var none ='STYLE="position:relative; display:none;  margin-top:0em;"';
var block='STYLE="position:relative; display:block; margin-top:0em;"';
function showlist(target) {
	if ( document.getElementById ) {
		var lay = document.getElementById(target);
		var disp = lay.style.display;
		if ( disp != "none" || disp == "" )
			lay.style.display = "none"; else lay.style.display = "block";
	}
}