function btn_main()
{
	location.href="main.htm";
}

function btn_1_1()
{
	location.href="sub1_1.htm";
}

function btn_1_2()
{
	location.href="sub1_1.htm";
}

function btn_1_3()
{
	location.href="sub1_1.htm";
}



function btn_2_1()
{
	location.href="sub2_1.htm";
}

function btn_2_2()
{
	location.href="sub2_1.htm";
}

function btn_2_3()
{
	location.href="sub2_1.htm";
}

function btn_2_4()
{
	location.href="sub2_1.htm";
}



function btn_3_1()
{
	location.href="sub3_1.htm";
}

function btn_3_2()
{
	location.href="sub3_1.htm";
}


function btn_4_1()
{
	location.href="sub4_1.htm";
}

function btn_4_2()
{
	location.href="sub4_1.htm";
}

function btn_4_3()
{
	location.href="sub4_1.htm";
}

function btn_4_4()
{
	location.href="sub4_1.htm";
}

function btn_4_5()
{
	location.href="sub4_1.htm";
}


function btn_5_1()
{
	location.href="sub5_1.htm";
}

function btn_5_1()
{
	location.href="sub5_1.htm";
}

function btn_5_1()
{
	location.href="sub5_1.htm";
}




function btn_sitemap()
{
	location.href="#";
}

function btn_home()
{
	location.href="/main/main.htm";
}

function btn_eng()
{
	location.href="#";
}