var schach_0 = 0;
var schach_1 = 0;
var schach_2 = 0;
var schach_3 = 0;
var schach_4 = 0;

function toggle_schach_0()
{
	if(schach_0 != 0)
	{
		document.getElementById('schach_0').style.display='none';

		document.getElementById('schach_0_up').style.display='none';
		document.getElementById('schach_0_down').style.display='inline';

		schach_0 = 0;
	}
	else
	{
		document.getElementById('schach_0').style.display='block';

		document.getElementById('schach_0_up').style.display='inline';
		document.getElementById('schach_0_down').style.display='none';

		schach_0 = 1;
	}	
}

function toggle_schach_1()
{
	if(schach_1 != 0)
	{
		document.getElementById('schach_1').style.display='none';

		document.getElementById('schach_1_up').style.display='none';
		document.getElementById('schach_1_down').style.display='inline';

		schach_1 = 0;
	}
	else
	{
		document.getElementById('schach_1').style.display='block';

		document.getElementById('schach_1_up').style.display='inline';
		document.getElementById('schach_1_down').style.display='none';

		schach_1 = 1;
	}
}

function toggle_schach_2()
{
	if(schach_2 != 0)
	{
		document.getElementById('schach_2').style.display='none';

		document.getElementById('schach_2_up').style.display='none';
		document.getElementById('schach_2_down').style.display='inline';

		schach_2 = 0;
	}
	else
	{
		document.getElementById('schach_2').style.display='block';

		document.getElementById('schach_2_up').style.display='inline';
		document.getElementById('schach_2_down').style.display='none';

		schach_2 = 1;
	}	
}

function toggle_schach_3()
{
	if(schach_3 != 0)
	{
		document.getElementById('schach_3').style.display='none';

		document.getElementById('schach_3_up').style.display='none';
		document.getElementById('schach_3_down').style.display='inline';

		schach_3 = 0;
	}
	else
	{
		document.getElementById('schach_3').style.display='block';

		document.getElementById('schach_3_up').style.display='inline';
		document.getElementById('schach_3_down').style.display='none';

		schach_3 = 1;
	}	
}

function toggle_schach_4()
{
	if(schach_4 != 0)
	{
		document.getElementById('schach_4').style.display='none';

		document.getElementById('schach_4_up').style.display='none';
		document.getElementById('schach_4_down').style.display='inline';

		schach_4 = 0;
	}
	else
	{
		document.getElementById('schach_4').style.display='block';

		document.getElementById('schach_4_up').style.display='inline';
		document.getElementById('schach_4_down').style.display='none';

		schach_4 = 1;
	}	
}