function switchTag(x){ 
if(x=="1") 
{ 
document.getElementById("txt1").className="open11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="close11";
} 
if(x=="2") 
{
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="open11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11";
document.getElementById("txt9").className="close11";
} 
if(x=="3") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="open11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="close11";
}
if(x=="4") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="open11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11";
document.getElementById("txt9").className="close11";
} 
if(x=="5") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="open11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="close11";
} 
if(x=="6") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="open11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="close11";
} 
if(x=="7") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="open11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="close11";
} 
if(x=="8") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="open11"; 
document.getElementById("txt9").className="close11"; 
}
if(x=="9") 
{ 
document.getElementById("txt1").className="close11"; 
document.getElementById("txt2").className="close11"; 
document.getElementById("txt3").className="close11"; 
document.getElementById("txt4").className="close11"; 
document.getElementById("txt5").className="close11"; 
document.getElementById("txt6").className="close11"; 
document.getElementById("txt7").className="close11"; 
document.getElementById("txt8").className="close11"; 
document.getElementById("txt9").className="open11"
} 
}