function getElementsByClassName(needle) {
   var my_array = document.getElementsByTagName("*");
   var retvalue = new Array();
   var i;
   var j;

   for (i=0,j=0;i<my_array.length;i++) {
      var c = " " + my_array[i].className + " ";
      if (c.indexOf(" " + needle + " ") != -1) retvalue[j++] = my_array[i];
   }
   return retvalue;
}


function toggle(where,what)
{

	var divs = document.getElementById('start');
	divs.className = what;
   
}