<!--
var mainNum = 2;

if(document.images) {
	
	var imgOver = new Array();
 
 imgOver[1] = new Image();
 imgOver[1].src = "images/main_navi1_over.gif";
 imgOver[2] = new Image();
 imgOver[2].src = "images/main_navi2_over.gif";
 
 var imgOn = new Array();
 
 imgOn[1] = new Image();
 imgOn[1].src = "images/main_navi1_on.gif";
 imgOn[2] = new Image();
 imgOn[2].src = "images/main_navi2_on.gif";
 
 var imgOff = new Array();
 
 imgOff[1] = new Image();
 imgOff[1].src = "images/main_navi1_off.gif";
 imgOff[2] = new Image();
 imgOff[2].src = "images/main_navi2_off.gif";
 
 	var btnOver = new Array();
 
 btnOver[1] = new Image();
 btnOver[1].src = "images/main_btn1_over.gif";
 btnOver[2] = new Image();
 btnOver[2].src = "images/main_btn2_over.gif";
 
 var btnOff = new Array();
 
 btnOff[1] = new Image();
 btnOff[1].src = "images/main_btn1_off.gif";
 btnOff[2] = new Image();
 btnOff[2].src = "images/main_btn2_off.gif";

}

function mainChange(value) {
	mainReset();
	document.getElementById("mainVisual" + value).style.display = "block";
	document.images["mainNavi" + value].src = imgOver[value].src; 
}

function mainChange1(value) {
	mainReset();
	document.getElementById("mainVisual" + value).style.display = "block";
	document.images["mainNavi" + value].src = imgOn[value].src; 
}

function mainReset() {
	for(i=1; i<=mainNum; i++){
				document.getElementById("mainVisual" + i).style.display = "none";
				document.images["mainNavi" + i].src = imgOff[i].src;  
	}
}

function mainNaviOut(value){
	document.images["mainNavi" + value].src = imgOn[value].src; 
}

function mainBtnOver(value) {
		document.images["mainVisualBtn" + value].src = btnOver[value].src; 
}

function mainBtnOut(value) {
		document.images["mainVisualBtn" + value].src = btnOff[value].src; 
}

//-->