function makeinvisible(id){
	document.getElementById(id).style.visibility='hidden';
}

function makevisible(id){
	document.getElementById(id).style.visibility='visible';
}

function opennav1(id){
	var nav1 = "mission-principals";
	var nav2 = "hospitality";
	var nav3 = "retail";
	var nav4 = "service-support";
	var nav5 = "supplies";
	var nav6 = "demo-request";
	
	if(id==nav1) document.getElementById(nav1).style.display='';
	else document.getElementById(nav1).style.display='none';
	if(id==nav2) document.getElementById(nav2).style.display='';
	else document.getElementById(nav2).style.display='none';
	if(id==nav3) document.getElementById(nav3).style.display='';
	else document.getElementById(nav3).style.display='none';
	if(id==nav4) document.getElementById(nav4).style.display='';
	else document.getElementById(nav4).style.display='none';
	if(id==nav5) document.getElementById(nav5).style.display='';
	else document.getElementById(nav5).style.display='none';
	if(id==nav6) document.getElementById(nav6).style.display='';
	else document.getElementById(nav6).style.display='none';
}
function opennav(id){
	var nav1 = "mission-principals";
	var nav2 = "hospitality";
	var nav3 = "retail";
	var nav4 = "service-support";
	var nav5 = "supplies";
	var nav6 = "demo-request";
	
	if(id==nav1) document.getElementById(nav1).className='nav_body';
	else document.getElementById(nav1).className='nav_body_hidden';
	if(id==nav2) document.getElementById(nav2).className='nav_body';
	else document.getElementById(nav2).className='nav_body_hidden';
	if(id==nav3) document.getElementById(nav3).className='nav_body';
	else document.getElementById(nav3).className='nav_body_hidden';
	if(id==nav4) document.getElementById(nav4).className='nav_body';
	else document.getElementById(nav4).className='nav_body_hidden';
	if(id==nav5) document.getElementById(nav5).className='nav_body';
	else document.getElementById(nav5).className='nav_body_hidden';
	if(id==nav6) document.getElementById(nav6).className='nav_body';
	else document.getElementById(nav6).className='nav_body_hidden';
}