// Browser
version = parseInt(navigator.appVersion);
if (navigator.appVersion.indexOf('6.')>-1) {version=5};
if (navigator.appName=='Netscape') {browser='NS'+version;}
if (navigator.appName=='Microsoft Internet Explorer') {browser='MSIE'+version;}
// Browser, end


// Netscape 4 resize bug fix
function reDo(){ 
	if (browser=='NS4') {
	window.location.reload()
	}
}
window.onresize = reDo;
// Netscape 4 resize bug fix, end


// Menu scriptet!!!
// Open menu layer
function changeLayer(num) {
	hideAll();
	if (browser=='MSIE4' || browser=='MSIE5') {
		document.all['drop'+num].style.visibility = "visible";
		document.all['selection'+num].style.visibility = "visible";
	}

	if (browser=='NS4') {
		document.layers['drop'+num].visibility = "show";
		document.layers['selection'+num].visibility = "show";
	}
	
	if (browser=='NS5') {
		document.getElementById('drop'+num).style.visibility = "visible";
		document.getElementById('selection'+num).style.visibility = "visible";
	}
}
// Open menu layer, end

// Close all menu layers
function hideAll() {
	if (browser=='MSIE4' || browser=='MSIE5') {
		for (i = 1; i < 6; i++) {
			document.all['drop'+i].style.visibility = "hidden";
			document.all['selection'+i].style.visibility = "hidden";
		}
	}

	if (browser=='NS4') {
		for (i = 1; i < 6; i++) {
			document.layers['drop'+i].visibility = "hide";
			document.layers['selection'+i].visibility = "hide";
		}
	}
        
	if(browser=='NS5') {
		for (i = 1; i < 6; i++) {
			document.getElementById('drop'+i).style.visibility="hidden";
			document.getElementById('selection'+i).style.visibility="hidden";
		}
	}
}