var action = "FALSE";
function display(name) {

    if ( document.getElementById )
	{	
        var layerObj = document.getElementById(name).style;
        var hide = "hidden";
        var show = "visible";
	}
     else if ( document.all )
	{	
	var layerObj = eval("document.all." + name + ".style");
        var hide = "hidden";
        var show = "visible";
	}
     else if ( document.layers )
	{		
	var layerObj = eval("document." + name);
	var hide = "hide";
	var show = "show";
     }
     layerObj.visibility = (action ?  hide : show);
     action = !action;
}