function show(text) {
	obj = eval(text);
		if(document.layers) {
		obj.visibility="show";
		}
		if(document.all) {
		obj.style.visibility="visible";
		}

}

function hide(text) {
	obj = eval(text);
		if(document.layers) {
		obj.visibility="hide";
		}
		if(document.all) {
		obj.style.visibility="hidden";
		}
}