function SubWin(url,x,y,na){
var windowFeatures = "width=" + x
+ ",height=" + y + ",top=0,left=0";
subwin=window.open("", "subwin", windowFeatures);
subwin.document.open();
subwin.document.writeln("");
subwin.document.writeln(""
+ na + "");
subwin.document.writeln("");
subwin.document.writeln("![" + na + "](" + url
+ ")
");
subwin.document.writeln("");
subwin.document.close();
return false;
}