startList = function() {
	var menu = document.getElementById("main_menu").getElementsByTagName("div");
	for (var i=0; i<menu.length; i++) {
		if(menu[i].className=="item_menu_with_border_over"){
			var last_show_id="sub"+menu[i].getAttribute("id");
		}
		menu[i].onmouseover = function() {
			if(this.getAttribute("class")!="item_menu_with_border_over"){
				var show_id=this.getAttribute("id");
				show_id="sub"+show_id;
				document.getElementById(last_show_id).style.display = "none";
				for (var j=0; j<menu.length; j++) {
					menu[j].className = menu[j].className.replace(new RegExp("_over\\b"), ""); 
				}
				document.getElementById(show_id).style.display = "block";
				this.className += "_over"; 
				last_show_id=show_id;
			}
		}
	}
}
$(document).ready(startList);

var hotMessages = function(){
	var hotM = this;
	var messageBox = $('div.hot-messages');
	var buttonShow = $('div.action-messages.show',messageBox);
	var buttonHide = $('div.action-messages.hide',messageBox);
	var messageBlocks = $(' > div.inline-block > div[class!=fixed]',messageBox);
	buttonHide.bind('click', function(){
		messageBlocks.animate({opacity: '0'}, 'slow', function(){
			buttonHide.hide();
			buttonShow.show();
			messageBlocks.attr('class', 'b-hide')
		});
		return false;
	});

	buttonShow.bind('click', function(){
		messageBlocks.attr('class', 'b-show').css('opacity', '0');
		messageBlocks.animate({opacity: '1'}, 'slow', function(){
			buttonShow.hide();
			buttonHide.show();
		});
		return false;
	});
}
$(document).ready(hotMessages);

function show_calendar(Show){
	if(Show){
		document.getElementById('calendar').style.display="block"; 
		document.getElementById('calendar').style.width="130px"; 
		document.getElementById('show_calendar').style.display="none"; 
		document.getElementById('hide_calendar').style.display="block"; 
	} else {
		document.getElementById('calendar').style.display="none"; 
		document.getElementById('calendar').style.width="0px"; 
		document.getElementById('show_calendar').style.display="block"; 
		document.getElementById('hide_calendar').style.display="none"; 
	}
}
function cdtime(container, targetdate, newtime){
	if (!document.getElementById || !document.getElementById(container)) return
	this.container=document.getElementById(container)
	this.currentTime=new Date(newtime)
	this.targetdate=new Date(targetdate)
	this.timesup=false
	this.updateTime()
}

cdtime.prototype.updateTime=function(){
	var thisobj=this
	this.currentTime.setSeconds(this.currentTime.getSeconds()+1)
	setTimeout(function(){
		thisobj.updateTime()
		}, 1000) //update time every second
}

cdtime.prototype.displaycountdown=function(baseunit, functionref){
	this.baseunit=baseunit
	this.formatresults=functionref
	this.showresults()
}

cdtime.prototype.showresults=function(){
	var thisobj=this


	var timediff=(this.targetdate-this.currentTime)/1000 //difference btw target date and current date, in seconds
	if (timediff<0){ //if time is up
		this.timesup=true
		this.container.innerHTML=this.formatresults()
		return
	}
	var oneMinute=60 //minute unit in seconds
	var oneHour=60*60 //hour unit in seconds
	var oneDay=60*60*24 //day unit in seconds
	var dayfield=Math.floor(timediff/oneDay)
	var hourfield=Math.floor((timediff-dayfield*oneDay)/oneHour)
	var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute)
	var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute))
	if (this.baseunit=="hours"){ //if base unit is hours, set "hourfield" to be topmost level
		hourfield=dayfield*24+hourfield
		dayfield="n/a"
	}
	else if (this.baseunit=="minutes"){ //if base unit is minutes, set "minutefield" to be topmost level
		minutefield=dayfield*24*60+hourfield*60+minutefield
		dayfield=hourfield="n/a"
	}
	else if (this.baseunit=="seconds"){ //if base unit is seconds, set "secondfield" to be topmost level
		var secondfield=timediff
		dayfield=hourfield=minutefield="n/a"
	}
	this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield)
	setTimeout(function(){
		thisobj.showresults()
		}, 1000) //update results every second
}



//The values of these arguments may change depending on the "baseunit" parameter of cdtime.displaycountdown()
//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc


function formatresults(){
	if (this.timesup==false){//if target date/time not yet met
		var displaystring='<span class="countdown_text">До БМШ-2010 осталось: </span><span class="days_value">'+arguments[0]+'</span><span class="days"> дня</span> <span class="hours_value">'+arguments[1]+'</span><span class="hours"> часов </span><span class="minutes_value">'+arguments[2]+'</span><span class="minutes"> минут</span> <span class="seconds_value">'+arguments[3]+'<span class="seconds"> секунд. </span>'
	}
	else{ //else if target date/time met
		var displaystring="<span class='countdown_text'>«БайкалМоторШоу» началось!</span>"
	}
	return displaystring
}