browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if ((browserName == "Netscape" && browserVer >= 3) || (browserVer >= 4)) {

	nav01On = new Image(87,32);
	nav01On.src = "../img/contents_menu_01_on.gif";
	nav01Off = new Image(87,32);
	nav01Off.src = "../img/contents_menu_01_off.gif";
	
	nav02On = new Image(83,32);
	nav02On.src = "../img/contents_menu_02_on.gif";
	nav02Off = new Image(83,32);
	nav02Off.src = "../img/contents_menu_02_off.gif";
	
	nav03On = new Image(83,32);
	nav03On.src = "../img/contents_menu_03_on.gif";
	nav03Off = new Image(83,32);
	nav03Off.src = "../img/contents_menu_03_off.gif";
	
	nav04On = new Image(83,32);
	nav04On.src = "../img/contents_menu_04_on.gif";
	nav04Off = new Image(83,32);
	nav04Off.src = "../img/contents_menu_04_off.gif";
	
	nav05On = new Image(83,32);
	nav05On.src = "../img/contents_menu_05_on.gif";
	nav05Off = new Image(83,32);
	nav05Off.src = "../img/contents_menu_05_off.gif";
	
	nav06On = new Image(83,32);
	nav06On.src = "../img/contents_menu_06_on.gif";
	nav06Off = new Image(83,32);
	nav06Off.src = "../img/contents_menu_06_off.gif";
	
	nav07On = new Image(83,32);
	nav07On.src = "../img/contents_menu_07_on.gif";
	nav07Off = new Image(83,32);
	nav07Off.src = "../img/contents_menu_07_off.gif";
	
	nav08On = new Image(93,32);
	nav08On.src = "../img/contents_menu_08_on.gif";
	nav08Off = new Image(93,32);
	nav08Off.src = "../img/contents_menu_08_off.gif";
	
	nav09On = new Image(83,24);
	nav09On.src = "../img/contents_menu_09_on.gif";
	nav09Off = new Image(83,24);
	nav09Off.src = "../img/contents_menu_09_off.gif";
	
	nav10On = new Image(87,24);
	nav10On.src = "../img/contents_menu_10_on.gif";
	nav10Off = new Image(87,24);
	nav10Off.src = "../img/contents_menu_10_off.gif";
	
	nav11On = new Image(83,24);
	nav11On.src = "../img/contents_menu_11_on.gif";
	nav11Off = new Image(83,24);
	nav11Off.src = "../img/contents_menu_11_off.gif";

	

}

function menuimageOn(x) {
        if ((browserName == "Netscape" && browserVer >= 3) || (browserVer >= 4)) {
        document [x].src = eval(x + "On.src");
        }
}

function menuimageOff(x) {
        if ((browserName == "Netscape" && browserVer >= 3) || (browserVer >= 4)) {
        document [x].src = eval(x + "Off.src");
        }
}

function movieWin(){
	window.open("../movie/index.html","movie","width=650,height=380,scrollbars=no,resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=yes,left=0,top=0");
}

function mangaWin(){
	window.open("manga/01.html","manga","width=750,height=560,resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=no");
}

function koudanWin(){
	window.open("koudan.html","koudan","width=700,height=560,scrollbars=no,resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=yes,left=0,top=0");
}