function qq(i)
{
 switch(i)
 {
case 1:
document.getElementById("qq1").style.display="block";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="none";
break;
 case 2:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="block";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="none";
break;
case 3:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="block";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="none";
break;
case 4:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="block";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="none";
break;
case 5:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="block";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="none";
break;
case 6:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="block";
document.getElementById("qq7").style.display="none";
break;
case 7:
document.getElementById("qq1").style.display="none";
document.getElementById("qq2").style.display="none";
document.getElementById("qq3").style.display="none";
document.getElementById("qq4").style.display="none";
document.getElementById("qq5").style.display="none";
document.getElementById("qq6").style.display="none";
document.getElementById("qq7").style.display="block";
break;
 }
}