function clearing()
	{
/*		M E N U   M A I N		*/		
	document.getElementById('button-2-menu').style.visibility='hidden';
	document.getElementById('button-3-menu').style.visibility='hidden';
	document.getElementById('button-4-menu').style.visibility='hidden';
	document.getElementById('button-5-menu').style.visibility='hidden';
}
/*		C L E A R   M E N U S		*/
function clear_M1(){
	document.getElementById('button-1-menu').style.visibility='visible';
	document.getElementById('b-1').src='../tristar-pic/button-2.png';
	document.getElementById('button-2-menu').style.visibility='hidden'; 
	document.getElementById('button-3-menu').style.visibility='hidden'; 
	document.getElementById('button-4-menu').style.visibility='hidden'; 
	document.getElementById('button-5-menu').style.visibility='hidden';
}
function M1_out(){
	document.getElementById('b-1').src='../tristar-pic/button-3.png';
}
function clear_M2(){
	document.getElementById('button-1-menu').style.visibility='hidden'; 
	document.getElementById('button-2-menu').style.visibility='visible';
	document.getElementById('button-3-menu').style.visibility='hidden'; 
	document.getElementById('button-4-menu').style.visibility='hidden'; 
	document.getElementById('button-5-menu').style.visibility='hidden';
}
function clear_M3(){
	document.getElementById('button-1-menu').style.visibility='hidden'; 
	document.getElementById('button-2-menu').style.visibility='hidden'; 
	document.getElementById('button-3-menu').style.visibility='visible';
	document.getElementById('button-4-menu').style.visibility='hidden'; 
	document.getElementById('button-5-menu').style.visibility='hidden';
}
function clear_M4(){
	document.getElementById('button-1-menu').style.visibility='hidden'; 
	document.getElementById('button-2-menu').style.visibility='hidden'; 
	document.getElementById('button-3-menu').style.visibility='hidden'; 
	document.getElementById('button-4-menu').style.visibility='visible';
	document.getElementById('button-5-menu').style.visibility='hidden';
}
function clear_M5(){
	document.getElementById('button-1-menu').style.visibility='hidden'; 
	document.getElementById('button-2-menu').style.visibility='hidden'; 
	document.getElementById('button-3-menu').style.visibility='hidden'; 
	document.getElementById('button-4-menu').style.visibility='hidden';
	document.getElementById('button-5-menu').style.visibility='visible';
}
function clear_MENUS(){
	document.getElementById('button-1-menu').style.visibility='hidden'; 
	document.getElementById('button-2-menu').style.visibility='hidden'; 
	document.getElementById('button-3-menu').style.visibility='hidden'; 
	document.getElementById('button-4-menu').style.visibility='hidden';
	document.getElementById('button-5-menu').style.visibility='hidden';
}