function ie_css_masthead_function_fix(el)
{
  el.runtimeStyle.behavior="none";
  if(window.navigator.userAgent.indexOf("MSIE 7")<0)
  {
    el.onmouseover = ie_css_masthead_function_mouseover;  
    el.onmouseout = ie_css_masthead_function_mouseout;
  } 
}

function ie_css_masthead_function_mouseover()
{
  this.all.tags("span")[0].className="block";
  
  return false;
}

function ie_css_masthead_function_mouseout()
{
  this.all.tags("span")[0].className="";
  return false;
}