// This java-script is part of www.3rd-evolution/webtemplate/template.html
// (C) Copyright 2002 by 3rd-Evolution

// Tries to find the sting "pat" inside the sting "str".
// Returns: Index of the first occurance, -1 if not found.
// I use this function, because string::search isn't working
// correctly in opera 4!
function search(str, pat)
{
    var patpos=0;

    for(var i=0 ; i<str.length ; i++) {
        if(str.charAt(i) == pat.charAt(patpos)) {
            patpos++;

            if(patpos >= pat.length)
                return i-pat.length+1;
        } else {
            patpos = 0;
        }
    }

    return -1;
}

// returns
// "Netsc4" for Netscape 4.x and below
// "IE"     for all Internet Explorer
// "Opera"  for all Opera
// "Gecko"  for Netscape 6 and Mozilla or above
// "std"    for the rest of the Browsers...
function getAgentpart(agent) {
  if ((search(agent,"msie") != -1) && (search(agent,"opera") == -1)) return "IE";
  if (search(agent,"opera") != -1) return "Opera";				
  var is_nav  = ((search(agent,"mozilla")!=-1) && (search(agent,"spoofer")==-1)
                && (search(agent,"compatible") == -1) && (search(agent,"opera")==-1)
                && (search(agent,"webtv")==-1) && (search(agent,"hotjava")==-1));
  var is_major = parseInt(navigator.appVersion);
  var is_minor = parseFloat(navigator.appVersion);
  if ((is_nav && (is_major >= 5)) || (search(agent,"gecko") != -1)) return "Gecko";
  if (is_nav) return "Netsc4";
  return "std";  
}

// returns
// "Unix" for any known Unix, resp. Linux
// "Mac" for any MacOS
// "Windows" for any Windows
// "BeOS" for BeOS
// "std" for the unknown rest...
function getOSpart(agent) {
  if (search(agent, "beos") != -1) return "BeOS";
  if ((search(agent,"win")!=-1) || (search(agent,"16bit")!=-1)) return "Windows";
  if (search(agent,"mac")!=-1) return "Mac";
  // Any Unix ?? :-)
  if ( (search(agent,"inux")!=-1) ||
       (search(agent,"x11")!=-1) || (search(agent,"sunos")!=-1) || (search(agent,"irix") !=-1) ||
       (search(agent,"hp-ux")!=-1) || (search(agent,"sco")!=-1) || (search(agent,"unix_sv")!=-1) ||
       (search(agent,"unix_system_v")!=-1) || (search(agent,"ncr")!=-1) ||
       (search(agent,"reliantunix")!=-1) ||
       (search(agent,"dec")!=-1) || (search(agent,"osf1")!=-1) || 
       (search(agent,"dec_alpha")!=-1) || (search(agent,"alphaserver")!=-1) || 
       (search(agent,"ultrix")!=-1) || (search(agent,"alphastation")!=-1) ||
       (search(agent,"sinix")!=-1) || (search(agent,"aix") !=-1)
     ) return "Unix";
  return "std";
}

function set_stylesheet()
{
   // convert all characters to lowercase to simplify testing
   var agent=navigator.userAgent.toLowerCase();
   var css = getAgentpart(agent) + "_" + getOSpart(agent) + ".css";
   document.writeln('<LINK REL="stylesheet" HREF="/common/' + css + '">');
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);
set_stylesheet();

// End of template.js