newwin=new Array();

function popup(t, s, w, h){
 newwin[t]=window.open("","","width="+w+" height="+h+"");
 newwin[t].document.body.style.margin=0;
 newwin[t].document.title=t;
 newwin[t].document.body.innerHTML+='<a href="javascript:window.close()"><img border="0" src="'+s+'"></a>';
}