var nowactive='';
var old='';
function active(im){
	old = nowactive;
	nowactive = im;
	document[im].src = 'img/btn/' + im + '_s.gif';
}
function flipoff(im){
	if (nowactive!=im){
		document[im].src = 'img/btn/' + im + '.gif';
	}
}
function flipon(im){
	document[im].src = 'img/btn/' + im + '_s.gif';
}

var myimg=new Array();
function preloadimg(){
	for (i=0;i<preloadimg.arguments.length;i++){
		myimg[i]=new Image();
		myimg[i].src=preloadimg.arguments[i];
	}
}
preloadimg("img/btn/collection_s.gif", "img/btn/news_s.gif", "img/btn/press_s.gif", "img/btn/contact_s.gif", "img/btn/shop_s.gif");