function alternate(id){
 if(document.getElementsByTagName){  
   var table = YAHOO.util.Dom.getElementsByClassName('fot-resultTable','table');  
 if(table[0]){  

	var rows = table[0].getElementsByTagName("tr");  
   for(i = 0; i < rows.length; i++){          
 //manipulate rows
     if(i % 2 == 0){
       rows[i].className = "odd";
     }else{
       rows[i].className = "even";
	 }
}      
   }
 }
}