// Hide and Show a Div script, used for forms etc

function toggleLayer(whichLayer) {
	var elem, vis;
	if (document.getElementById)

	elem = document.getElementById(whichLayer);
else if (document.all)

	elem = document.all(whichLayer);
else if (document.layers)

	elem = document.layers(whichLayer);
	vis = elem.style;

	if (vis.display === '' && elem.offsetWidth !== undefined && elem.offsetHeight !== undefined)
	vis.display = (elem.offsetWidth !== 0 && elem.offsetHeight !== 0)?'block':'none';
	vis.display = (vis.display === '' || vis.display === 'block')?'none':'block';
}