function screenres()
  {
  var nres;
  var sres;
  browserName = navigator.appName;
  browserVer = parseInt(navigator.appVersion);
  if (browserName == "Netscape" && browserVer >= 4 || browserName ==
  "Microsoft Internet Explorer" && browserVer >= 4)
    version = "1";
  else if (browserName == "Netscape" && browserVer >= 3)
    version = "2";
  else
    version = "3";

if (version == "1")
 {
 var swidth =screen.width;
 nres=6;
 if (swidth>640)
   nres=8;
 if (swidth>800)
   nres=0;
 }
if (version == "2")
 {
 var toolkit = java.awt.Toolkit.getDefaultToolkit();
 var screen_size = toolkit.getScreenSize();
 var swidth=screen_size.width;
 nres=6;
 if (swidth>640)
   nres=8;
 if (swidth>800)
   nres=0;
 }
if (version == "3")
  nres=0;

sres="greater than 800x600";
if (nres==6)
  sres="640x480";
if (nres==8)
  sres="800x600";

  if (nres>0)
    {
document.write('<font color="red">'+"<b>Screen resolution detected is " + sres+". Use <u>Show full size</u> for better picture</b></font><br>");
    }
  }

function openwin(piccy,width,height,name,res,folder,title)
  {
  var nres;
  browserName = navigator.appName;
  browserVer = parseInt(navigator.appVersion);
  if (browserName == "Netscape" && browserVer >= 4 || browserName ==
  "Microsoft Internet Explorer" && browserVer >= 4)
    version = "1";
  else if (browserName == "Netscape" && browserVer >= 3)
    version = "2";
  else
    version = "3";

if (version == "1")
 {
 var swidth =screen.width;
 nres=6;
 if (swidth>640)
   nres=8;
 if (swidth>800)
   nres=0;
 }
if (version == "2")
 {
 var toolkit = java.awt.Toolkit.getDefaultToolkit();
 var screen_size = toolkit.getScreenSize();
 var swidth=screen_size.width;
 nres=6;
 if (swidth>640)
   nres=8;
 if (swidth>800)
   nres=0;
 }
if (version == "3")
  nres=0;

res=nres;

  if (res == 0)
    {
    adjwidth  = width + 60;
    adjheight = height + 95;
    width1    = width;
    height1   = height;
    }
  else if (res == 8)
    {
    adjwidth  = width *.75 + 60;
    adjheight = height *.75 + 95;
    width1    = width *.75;
    height1   = height *.75;
    }
  else
    {
    adjwidth  = width *.5 + 60;
    adjheight = height *.5 + 95;
    width1    = width *.5;
    height1   = height *.5;
    }
  
  OpenWindow=window.open("",'windowName','width=' + adjwidth + ',height=' + adjheight + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes');
  OpenWindow.document.write('<html>')
  OpenWindow.document.write('<title>'+title+' - please wait for picture to load</title>')

  if (res == 0)
    {
  OpenWindow.document.write('<center><form>'+name+' <input type="Button" value="Close" onClick="self.close()"></center></form>')
    }
  else
    {
  OpenWindow.document.write('<center><form>'+name+' <input type="Button" value="Close" onClick="self.close()"> <a href="'+folder+'/'+piccy+'">Show full size</a></center></form>')
    }   
  OpenWindow.document.write('<body text="black">')
  OpenWindow.document.write('<table border=4><tr><td>')
  OpenWindow.document.write('<img src="'+piccy+'" height='+height1+' width='+width1+'><br>')
  OpenWindow.document.write('</td></tr></table>')
  OpenWindow.document.write('</body>')
  OpenWindow.document.write('</html>')


  }

