//Javascript Document 

function toggle(obj1,obj2){  

     var more=document.getElementById(obj1);  
	 var less=document.getElementById(obj2);

       if(!more)return true;  

       if(more.style.display=="none"){  

         more.style.display="block";
		 less.style.display="none";

       } else {  

         more.style.display="none";
		 less.style.display="block";

       }return true;  

}