var flashVersion = 6;

function checkFlash(versionNum)
{
   // This script will test up to the following version.
   flash_versions = 20;

   // Initialize variables and arrays
   var flash = new Object();
   flash.installed=false;
   flash.version='0.0';

   // Dig through Netscape-compatible plug-ins first.
   if (navigator.plugins && navigator.plugins.length) {
      for (x=0; x < navigator.plugins.length; x++) {
         if (navigator.plugins[x].name.indexOf('Shockwave Flash') != -1) {
            flash.version = navigator.plugins[x].description.split('Shockwave Flash ')[1];
            flash.installed = true;
            break;
         }
      }
   }

   // Then, dig through ActiveX-style plug-ins afterwords
   else if (window.ActiveXObject) {
      for (x = 2; x <= flash_versions; x++) {
         try {
            oFlash = eval("new ActiveXObject('ShockwaveFlash.ShockwaveFlash." + x + "');");
            if(oFlash) {
               flash.installed = true;
               flash.version = x + '.0';
            }
         }
         catch(e) {}
      }
   }

   // Create sniffing variables in the following style: flash.ver[x]
   flash.ver = Array();
   for(i = 4; i <= flash_versions; i++) {
      eval("flash.ver[" + i + "] = (flash.installed && parseInt(flash.version) >= " + i + ") ? true : false;");
   }

   // see if the version number is supported
   wholeVersion = flash.version.substring(0,1);

   if (wholeVersion >= versionNum) {
      return true;
   } else {
      return false;
   }
}

function createFlashObject(swf_name, swf_file, swf_width, swf_height, flashVars)
{
   var output = '';

   output += '<object id="'+swf_name+'" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="'+swf_width+'" height="'+swf_height+'" align="middle">';
   output += '<param name="allowScriptAccess" value="sameDomain" />';
   output += '<param name="movie" value="'+swf_file+'" />';
   output += '<param name="quality" value="high" />';
   output += '<param name="bgcolor" value="#ffffff" />';
   output += '<param name="flashVars" value="' + flashVars + '" />';
   output += '<param name="wmode" value="transparent" />';
   output += '<embed src="'+swf_file+'" wmode="transparent" quality="high" bgcolor="#ffffff" width="'+swf_width+'" height="'+swf_height+'" name="'+swf_name+'" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" ';
   output += 'flashVars="'+flashVars+'"';
   output += '/>';
   output += '</object>';

   return output;
}


function drawFlash()
{

	// initialize variables
	var flashVars = "";

	// must pass file and dimensions as minimum req.
	if (drawFlash.arguments.length < 4) {
		return false;
	}

	// grab variables
	var swf_name = drawFlash.arguments[0];
	var swf_file = drawFlash.arguments[1];
	var swf_width = drawFlash.arguments[2];
	var swf_height = drawFlash.arguments[3];
	var alt_name = swf_name + '_alt';

	// create array of flashVars
	for (var i=4; i<drawFlash.arguments.length; i+=2) {
		flashVars += drawFlash.arguments[i] + '=' + drawFlash.arguments[i+1] + '&'; 
	}

	// check that flash is installed
	if (checkFlash(flashVersion)){
		// draw flash object
		document.writeln(createFlashObject(swf_name, swf_file, swf_width, swf_height, flashVars));
	} else {
		// hide the alternate version
		var flashElement = document.getElementById(alt_name);
		//document.getElementById(alt_name).style.display="inline"
		flashElement.style.display = "inline";
		
	}

}