<!-- 

function hide(el_id){ 

var temp=document.getElementById(el_id).style; 

temp.visibility=(temp.visibility=='hidden')?'visible':'hidden'; 

} 
function remove(el_id){ 

var temp=document.getElementById(el_id).style; 

temp.display=(temp.display=='none')?'block':'none'; 

} 

function show(el_id){ 

var temp=document.getElementById(el_id).style; 

temp.visibility=(temp.visibility=='visible')?'visible':'visible'; 

} 

//-->