function changeBodyHow(){
	turnOffSellers();
	document.getElementById('how').setAttribute("class", "active");
	document.getElementById('content-sellers-how').style.display = 'block';
	
}

function changeBodyExposure() {
	turnOffSellers();
	document.getElementById('exposure').setAttribute("class", "active");
	document.getElementById('content-sellers-exposure').style.display = 'block';
		
} 
function changeBodyPotential(){
	turnOffSellers();
	document.getElementById('potential').setAttribute("class", "active");
	document.getElementById('content-sellers-potential').style.display = 'block';
	
}
function changeBodyClosing(){
	turnOffSellers();
	document.getElementById('closing').setAttribute("class", "active");
	document.getElementById('content-sellers-costs').style.display = 'block';
		
}
function turnOffSellers() {
	document.getElementById('how').setAttribute("class", "not-active");
	document.getElementById('exposure').setAttribute("class", "not-active");
	document.getElementById('potential').setAttribute("class", "not-active");
	document.getElementById('closing').setAttribute("class", "not-active");
	document.getElementById('content-details').style.display = 'none';
	document.getElementById('content-sellers-how').style.display = 'none';
	document.getElementById('content-sellers-exposure').style.display = 'none';
	document.getElementById('content-sellers-potential').style.display = 'none';
	document.getElementById('content-sellers-costs').style.display = 'none';
}