function hide_all_sections()
{
	document.getElementById('section1').style.display = 'none';
	document.getElementById('section2').style.display = 'none';
	document.getElementById('section3').style.display = 'none';
	document.getElementById('section4').style.display = 'none';
	document.getElementById('section5').style.display = 'none';
	document.getElementById('section6').style.display = 'none';
	document.getElementById('section7').style.display = 'none';
	document.getElementById('section8').style.display = 'none';
	document.getElementById('section9').style.display = 'none';
	document.getElementById('section10').style.display = 'none';
	document.getElementById('section11').style.display = 'none';
	document.getElementById('section12').style.display = 'none';
	document.getElementById('section13').style.display = 'none';
	document.getElementById('section14').style.display = 'none';
	document.getElementById('section15').style.display = 'none';
	document.getElementById('section16').style.display = 'none';
	//document.getElementById('section17').style.display = 'none';
}

function hostform(section)
{
	document.getElementById('returning_section').value = section;
	
	switch(section)
	{
		case 'section2':
			hide_all_sections();
			document.getElementById('section2').style.display = 'block';
			break;
		case 'section3':
			hide_all_sections();
			document.getElementById('section3').style.display = 'block';
			break;
		case 'section4':
			hide_all_sections();
			document.getElementById('section4').style.display = 'block';
			break;
		case 'section5':
			hide_all_sections();
			document.getElementById('section5').style.display = 'block';
			break;
		case 'section6':
			hide_all_sections();
			document.getElementById('section6').style.display = 'block';
			break;
		case 'section7':
			hide_all_sections();
			document.getElementById('section7').style.display = 'block';
			break;
		case 'section8':
			hide_all_sections();
			document.getElementById('section8').style.display = 'block';
			break;
		case 'section9':
			hide_all_sections();
			document.getElementById('section9').style.display = 'block';
			break;
		case 'section10':
			hide_all_sections();
			document.getElementById('section10').style.display = 'block';
			break;
		case 'section11':
			hide_all_sections();
			document.getElementById('section11').style.display = 'block';
			break;
		case 'section12':
			hide_all_sections();
			document.getElementById('section12').style.display = 'block';
			break;
		case 'section13':
			hide_all_sections();
			document.getElementById('section13').style.display = 'block';
			break;
		case 'section14':
			hide_all_sections();
			document.getElementById('section14').style.display = 'block';
			break;
		case 'section15':
			hide_all_sections();
			document.getElementById('section15').style.display = 'block';
			break;
		case 'section16':
			hide_all_sections();
			document.getElementById('section16').style.display = 'block';
			break;
		case 'section17':
			hide_all_sections();
			document.getElementById('section17').style.display = 'block';
			break;
		default:
			document.getElementById('returning_section').value = 'section1';
			hide_all_sections();
			document.getElementById('section1').style.display = 'block';
			break;
	}

}