if (document.layers) {navigator.family = "nn4"}

if (document.all) {navigator.family = "ie4"}

if (window.navigator.userAgent.toLowerCase().match(/gecko/)) {navigator.family = "gecko"}

if (window.navigator.userAgent.toLowerCase().indexOf('opera') != -1) {navigator.family	= 'opera';}

toplevel="4";



function riseup (box) {

toplevel++;

if (navigator.family == "ie4")

	{document.all[box].style.zIndex = toplevel;}

if (navigator.family == "opera" || navigator.family == "gecko")

 	{document.getElementById(box).style.zIndex = toplevel;}

}