function addCookie(szName,szValue,dtDaysExpires)
{
 var dtExpires = new Date();
 var dtExpiryDate = '';

 dtExpires.setTime(dtExpires.getTime()+dtDaysExpires*86400000);
 dtExpiryDate = dtExpires.toGMTString();
 document.cookie = szName+"="+szValue+"; expires="+dtExpiryDate;
}


function findCookie(szName)
{
 var i = 0;
 var nStart = 0;
 var nEnd   = 0;
 var szCook = document.cookie;

 while (i <= szCook.length)
 {
   nStart = i;
   nEnd = nStart+szName.length;
   if (szCook.substring(nStart,nEnd) == szName)
   {
     nStart = nEnd+1;
     nEnd=document.cookie.indexOf(";",nStart);
     if (nEnd < nStart)
       nEnd = document.cookie.length;
     return document.cookie.substring(nStart,nEnd);
     break;
   }
  i++;
 }
 return "";
}

 nav   = navigator.appName;
 width = screen.width;
 ie    = nav.indexOf('Microsoft')>=0;
 ns6   = (nav.indexOf('Netscape')>=0) &&  (navigator.appVersion.charAt(0)>=5);
 isbox = ie || ns6;

  ieres=findCookie("astroieres");
   if (ieres.length==0)
   {
    if (width<=800)  ieres="10";
     else if (width<=1280)  ieres="12";
        else  ieres="14";
    addCookie("astroieres",ieres,365);
   }

  if (document.all) ie=1;
  
  if (ie) document.writeln('<link rel="StyleSheet" href="./css/ie'+ieres+'.css" type="text/css">');
    else  document.writeln('<link rel="StyleSheet" href="./css/ns'+ieres+'.css" type="text/css">');


 function modified()
 { var dmy = new Date(document.lastModified);
   var d = dmy.getDate();  if (d<10) d = '0'+d;
   var m = dmy.getMonth()+1; if (m<10) m = '0'+m;
   var y = dmy.getYear();  if (y<10) y = '0'+y;
   var s = d + '.' + m + '.' + y;
   return (s);
 }

function mOvr(src)
 { // if (ie) if(!src.contains(event.fromElement)) 
  src.style.backgroundColor='#EEEEEE'; }

function mOut(src)
 { // if (ie) if(!src.contains(event.toElement)) 
  src.style.backgroundColor='#DDDDDD'; }

function mClk(src)
 { 
   if (ie) { if(event.srcElement.tagName=='TD') src.children.tags('A')[0].click() } 
   location.href=src.children[0];
  }


function DrawCSS()
{ var bg10, bg12, bg14;
  if (isbox)
  {
    bg10=(ieres=="10") ? ' BGCOLOR=#EEEEEE' : ' ONMOUSEOVER="mOvr(this);" ONMOUSEOUT="mOut(this);"';
    bg12=(ieres=="12") ? ' BGCOLOR=#EEEEEE' : ' ONMOUSEOVER="mOvr(this);" ONMOUSEOUT="mOut(this);"';
    bg14=(ieres=="14") ? ' BGCOLOR=#EEEEEE' : ' ONMOUSEOVER="mOvr(this);" ONMOUSEOUT="mOut(this);"';
    document.writeln('<TABLE BORDER="0"  WIDTH=60% CELLSPACING="1" CELLPADDING="0">');
    document.writeln('<TR ALIGN="CENTER" BGCOLOR="#DDDDDD"><TD COLSPAN=3><SMALL>Øðèôò</SMALL></TD></TR>');
    document.writeln('<TR  ALIGN="CENTER" BGCOLOR="#DDDDDD">');
    document.writeln('<TD'+bg10+' ONCLICK="ChangeCSS(10);" STYLE="cursor: hand" WIDTH=33%><SMALL><A HREF="javascript:ChangeCSS(10);">1</A></SMALL></TD>');
    document.writeln('<TD'+bg12+' ONCLICK="ChangeCSS(12);" STYLE="cursor: hand" WIDTH=33%><SMALL><A HREF="javascript:ChangeCSS(12);">2</A></SMALL></TD>');
    document.writeln('<TD'+bg14+' ONCLICK="ChangeCSS(14);" STYLE="cursor: hand" WIDTH=33%><SMALL><A HREF="javascript:ChangeCSS(14);">3</A></SMALL></TD>');
    document.writeln('</TR>');
    document.writeln('</TABLE>');
   }
   else document.writeln('&nbsp;');
 }


function ChangeCSS(n)
{
 ieres=n;
 addCookie("astroieres",ieres,365);
 window.location.href=window.location.href;
}