function popup(src){
var i = new Image(); i.src = src;
var pop_win = window.open("","_blank","width="+i.width+",height="+i.height+",scrollbars=no,resizable=yes");
pop_win.window.document.open();
pop_win.window.document.write(
''+i.alt+''
+'
'
);
pop_win.window.document.close();
}