function fixmacie(classname){        
var divs=document.getElementsByTagName("DIV");   
  for(var d=0; d < divs.length;d++){     
 if(divs[d].className.indexOf(classname)==0){    
 divs[d].innerHTML+= "<div class='mac-clearfix'> </div>"; 
/* The above html tags get added to the end of 
the cleared container if the browser is IE/mac. */  
 } } }
 
function init(){
/* Check if the browser is IE5 Mac */
   if( navigator.appVersion.indexOf('Mac')!=-1 && document.all){     
/* Pass the class name on the container to fixmacie 
(must be the FIRST classname if multiple classnames 
are used on the div!) */    
 fixmacie("clearfix");  
 } }
 
/* start the ball rolling when the page loads */
window.onload=init;