var gPreloadFlag = false;
var gImgSrc = new Array();
gImgSrc['area01'] = '/plan/images/btn_area01_on.gif';
gImgSrc['area02'] = '/plan/images/btn_area02_on.gif';
gImgSrc['area03'] = '/plan/images/btn_area03_on.gif';
gImgSrc['area04'] = '/plan/images/btn_area04_on.gif';
gImgSrc['area05'] = '/plan/images/btn_area05_on.gif';
gImgSrc['area06'] = '/plan/images/btn_area06_on.gif';
gImgSrc['area07'] = '/plan/images/btn_area07_on.gif';
gImgSrc['area08'] = '/plan/images/btn_area08_on.gif';
gImgSrc['area09'] = '/plan/images/btn_area09_on.gif';
gImgSrc['area10'] = '/plan/images/btn_area10_on.gif';