function generateEmbedCode() {
  var app_version = "0.1";
  var win = $('win').value.split('|');
  var win_width = win[0];
  var win_height = win[1];
  var detail   = $('detail').value; 
  var img_url1 = $('img_url1').value;
  var content ='<embed type="application/x-shockwave-flash" src="http://dimension.w3haus.co.uk/swf/dimension.swf" width="' + win_width + '" height="' + win_height +'" flashvars="detail='+detail+'&win_width='+win_width+'&win_height='+win_height+'&app_version=0.1&img_url1='+img_url1+'" allowFullScreen="true" pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>';
  $('codearea').show();
  $('embedCode').value = content;
  $('previewPan').innerHTML = content;
}