/*function openWin (url, mytitle,winwidth,winheight,winleft,wintop) {
   if (!winleft) {
     winleft = (screen.width / 2) - (winwidth / 2);
   }
   if (!wintop) {
     wintop = (screen.height / 2) - (winheight / 2);
   }  window.open(url,mytitle,'width='+winwidth+',height='+winheight+',left='+winleft+',top='+wintop+',scrollbars=no,menubar=no');
   }*/