// オンロードイメージ ===================================
//===========================================================
//                   グローバル変数
//===========================================================
function subNavi(){
	var lNaviNum = document.getElementById("lNaviNum");
	var lNavi = document.getElementById("lNavi");
	if( document.all ){
		var gNaviLength = lNaviNum.childNodes.length;
		}
	else{
		var gNaviLength = ( lNaviNum.childNodes.length - 1 )/2;
		}
	var loadImg2 = new Array();
	var load2;
	var targetImg2;
	for( load2 = 1; load2 <= gNaviLength; load2++ ){
		targetImg2 = 'images/side_navi/' + load2 + '_ov.gif';
		loadImg2.push( targetImg2 );
	}
	var PrImg2 = new Array();
	for(i=0; i<loadImg2.length; i++){
		PrImg2[i] = new Image();
		PrImg2[i].src = loadImg2[i];
	}
	var dir;
	var bread   = document.getElementById("bread");
	dir = "";
	if( bread && bread.className ){
		if(  bread.className == "news"  )
			dir = "../";
		}
	/* 会社概要 === */
	var cvLink1 = document.getElementById("cvLink1");
	if( lNavi.className == "index" ){
		cvLink1.src = dir + "images/side_navi/" + "1" + "_ov.gif";
	}
	else{
		cvLink1.onmouseover    = function() {cvLink1.src = dir + "images/side_navi/" + "1" + "_ov.gif";}
		cvLink1.onmouseout     = function() {cvLink1.src = dir + "images/side_navi/" + "1" + "_off.gif";}
	}
	/* グループ企業 === */
	var cvLink2 = document.getElementById("cvLink2");
	if( lNavi.className == "group" || lNavi.className == "agree" ){
		cvLink2.src = dir + "images/side_navi/" + "2" + "_ov.gif";
	}
	else{
		cvLink2.onmouseover    = function() {cvLink2.src = dir + "images/side_navi/" + "2" + "_ov.gif";}
		cvLink2.onmouseout     = function() {cvLink2.src = dir + "images/side_navi/" + "2" + "_off.gif";}
	}
	/* 沿革 === */
	var cvLink3 = document.getElementById("cvLink3");
	if( cvLink3 ){
		if( lNavi.className == "outline" ){
			cvLink3.src = dir + "images/side_navi/" + "3" + "_ov.gif";
		}
		else{
			cvLink3.onmouseover    = function() {cvLink3.src = dir + "images/side_navi/" + "3" + "_ov.gif";}
			cvLink3.onmouseout     = function() {cvLink3.src = dir + "images/side_navi/" + "3" + "_off.gif";}
		}
	}
	/* NEWS === */
	var cvLink4 = document.getElementById("cvLink4");
	if( cvLink3 ){
		if( lNavi.className == "news" ){
			cvLink4.src = dir + "images/side_navi/" + "4" + "_ov.gif";
		}
		else{
			cvLink4.onmouseover    = function() {cvLink4.src = dir + "images/side_navi/" + "4" + "_ov.gif";}
			cvLink4.onmouseout     = function() {cvLink4.src = dir + "images/side_navi/" + "4" + "_off.gif";}
		}
	}
	return;
}