isIE = (navigator.appName == 'Microsoft Internet Explorer');
isV5 = (parseFloat(navigator.appVersion)>=5.0);

if (document.images) {
	rollOvers = 1;
} else {
	rollOvers = 0;
}

loaded = 0;

function loadImg() {
	if (rollOvers) {

		menu1On = new Image();
		menu1On.src = "common/img/menu01_over.gif";
		menu2On = new Image();
		menu2On.src = "common/img/menu02_over.gif";
		menu3On = new Image();
		menu3On.src = "common/img/menu03_over.gif";
		menu4On = new Image();
		menu4On.src = "common/img/menu04_over.gif";
		menu5On = new Image();
		menu5On.src = "common/img/menu05_over.gif";

		menu01On = new Image();
		menu01On.src = "../common/img/menu01_over.gif";
		menu02On = new Image();
		menu02On.src = "../common/img/menu02_over.gif";
		menu03On = new Image();
		menu03On.src = "../common/img/menu03_over.gif";
		menu04On = new Image();
		menu04On.src = "../common/img/menu04_over.gif";
		menu05On = new Image();
		menu05On.src = "../common/img/menu05_over.gif";

		menu001On = new Image();
		menu001On.src = "../../common/img/menu01_over.gif";
		menu002On = new Image();
		menu002On.src = "../../common/img/menu02_over.gif";
		menu003On = new Image();
		menu003On.src = "../../common/img/menu03_over.gif";
		menu004On = new Image();
		menu004On.src = "../../common/img/menu04_over.gif";
		menu005On = new Image();
		menu005On.src = "../../common/img/menu05_over.gif";


		menu1Off = new Image();
		menu1Off.src = "common/img/menu01.gif";
		menu2Off = new Image();
		menu2Off.src = "common/img/menu02.gif";
		menu3Off = new Image();
		menu3Off.src = "common/img/menu03.gif";
		menu4Off = new Image();
		menu4Off.src = "common/img/menu04.gif";
		menu5Off = new Image();
		menu5Off.src = "common/img/menu05.gif";

		menu01Off = new Image();
		menu01Off.src = "../common/img/menu01.gif";
		menu02Off = new Image();
		menu02Off.src = "../common/img/menu02.gif";
		menu03Off = new Image();
		menu03Off.src = "../common/img/menu03.gif";
		menu04Off = new Image();
		menu04Off.src = "../common/img/menu04.gif";
		menu05Off = new Image();
		menu05Off.src = "../common/img/menu05.gif";

		menu001Off = new Image();
		menu001Off.src = "../../common/img/menu01.gif";
		menu002Off = new Image();
		menu002Off.src = "../../common/img/menu02.gif";
		menu003Off = new Image();
		menu003Off.src = "../../common/img/menu03.gif";
		menu004Off = new Image();
		menu004Off.src = "../../common/img/menu04.gif";
		menu005Off = new Image();
		menu005Off.src = "../../common/img/menu05.gif";


	loaded = 1;
	}
}

function switchOn(imgName) {
	if (loaded == 1) {
		imgOn = eval(imgName+"On.src");
		document[imgName].src = imgOn;
	}
}

function switchOff(imgName) {
	if (loaded == 1) {
		imgOff = eval(imgName+"Off.src");
		document[imgName].src = imgOff;
	}
}

if (isIE || isV5) {
	loadImg();
}