// Implements AC_GenerateObj() function. This is a generic function used to generate
// object/embed/param tags. It is used by higher level api functions.

/************** LOCALIZABLE GLOBAL VARIABLES ****************/

var MSG_EvenArgs = 'The %s function requires an even number of arguments.'
                 + '\nArguments should be in the form "atttributeName","attributeValue",...';
var MSG_SrcRequired = "The %s function requires that a movie src be passed in as one of the arguments.";

/******************** END LOCALIZABLE **********************/

// Finds a parameter with the name paramName, and checks to see if it has the 
// passed extension. If it doesn't have it, this function adds the extension.

function AC_AddExtension(args, paramName, extension)
{
   var currArg, paramVal, queryStr, endStr;
   for (var i=0; i < args.length; i=i+2)
   {
      currArg = args[i].toLowerCase();
      if (currArg == paramName.toLowerCase() && args.length > i+1)
      {
         paramVal = args[i+1];
         queryStr = "";
         var indQueryStr = args[i+1].indexOf('?');
         if (indQueryStr != -1)
         {
            paramVal = args[i+1].substring(0, indQueryStr);
            queryStr = args[i+1].substr(indQueryStr);
         }
         endStr = "";
         if (paramVal.length > extension.length)
         endStr = paramVal.substr(paramVal.length - extension.length);
         if (endStr.toLowerCase() != extension.toLowerCase())
         {
            args[i+1] = paramVal + extension + queryStr;
         }
      }
   }
}
function AC_GetCodebase(baseURL, defaultVersion, args)
{
   var codebase = baseURL + defaultVersion;
   for (var i=0; i < args.length; i=i+2)
   {
      currArg = args[i].toLowerCase();
      if (currArg == "codebase" && args.length > i+1)
      {
         if (args[i+1].indexOf("http://") == 0)
         {
            codebase = args[i+1];
         }
         else
         {
            codebase = baseURL + args[i+1];
         }
      }
   }
   return codebase;
}
function AC_sprintf(str)
{
   for (var i=1; i < arguments.length; i++)
   {
      str = str.replace(/%s/,arguments[i]);
   }
   return str;
}
function AC_checkArgs(args,callingFn)
{
   var retVal = true;
   if (parseFloat(args.length/2) != parseInt(args.length/2))
   {
      alert(sprintf(MSG_EvenArgs,callingFn));
      retVal = false;
   }
   return retVal;
}
function AC_GenerateObj(callingFn, useXHTML, classid, codebase, pluginsPage, mimeType, args)
{
   if (!AC_checkArgs(args,callingFn))
   {
      return;
   }
   var tagStr = '';
   var currArg = '';
   var closer = (useXHTML) ? '/>' : '>';
   var srcFound = false;
   var embedStr = '<embed';
   var paramStr = '';
   var embedNameAttr = '';
   var objStr = '<object classid="' + classid + '" codebase="' + codebase + '"';
   for (var i=0; i < args.length; i=i+2)
   {
      currArg = args[i].toLowerCase();
      if (currArg == "src")
      {
         if (callingFn.indexOf("RunSW") != -1)
         {
            paramStr += '<param name="' + args[i] + '" value="' + args[i+1] + '"' + closer + '\n';
            embedStr += ' ' + args[i] + '="' + args[i+1] + '"';
            srcFound = true;
         }
         else if (!srcFound)
         {
            paramStr += '<param name="movie" value="' + args[i+1] + '"' + closer + '\n';
            embedStr += ' ' + args[i] + '="' + args[i+1] + '"';
            srcFound = true;
         }
      }
      else if (currArg == "movie")
      {
         if (!srcFound)
         {
            paramStr += '<param name="' + args[i] + '" value="' + args[i+1] + '"' + closer + '\n';
            embedStr += ' src="' + args[i+1] + '"';
            srcFound = true;
         }
      }
      else if ( currArg == "width"
      || currArg == "height"
      || currArg == "align"
      || currArg == "vspace"
      || currArg == "hspace"
      || currArg == "class"
      || currArg == "title"
      || currArg == "accesskey"
      || currArg == "tabindex")
      {
         objStr += ' ' + args[i] + '="' + args[i+1] + '"';
         embedStr += ' ' + args[i] + '="' + args[i+1] + '"';
      }
      else if (currArg == "id")
      {
         objStr += ' ' + args[i] + '="' + args[i+1] + '"';
         if (embedNameAttr == "")
         embedNameAttr = ' name="' + args[i+1] + '"';
      }
      else if (currArg == "name")
      {
         objStr += ' ' + args[i] + '="' + args[i+1] + '"';
         embedNameAttr = ' ' + args[i] + '="' + args[i+1] + '"';
      }
      else if (currArg == "codebase")
      {
      }
      else
      {
         paramStr += '<param name="' + args[i] + '" value="' + args[i+1] + '"' + closer + '\n';
         embedStr += ' ' + args[i] + '="' + args[i+1] + '"';
      }
   }
   if (!srcFound)
   {
      alert(AC_sprintf(MSG_SrcRequired,callingFn));
      return;
   }
   if (embedNameAttr)
   embedStr += embedNameAttr;
   if (pluginsPage)
   embedStr += ' pluginspage="' + pluginsPage + '"';
   if (mimeType)
   embedStr += ' type="' + mimeType + '"';
   objStr += '>\n';
   embedStr += '></embed>\n';
   tagStr = objStr + paramStr + embedStr + "</object>\n";
   document.write(tagStr);
}