function toggle(div) {
	document.getElementById('dot1').style.display="block";
	document.getElementById('dot2').style.display="block";
	document.getElementById('dot3').style.display="block";
	document.getElementById('dot4').style.display="block";
	document.getElementById('dot5').style.display="block";
	document.getElementById('eff').style.display="block";
	document.getElementById('image').style.display="block";
	document.getElementById('idea').style.display="block";
	document.getElementById('supp').style.display="block";
	document.getElementById('demand').style.display="block";
	document.getElementById('mbhdr1').style.display="none";
	document.getElementById('mbhdr2').style.display="none";
	document.getElementById('mbhdr3').style.display="none";
	document.getElementById('mbhdr4').style.display="none";
	document.getElementById('mbhdr5').style.display="none";
	document.getElementById('mtb1').style.display="none";
	document.getElementById('mtb2').style.display="none";
	document.getElementById('mtb3').style.display="none";
	document.getElementById('mtb4').style.display="none";
	document.getElementById('mtb5').style.display="none";
	switch(div) {
		case 'eff':
			document.getElementById('dot1').style.display="none";
			document.getElementById('eff').style.display="none";
			document.getElementById('mbhdr1').style.display="block";
			document.getElementById('mtb1').style.display="block";
			break;
		case 'image':
			document.getElementById('dot2').style.display="none";
			document.getElementById('image').style.display="none";
			document.getElementById('mbhdr2').style.display="block";
			document.getElementById('mtb2').style.display="block";
			break;
		case 'idea':
			document.getElementById('dot3').style.display="none";
			document.getElementById('idea').style.display="none";
			document.getElementById('mbhdr3').style.display="block";
			document.getElementById('mtb3').style.display="block";
			break;
		case 'supp':
			document.getElementById('dot4').style.display="none";
			document.getElementById('supp').style.display="none";
			document.getElementById('mbhdr4').style.display="block";
			document.getElementById('mtb4').style.display="block";
			break;
		case 'demand':
			document.getElementById('dot5').style.display="none";
			document.getElementById('demand').style.display="none";
			document.getElementById('mbhdr5').style.display="block";
			document.getElementById('mtb5').style.display="block";
			break;
	}
}
onload=toggle('idea')