function fn_fixpng(){
	$('img').ifixpng();
	$('.nav').ifixpng();
	$('.nav_act').ifixpng();
	$('.bg_top').ifixpng();
	$('.bg_bot').ifixpng();
	$('.top_main_detail').ifixpng();
	$('.bot_main_detail').ifixpng();
	$('.bg_video').ifixpng();
}
function fn_clearFormContact(){
	var form = document.contactForm;
	form.n_name.value = '';
	form.n_address.value = '';
	form.n_phone.value = '';
	form.n_email.value = '';
	form.n_title.value = '';
	form.n_content.value = '';
}
function ShowHideBox(vis){
var box = document.getElementById(vis);
if(box.style.display == 'block'){
box.style.display = 'none';
}
else{
box.style.display = 'block';
}
}