function FindID(id) {
	if(document.layers) return document.layers[id];
	if(document.all && !document.getElementById) return document.all[id];
	if(document.all && document.getElementById) return document.getElementById(id);
	if(!document.all && document.getElementById) return document.getElementById(id);
}

function ShowHide(div) {
	Div_expand = FindID(div + '_expand');
	Div_collapse = FindID(div + '_collapse');
	if (Div_expand.style.display == 'none') {
		Div_expand.style.display = 'block';
		Div_collapse.style.display = 'none';
	} else {
		Div_expand.style.display = 'none';
		Div_collapse.style.display = 'block';
	}
}