function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function swap(imgName) {
	if (document.images) {
		var test = document.images[imgName].src;
		if (test.indexOf("off")!=-1) {
			document.images[imgName].src = "/lib/wineglobe-store/"+imgName+"_on.gif";
		}
		else {
			document.images[imgName].src = "/lib/wineglobe-store/"+imgName+"_off.gif";
		}
	}
}