//ブラウザバージョンチェック
var agent = navigator.userAgent;
var nv = 0;

if(agent.indexOf("Mozilla/2") == 0)
{
	var nv = 1;
}

//入れ替え画像の指定及びプリロード
if(nv != 1)
{
	document.OnImageTopmenucategoly1 = new Image();
	document.OnImageTopmenucategoly1.src = "image/title-left_on.gif";		//on画像パス
	document.OfImageTopmenucategoly1 = new Image();
	document.OfImageTopmenucategoly1.src = "image/title-left_off.gif";		//off画像パス
	document.ClImageTopmenucategoly1 = new Image();
	document.ClImageTopmenucategoly1.src = "image/title-left_off.gif";		//click画像パス
	document.OnImageTopmenucategoly2 = new Image();
	document.OnImageTopmenucategoly2.src = "image/navigation_rental_on.gif";		//on画像パス
	document.OfImageTopmenucategoly2 = new Image();
	document.OfImageTopmenucategoly2.src ="image/navigation_rental_off.gif";		//off画像パス
	document.ClImageTopmenucategoly2 = new Image();
	document.ClImageTopmenucategoly2.src = "image/navigation_rental_v.gif";		//click画像パス
	document.OnImageTopmenucategoly3 = new Image();
	document.OnImageTopmenucategoly3.src = "image/navigation_sale_on.gif";		//on画像パス
	document.OfImageTopmenucategoly3 = new Image();
	document.OfImageTopmenucategoly3.src = "image/navigation_sale_off.gif";		//off画像パス
	document.ClImageTopmenucategoly3 = new Image();
	document.ClImageTopmenucategoly3.src = "image/navigation_sale_v.gif";		//click画像パス
}

//画像のロールオーバー処理　menuon=on画像、menuclick=off画像、menuout=off画像
//以下、画像数分増やす
//funcion名はHTMLファイル内と共通

function topmenucategolyon(i)
{
	 if(nv != 1)
	{
		if(i == 1){document.topmenucategoly1.src = document.OnImageTopmenucategoly1.src;}
		if(i == 2){document.topmenucategoly2.src = document.OnImageTopmenucategoly2.src;}
		if(i == 3){document.topmenucategoly3.src = document.OnImageTopmenucategoly3.src;}
	}
 }

function topmenucategolyout(i)
{
	 if(nv != 1)
	{
		if(i == 1){document.topmenucategoly1.src = document.OfImageTopmenucategoly1.src;}
		if(i == 2){document.topmenucategoly2.src = document.OfImageTopmenucategoly2.src;}
		if(i == 3){document.topmenucategoly3.src = document.OfImageTopmenucategoly3.src;}
	}
 }

function topmenucategolyclick(i)
{
	 if(nv != 1)
	{
		if(i == 1){document.topmenucategoly1.src = document.ClImageTopmenucategoly1.src;}
		if(i == 2){document.topmenucategoly2.src = document.ClImageTopmenucategoly2.src;}
		if(i == 3){document.topmenucategoly3.src = document.ClImageTopmenucategoly3.src;}
	}
 }