var on1 = 1;
var on2 = 1;
var on3 = 1;
var on4 = 1;

function MenuOpen1()
{
	if(on1)
	{
		document.getElementById('sub10').style.display = "block";
		document.getElementById('sub11').style.display = "block";
		document.getElementById('sub12').style.display = "block";

		document.getElementById('menu1').className = "curent";
		on1 = 0;
	}
	else
	{
		document.getElementById('sub10').style.display = "none";
		document.getElementById('sub11').style.display = "none";
		document.getElementById('sub12').style.display = "none";

		document.getElementById('menu1').className = "";
		on1 = 1;
	}
}

function MenuOpen2()
{
	if(on2)
	{
		document.getElementById('sub20').style.display = "block";
		document.getElementById('sub21').style.display = "block";
		document.getElementById('sub22').style.display = "block";
		document.getElementById('sub23').style.display = "block";

		document.getElementById('menu2').className = "curent";
		on2 = 0;
	}
	else
	{
		document.getElementById('sub20').style.display = "none";
		document.getElementById('sub21').style.display = "none";
		document.getElementById('sub22').style.display = "none";
		document.getElementById('sub23').style.display = "none";

		document.getElementById('menu2').className = "";
		on2 = 1;
	}
}

function MenuOpen3()
{
	if(on3)
	{
		document.getElementById('sub30').style.display = "block";
		document.getElementById('sub31').style.display = "block";
		document.getElementById('sub32').style.display = "block";
		document.getElementById('sub33').style.display = "block";

		document.getElementById('menu3').className = "curent";
		on3 = 0;
	}
	else
	{
		document.getElementById('sub30').style.display = "none";
		document.getElementById('sub31').style.display = "none";
		document.getElementById('sub32').style.display = "none";
		document.getElementById('sub33').style.display = "none";

		document.getElementById('menu3').className = "";
		on3 = 1;
	}
}

function MenuOpen4()
{
	if(on4)
	{
		document.getElementById('sub40').style.display = "block";
		document.getElementById('sub41').style.display = "block";
		document.getElementById('sub42').style.display = "block";

		document.getElementById('menu4').className = "curent";
		on4 = 0;
	}
	else
	{
		document.getElementById('sub40').style.display = "none";
		document.getElementById('sub41').style.display = "none";
		document.getElementById('sub42').style.display = "none";

		document.getElementById('menu4').className = "";
		on4 = 1;
	}
}