function popup_img(url,size)
{
a = window.open("","",size);
a.document.write("<HTML>");
a.document.write("<TITLE>",url,"</TITLE>");
a.document.write("<BODY TOPMARGIN=0 LEFTMARGIN=0 MARGINHEIGHT=0 MARGINWIDTH=0>");
a.document.write("<IMG SRC=",url," onClick='window.close()'>");
a.document.write("</BODY></HTML>");
a.document.close();
return false ;
}
