var mainFlag = 0;
var mainImgList = new Array();
var areaImgList = new Array();
var mainImgDir = "../img/";

mainImgList[0] = new Image();
mainImgList[0].src = mainImgDir + "apl10101_btn_off.gif";
mainImgList[1] = new Image();
mainImgList[1].src = mainImgDir + "apl10101_btn_on.gif";
mainImgList[2] = new Image();
mainImgList[2].src = mainImgDir + "dhbrs10101_btn_off.gif";
mainImgList[3] = new Image();
mainImgList[3].src = mainImgDir + "dhbrs10101_btn_on.gif";

areaImgList[0] = new Image();
areaImgList[0].src = mainImgDir + "btn_10102_off.gif";
areaImgList[1] = new Image();
areaImgList[1].src = mainImgDir + "btn_10102_1_on.gif";
areaImgList[2] = new Image();
areaImgList[2].src = mainImgDir + "btn_10102_2_on.gif";
areaImgList[3] = new Image();
areaImgList[3].src = mainImgDir + "btn_10102_3_on.gif";
areaImgList[4] = new Image();
areaImgList[4].src = mainImgDir + "btn_10102_4_on.gif";
areaImgList[5] = new Image();
areaImgList[5].src = mainImgDir + "btn_10102_5_on.gif";

mainFlag = 1;

function mainSwap(imgName, fnc){
	if(mainFlag == 1){
		imgName.src = mainImgList[fnc].src;
	}
}

function areaSwap(imgName, fnc){
	ua = navigator.userAgent.toLowerCase();
	
	if(ua.indexOf('macintosh') == -1){
		swapFlag = 1;
	}else{
		if((ua.indexOf('os x') == -1) && (ua.indexOf('netscape') != -1)){
			swapFlag = 0;
		}else{
			swapFlag = 1;
		}
	}

	if((mainFlag == 1) && (swapFlag == 1)){
		document.images[imgName].src = areaImgList[fnc].src;
	}
}