// image preload
if (document.images) {
	var crrntImg=new Array();
//for global
	crrntImg[0]="../image/gv01_ov.jpg"; 
	crrntImg[1]="../image/gv02_ov.jpg"; 
	crrntImg[2]="../image/gv03_ov.jpg"; 
	crrntImg[3]="../image/gv04_ov.jpg"; 
	crrntImg[4]="../image/gv05_ov.jpg"; 
	crrntImg[5]="../image/head_btn_01_ov.jpg"; 
	crrntImg[6]="../image/head_btn_02_ov.jpg"; 
	crrntImg[7]="../image/head_btn_03_ov.jpg"; 
	crrntImg[8]="../image/head_btn_04_ov.jpg"; 
	crrntImg[9]="../image/head_btn_05_ov.jpg"; 
	crrntImg[15]="../image/head_btn_06_ov.jpg";
	crrntImg[10]="../image/btn_footer01_ov.jpg"; 
	crrntImg[11]="../image/btn_footer02_ov.jpg"; 
	crrntImg[12]="../image/btn_footer03_ov.jpg"; 
	crrntImg[13]="../image/btn_footer04_ov.jpg"; 
	crrntImg[14]="../image/btn_footer07_ov.jpg"; 
	preimg();
}