if (document.images) {
	mnu0on = new Image();
	mnu0on.src = "images/main02_on.jpg";
	mnu0off = new Image();
	mnu0off.src = "images/main02.jpg";
	
	
	mnu1on = new Image();
	mnu1on.src = "images/btn01_on.gif";
	mnu1off = new Image();
	mnu1off.src = "images/btn01.gif";
	
	mnu2on = new Image();
	mnu2on.src = "images/btn02_on.gif";
	mnu2off = new Image();
	mnu2off.src = "images/btn02.gif";
	
	mnu3on = new Image();
	mnu3on.src = "images/btn03_on.gif";
	mnu3off = new Image();
	mnu3off.src = "images/btn03.gif";
	
	
	
	
	mnu2_1on = new Image();
	mnu2_1on.src = "images/btn_d01_on.jpg";
	mnu2_1off = new Image();
	mnu2_1off.src = "images/btn_d01.jpg";
	
	mnu2_2on = new Image();
	mnu2_2on.src = "images/btn_d02_on.jpg";
	mnu2_2off = new Image();
	mnu2_2off.src = "images/btn_d02.jpg";
	
	mnu2_3on = new Image();
	mnu2_3on.src = "images/btn_d03_on.jpg";
	mnu2_3off = new Image();
	mnu2_3off.src = "images/btn_d03.jpg";
	
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"on.src");
	}
}
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"off.src");
	}
}