var shopnav_btns = new Array('btn_winkel_culinair', 'btn_winkel_mc', 'btn_winkel_gezondheid');
var shopnav_01 = new Array();
var shopnav_02 = new Array();
var currentShopItem=999;

if (document.images){
	for (j=0;j<shopnav_btns.length;j++){
		shopnav_01[j] = new Image();
		shopnav_01[j].src = "images/" + shopnav_btns[j] + ".gif"
		shopnav_02[j] = new Image();
		shopnav_02[j].src = "images/" + shopnav_btns[j] + "_mo.gif";
	}
}

function shopover(no){
	if(no!=currentShopItem){
		if (document.images){
			document.images[shopnav_btns[no]].src = shopnav_02[no].src;
		}
	}
}
function shopout(no){
	if(no!=currentShopItem){
		if (document.images){
			document.images[shopnav_btns[no]].src = shopnav_01[no].src;
		}
	}
}

function shopset(no){
	if(no!=currentShopItem){
		if (document.images){
			document.images[shopnav_btns[no]].src = shopnav_02[no].src;
			currentShopItem=no;
		}
	}
}