if(document.images){
	url = 'http://' + location.hostname + '/img/act/';
	img1 = new Image();
	img1.src = url + "fpex.gif";
	img2 = new Image();
	img2.src = url + "dlp.gif";
	img3 = new Image();
	img3.src = url + "tig.gif";
	img4 = new Image();
	img4.src = url + "jpatch.gif";
	img5 = new Image();
	img5.src = url + "bbs.gif";
	img6 = new Image();
	img6.src = url + "mail.gif";
	img7 = new Image();
	img7.src = url + "home.gif";
}
function imgChange(name){
	url = document.images[name].src;
	if(url.match('act/')){
		document.images[name].src = url.replace(/act\//i, '');
	}else{
		document.images[name].src = url.replace(/img\//i, 'img/act/');
	}
}