function ansh(objn,maxobj){var divobj=document.getElementById("ans"+objn);var divobj2=document.getElementById("bck"+objn);if(divobj.style.visibility=="hidden"){allhide(maxobj);divobj.style.height="auto";divobj.style.visibility="visible";divobj2.style.background="#333333";}else{divobj.style.height="0pt";divobj.style.visibility="hidden";divobj2.style.background="none";};};function allhide(maxobj){for(i=1;i<=maxobj;i++){divobj=document.getElementById("ans"+i);divobj2=document.getElementById("bck"+i);divobj.style.height="0pt";divobj.style.visibility="hidden";divobj2.style.background="none";};};