function showdiv(id) {
	//safe function to show an element with a specified id

	if (id == "1") {
		document.getElementById('pass2').style.display = 'none';
        document.getElementById('pass3').style.display = 'none';
        document.getElementById('pass4').style.display = 'none';
        document.getElementById('pass5').style.display = 'none';
        document.getElementById('pass6').style.display = 'none';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
	}
	
	if (id == "2") {
		document.getElementById('pass2').style.display = 'block';
        document.getElementById('pass3').style.display = 'none';
        document.getElementById('pass4').style.display = 'none';
        document.getElementById('pass5').style.display = 'none';
        document.getElementById('pass6').style.display = 'none';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
        }
        

    if (id == "3") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
        document.getElementById('pass4').style.display = 'none';
        document.getElementById('pass5').style.display = 'none';
        document.getElementById('pass6').style.display = 'none';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
        }
        
	if (id == "4") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
		document.getElementById('pass4').style.display = 'block';
        document.getElementById('pass5').style.display = 'none';
        document.getElementById('pass6').style.display = 'none';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
		document.getElementById('pass4').style.display = 'table-row';
        }
	
	if (id == "5") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
		document.getElementById('pass4').style.display = 'block';
		document.getElementById('pass5').style.display = 'block';
        document.getElementById('pass6').style.display = 'none';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
		document.getElementById('pass4').style.display = 'table-row';
		document.getElementById('pass5').style.display = 'table-row';
        }
	
	if (id == "6") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
		document.getElementById('pass4').style.display = 'block';
		document.getElementById('pass5').style.display = 'block';
		document.getElementById('pass6').style.display = 'block';
        document.getElementById('pass7').style.display = 'none';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
		document.getElementById('pass4').style.display = 'table-row';
		document.getElementById('pass5').style.display = 'table-row';
		document.getElementById('pass6').style.display = 'table-row';
        }
	
	if (id == "7") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
		document.getElementById('pass4').style.display = 'block';
		document.getElementById('pass5').style.display = 'block';
		document.getElementById('pass6').style.display = 'block';
		document.getElementById('pass7').style.display = 'block';
        document.getElementById('pass8').style.display = 'none';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
		document.getElementById('pass4').style.display = 'table-row';
		document.getElementById('pass5').style.display = 'table-row';
		document.getElementById('pass6').style.display = 'table-row';
	    document.getElementById('pass7').style.display = 'table-row';
        }
	
	if (id == "8") {
		document.getElementById('pass2').style.display = 'block';
		document.getElementById('pass3').style.display = 'block';
		document.getElementById('pass4').style.display = 'block';
		document.getElementById('pass5').style.display = 'block';
		document.getElementById('pass6').style.display = 'block';
		document.getElementById('pass7').style.display = 'block';
		document.getElementById('pass8').style.display = 'block';
        document.getElementById('pass2').style.display = 'table-row';
		document.getElementById('pass3').style.display = 'table-row';
		document.getElementById('pass4').style.display = 'table-row';
		document.getElementById('pass5').style.display = 'table-row';
		document.getElementById('pass6').style.display = 'table-row';
	    document.getElementById('pass7').style.display = 'table-row';
		document.getElementById('pass8').style.display = 'table-row';
		}
		
		if (document.layers) { // Netscape 4
			;
		}
		else { // IE 4
			;
		}
	}