function convert_data() {
  var vElement = $$('#tabs');
  var vList = $$('#tabs ul');
  var nav = $$('#tabs li');
  var i = 0;
  vList[0].setStyle({display:'none'});

  nav.each(function(link) {
  
    i++;
    var vEnd = (i%3) ? "" : "last";
      
    var vDiv = "<div id=\"flashbtn"+i+"\" class=\"box "+vEnd+"\"></div>";
    vElement[0].insert(vDiv);
    
    var menu = {};
    var vTitle = link.down(0).firstChild.nodeValue;
    var vLink = link.down(0)['href'];
    var vTarget = link.down(0)['target'];
		if (vTarget == "") vTarget = "_self";
 
    var so = new SWFObject("/flash/button.swf", "btn"+i, "158", "91", "7", "#FFFFFF");
    so.addParam("menu", "false");
    so.addVariable("btnLink", vLink );
    so.addVariable("btnTarget", vTarget );
    so.addVariable("btnTitle", vTitle );
    so.write("flashbtn"+i);

  });
 
}

Event.observe(window, 'load', convert_data);