function imgpopup(id) {
        var tmp=new Image();
        tmp.src="/nagy/"+id+".jpg";;
        var img=tmp;
        var wid=img.width;
        var hei=img.height;
        var wref=window.open('/popup.cgi?id='+id, 'ak_imgpopup','width='+wid+',height='+hei+',resize=0,status=no,toolbar=no,scroll=no');
        //wref.resizeBy(wid-wref.document.body.clientWidth,hei-wref.document.body.clientHeight);
        }

function swapimg(imgobj,url) {
	imgobj.src=url;
	}