//Global Vars
var browser = detectUA();

//var imageRange = 4;  2009.03.25
var imageRange = 14;
var navRange = 3;
var current;
var timerID;
var lock = false;

//Detect Browser
function detectUA(){
	var ua = navigator.userAgent.toUpperCase();
	if(ua.indexOf("SAFARI") != -1) return "SAFARI";	//Safari
	if(ua.indexOf("FIREFOX") != -1) return "FIREFOX";	//Firefox
	if(ua.indexOf("OPERA") != -1) return "OPERA";	//Opera 
	if(ua.indexOf("NETSCAPE") != -1) return "NETSCAPE"; //Netscape 6-
	
	if(ua.indexOf("MSIE") != -1){
		if(ua.indexOf("MAC") != -1) return false;	//MacIE
		if(ua.indexOf("MSIE 3.") != -1) return false;	//WinIE 3
		if(ua.indexOf("MSIE 4.") != -1) return false;	//WinIE 4
		if(ua.indexOf("MSIE 5.") != -1) return false;	//WinIE 5
		return "WINIE";	//WinIE 6-
	}
	
	if(ua.indexOf("MOZILLA/4") != -1) return false;	//Netscape 4-
	if(ua.indexOf("MOZILLA") != -1) return "MOZILLA";	//Mozilla
	return false;	//Unknown
}

//Generate Code
function generate(){
	var id1 = document.getElementById("mainImage");
	var id2 = document.getElementById("mainNavi");
}

//Set Floating Navigation
function setNav(n){
	if (!browser) return;
	if(!lock){
		clearNav(n);
		var id1 = document.getElementById("floatingNav" + n);
		var id2 = document.getElementById("globalNav" + n);
		if(id1){
			id1.style.display = "block";
			id2.setAttribute("src", "img/btn_mnavi_" + n + "_over.jpg");
			current = n;
		}
	}
	if(lock && n != current){
		var id = document.getElementById("globalNav" + n);
		id.setAttribute("src", "img/btn_mnavi_" + n + "_over.jpg");
	}
}

//Clear Floating Navigation
function clearNav(n){
	if (!browser) return;
	clearTimeout(timerID);
	for(var i = 1; i <= navRange; i++){
		if(i != n){
			var id = document.getElementById("floatingNav" + i);
			var id2 = document.getElementById("globalNav" + i);
			if(id){
				id.style.display = "none";
				id2.setAttribute("src", "img/btn_mnavi_" + i + ".jpg");
				current = null;
			}
		}
	}
}

//Set Clear Interval
function setTimer(n){
	if (!browser) return;
	if(!lock){
		timerID = setTimeout("clearNav()", 100);
	}
	if(lock && n != current){
		var id = document.getElementById("globalNav" + n);
		id.setAttribute("src", "img/btn_mnavi_" + n + "_over.jpg");
	}
}