function hide_section(section) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById(section).style.display = 'none'; 
	} 
	else { 
		if (document.layers) { // Netscape 4 
			document.section.display = 'none'; 
		} 
		else { // IE 4 
			document.all.section.style.display = 'none'; 
		} 
	} 
} 

function show_section(section) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById(section).style.display = 'block'; 
	} 
	else { 
		if (document.layers) { // Netscape 4 
			document.section.display = 'block'; 
		} 
		else { // IE 4 
			document.all.section.style.display = 'block'; 
		} 
	} 
} 

function toggle_section(section) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
		if (document.getElementById(section).style.display == 'none') {
			document.getElementById(section).style.display = 'block'; 
		} else {
			document.getElementById(section).style.display = 'none'; 
		}
	} 
	else { 
		if (document.layers) { // Netscape 4 
		    if (document.section.display == 'none') {
				document.section.display = 'block'; 
			} else {
				document.section.display = 'none'; 
			}
		} 
		else { // IE 4 
			if (document.all.section.style.display == 'none') {
				document.all.section.style.display = 'block'; 
			} else {
				document.all.section.style.display = 'none'; 
			}
		} 
	} 
}