var newwin

function pop720_500(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=720,height=500');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=720,height=500');
   }
}

function pop350_300(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=350,height=300');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=350,height=300');
   }
}

function pop375_500(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=375,height=500');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=375,height=500');
   }
}

function pop375_530(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=375,height=530');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=375,height=530');
   }
}

function pop420_350(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=420,height=350');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=420,height=350');
   }
}

function pop420_280(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=420,height=280');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=no,toolbar=no,resize=no,menubar=no,width=420,height=280');
   }
}

function pop450_460(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=450,height=460');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=450,height=460');
   }
}

function pop600_500(url_print)
{
   if (newwin == null)
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=600,height=510');
   else {
      if (!newwin.closed)
         newwin.close();
      newwin = window.open(url_print,null,'scrollbars=yes,toolbar=no,resize=no,menubar=no,width=600,height=510');
   }
}