function on(popup)
{
	document.getElementById("popup").style.visibility="hidden";
	document.getElementById("popup_m1").style.visibility="hidden";
	document.getElementById("popup_m2").style.visibility="hidden";
	document.getElementById("popup_s1").style.visibility="hidden";
	document.getElementById("popup_s2").style.visibility="hidden";
	document.getElementById("popup_alto").style.visibility="hidden";
	document.getElementById("popup_navi").style.visibility="hidden";
	document.getElementById(popup).style.visibility="visible";
}


function off(popup)
{
	document.getElementById(popup).style.visibility="hidden";
	window.open("arena_blank.html","subwindow");
	window.open("arena_blank.html","subwindow_m1");
	window.open("arena_blank.html","subwindow_m2");
	window.open("arena_blank.html","subwindow_s1");
	window.open("arena_blank.html","subwindow_s2");
	window.open("arena_blank.html","subwindow_alto");
	window.open("arena_blank.html","subwindow_navi");
}


function on1(column)
{
	document.getElementById("column_a").style.display = "none";
	document.getElementById("column_b").style.display = "block";
}

function off1(column)
{
	document.getElementById("column_a").style.display = "block";
	document.getElementById("column_b").style.display = "none";
}


function on2(event1)
{
	document.getElementById("event1").style.display = "block";
}
function off2(event1)
{
	document.getElementById("event1").style.display = "none";
}

function on3(column)
{
	document.getElementById("column_c").style.display = "none";
	document.getElementById("column_d").style.display = "block";
}

function off3(column)
{
	document.getElementById("column_c").style.display = "block";
	document.getElementById("column_d").style.display = "none";
}

function on4(column)
{
	document.getElementById("column_e").style.display = "none";
	document.getElementById("column_f").style.display = "block";
}

function off4(column)
{
	document.getElementById("column_e").style.display = "block";
	document.getElementById("column_f").style.display = "none";
}

function on5(column)
{
	document.getElementById("column_g").style.display = "none";
	document.getElementById("column_h").style.display = "block";
}

function off5(column)
{
	document.getElementById("column_g").style.display = "block";
	document.getElementById("column_h").style.display = "none";
}

function on6(column)
{
	document.getElementById("column_i").style.display = "none";
	document.getElementById("column_j").style.display = "block";
}

function off6(column)
{
	document.getElementById("column_i").style.display = "block";
	document.getElementById("column_j").style.display = "none";
}

function on7(column)
{
	document.getElementById("column_k").style.display = "none";
	document.getElementById("column_l").style.display = "block";
}

function off7(column)
{
	document.getElementById("column_k").style.display = "block";
	document.getElementById("column_l").style.display = "none";
}
function on8(column)
{
	document.getElementById("column_m").style.display = "none";
	document.getElementById("column_n").style.display = "block";
}

function off8(column)
{
	document.getElementById("column_m").style.display = "block";
	document.getElementById("column_n").style.display = "none";
}

function on9(column)
{
	document.getElementById("column_o").style.display = "none";
	document.getElementById("column_p").style.display = "block";
}
function off9(column)
{
	document.getElementById("column_o").style.display = "block";
	document.getElementById("column_p").style.display = "none";
}


function on10(column)
{
	document.getElementById("column_q").style.display = "none";
	document.getElementById("column_r").style.display = "block";
}
function off10(column)
{
	document.getElementById("column_q").style.display = "block";
	document.getElementById("column_r").style.display = "none";
}

function on11(column)
{
	document.getElementById("column_s").style.display = "none";
	document.getElementById("column_t").style.display = "block";
}
function off11(column)
{
	document.getElementById("column_s").style.display = "block";
	document.getElementById("column_t").style.display = "none";
}

function on12(column)
{
	document.getElementById("column_u").style.display = "none";
	document.getElementById("column_x").style.display = "block";
}
function off12(column)
{
	document.getElementById("column_u").style.display = "block";
	document.getElementById("column_x").style.display = "none";
}

function on13(column)
{
	document.getElementById("column_y").style.display = "none";
	document.getElementById("column_z").style.display = "block";
}
function off13(column)
{
	document.getElementById("column_y").style.display = "block";
	document.getElementById("column_z").style.display = "none";
}