// First, declare the variables
var mover = null
var object = "menu"

// Check if browser is Netscape. If it is, assign a certain value to "mover"
if (navigator.appName.indexOf("Netscape") != -1) {
	var mover = "document.menu.top = window.pageYOffset"
}

// If the browser is not Netscape, assign a different value to "mover"
else {
	var mover = "menu.style.pixelTop = document.body.scrollTop"
}

// Now the function
function check() {
	object = "menu"
	eval(mover)
	setTimeout("check()", 1000 ) // The number after "check()" is in milliseconds (lower number = less lag time)
}
function load(l) 
{ 
	var str=l.options[l.selectedIndex].value; 
	if(str !="") location.href=str; 
}