// image preload
if (document.images) {
	var crrntImg=new Array();
//for global
	crrntImg[0]="/images/menu_about_f2.jpg"; 
	crrntImg[1]="/images/menu_solution_f2.jpg"; 
	crrntImg[2]="/images/menu_shop_f2.jpg"; 
	crrntImg[3]="/images/menu_company_f2.jpg"; 
	crrntImg[4]="/images/menu_inquiry_f2.jpg"; 
	preimg();
}