; i < states.length; i++)
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
		}
	}
}};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed")
		this.expandMenu(submenu);
		//submenu.className = ""
	else
		//submenu.className= "collapsed"
		this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
	var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var links = submenu.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
	var moveBy = Math.round(this.speed * links.length);
	
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);
	this.collapseOthers(submenu);
};
SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);
};
SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};
SDMenu.prototype.expandAll = function() {
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};
SDMenu.prototype.collapseAll = function() {
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
	if (this.remember) {
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + ";";
	}
};

SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);
};
SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};

function addHandler(object, event, handler)
{
  if (typeof object.addEventListener != 'undefined')
    object.addEventListener(event, handler, false);
  else if (typeof object.attachEvent != 'undefined')
    object.attachEvent('on' + event, handler);
  else
    throw "Incompatible browser";
}


function windowonload(func) {
	addHandler (window, 'load', func);
}

var myMenu;

windowonload(function () {myMenu = new SDMenu("my_menu");myMenu.init();});


// ]]>


function checkmailform(check_form)
{
  if (check_form.mail == null) return true;
  if ( (check_form.mail.length == 0) || (check_form.mail.value.length < 7 ) )
  {
    alert("Введите правильный e-mail адрес");
    check_form.mail.focus();
    return false;
  }
  if (! (/^\w+[-_\.]*\w+@\w+-?\w+\.[a-z]{2,4}$/.test(check_form.mail.value)) )
  {
    alert("Введите правильный e-mail адрес");
    check_form.mail.focus();
    return false;
  }      
  return true;
} 

function CheckForm(check_form){
var i;
for (i=0; i<check_form.length; i++) {
	if ((check_form.elements[i].type !='hidden')&&(check_form.elements[i].name != 'mail')&&(check_form.elements[i].name != 'phone')&&(check_form.elements[i].name != 'comment')) {
		if (check_form.elements[i].value =='') {
			alert('Пожалуйста, введите все поля формы');
			check_form.elements[i].focus();
			return false;
		}
    }
}
return (checkmailform(check_form));
return true;
}