function showmenu() {
	if(navigator.appName.charAt(0)=="M"){
		if(navigator.appVersion.indexOf("MSIE 5") != -1 || navigator.appVersion.indexOf("MSIE 6") != -1){
			if(
				document.getElementById){document.getElementById("fltmenu").style.visibility="visible"
			}
		} else {
			if(document.all){
				document.all("fltmenu").style.visibility="visible"
			}
		}
	}
	if(navigator.appName.charAt(0)=="N"){
		if(document.getElementById){
			document.getElementById("fltmenu").style.visibility="visible"
		}
		if(document.layers){
			document.layers["fltmenu"].visibility="show"
		}
	}
}
function hidemenu() {
	if(navigator.appName.charAt(0)=="M"){
		if(navigator.appVersion.indexOf("MSIE 5") != -1 || navigator.appVersion.indexOf("MSIE 6") != -1){
			if(document.getElementById){
				document.getElementById("fltmenu").style.visibility="hidden"
			}
		} else {
			if(document.all){
				document.all("fltmenu").style.visibility="hidden"
			}
		}
	}
	if(navigator.appName.charAt(0)=="N"){
		if(document.getElementById){
			document.getElementById("fltmenu").style.visibility="hidden"
		}
		if(document.layers){
			document.layers["fltmenu"].visibility="hide"
		}
	}
}