function row_toggle(on,off) {                                                                                                   
toggle(on,'table-row');
toggle(off,'none');
}                  

function block_toggle(on,off) {                                                                                                   
toggle(on,'block');
toggle(off,'none');
}                  
                   
function toggle(what,how){                                                                                                       
var what_array = what.split(',');                                                                                                
var idnum=0;    
while (idnum < what_array.length)                                                                                             
{                  
  if (document.getElementById(what_array[idnum]) != null) {                                                                     
                   
if(how == null) {  
 if(document.getElementById(what_array[idnum]).style.display == "none") {
   document.getElementById(what_array[idnum]).style.display = "block";                                                        
 }else{ 
   document.getElementById(what_array[idnum]).style.display = "none";                                                         
 }                 
} else {           
   document.getElementById(what_array[idnum]).style.display = how;                                                            
}                  
}
idnum++;        
}                  
}