function ninja_steppt_on(){
	document.getElementById('ninja_steppt').src='../bujinkan-ninjutsu-pics/ninja_steppt2.gif';
	document.getElementById('darker').style.visibility='visible';
	document.getElementById('content_training-pic1').style.backgroundColor='#333333';
}
function ninja_steppt_out(){
	document.getElementById('ninja_steppt').src='../bujinkan-ninjutsu-pics/ninja_steppt1.jpg';
	document.getElementById('darker').style.visibility='hidden';
	document.getElementById('content_training-pic1').style.backgroundColor='#FBFBDE';
}
function zeiten_in(){
	document.getElementById('content_training_zeiten').style.visibility='visible';
}
function zeiten_out(){
	document.getElementById('content_training_zeiten').style.visibility='hidden';
}
function kontakt_in(){
	document.getElementById('content_training_kontakt').style.visibility='visible';
}
function kontakt_out(){
	document.getElementById('content_training_kontakt').style.visibility='hidden';
}
function zeiten2_in(){
	document.getElementById('content_training_zeiten2').style.visibility='visible';
}
function zeiten2_out(){
	document.getElementById('content_training_zeiten2').style.visibility='hidden';
}