function showtext(elementnumber) {
	show('bg'+elementnumber); hide('image'+elementnumber); hide('click'+elementnumber);
}

function showimage(elementnumber) {
	show('image'+elementnumber); show('click'+elementnumber); hide('bg'+elementnumber);
}

function show(elementid) {
	if (document.layers) {
		document.layers[elementid].display = 'block';
	} else if (document.all) {
		document.all[elementid].style.display = 'block';
	} else if (document.getElementById) {
		document.getElementById(elementid).style.display = 'block';
	}
}

function hide(elementid) {
	if (document.layers) {
		document.layers[elementid].display = 'none';
	} else if (document.all) {
		document.all[elementid].style.display = 'none';
	} else if (document.getElementById) {
		document.getElementById(elementid).style.display = 'none';
	}
}