function hidediv1() {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById('hideshow1').style.visibility = 'hidden';
		}
else {
if (document.layers) { // Netscape 4
document.hideshow1.visibility = 'hidden';
}

else { // IE 4
document.all.hideshow1.style.visibility = 'hidden';
	 }
   }
}

function showdiv1() {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById('hideshow1').style.visibility = 'visible';
}

else {
if (document.layers) { // Netscape 4
document.hideshow1.visibility = 'visible';
}

else { // IE 4
document.all.hideshow1.style.visibility = 'visible';
	 }
   }
}