//-----------------------------------------------------
//swap image
//-----------------------------------------------------


var globalNaviImageList = new Array();
var globalNaviPreloadFlag = false;

function globalNaviPreLoad(){
	globalNaviImageList = new Array();
	globalNaviPreloadFlag = false;
	for (var i=1; i<=4; i++) {
		globalNaviImageList[i]  = new Image();
		globalNaviImageList[i].src = "http://www.nissan-global.com/COMMON/IMAGES/globalNavi_btn_0" + i + "_on_en.gif";
	}
	globalNaviPreloadFlag = true;
}



function imageOn(n){
	if(globalNaviPreloadFlag) document.images['menu0'+n].src = globalNaviImageList[n].src;
}

function imageOff(n){
	if(globalNaviPreloadFlag) document.images['menu0'+n].src = "http://www.nissan-global.com/COMMON/IMAGES/globalNavi_btn_0" + n + "_off_en.gif";
}