function getElementsByClassName(class_name)
{
var all_obj,ret_obj=new Array(),j=0,teststr;
if(document.all)all_obj=document.all;
else if(document.getElementsByTagName && !document.all)
  all_obj=document.getElementsByTagName("div");

for(i=0;i<all_obj.length;i++)
{
  if(all_obj[i].className.indexOf(class_name)!=-1)
  {
	teststr=","+all_obj[i].className.split(" ").join(",")+",";
	if(teststr.indexOf(","+class_name+",")!=-1)
	{
	  ret_obj[j]=all_obj[i];
	  j++;
	}
  }
}
return ret_obj;
}