function setTwotab(name,cursel,n){
 for(i=1;i<=2;i++){   
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"curr":"";   
 con.style.display=i==cursel?"block":"none"; 
 }   
} 

function setThreetab(name,cursel,n){
 for(i=1;i<=3;i++){   
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"curr":"";   
 con.style.display=i==cursel?"block":"none"; 
 }   
}