function showIt(search){
document.getElementById(search).style.display="block";
if ( search == "s1" ){
document.getElementById("s2").style.display="none";
document.getElementById("s3").style.display="none";
document.getElementById("s4").style.display="none";
document.getElementById("s5").style.display="none";
} else if(search == "s2"){
document.getElementById("s1").style.display="none";
document.getElementById("s3").style.display="none";
document.getElementById("s4").style.display="none";
document.getElementById("s5").style.display="none";
} else if(search == "s3"){
document.getElementById("s1").style.display="none";
document.getElementById("s2").style.display="none";
document.getElementById("s4").style.display="none";
document.getElementById("s5").style.display="none";
} else if(search == "s4"){
document.getElementById("s1").style.display="none";
document.getElementById("s2").style.display="none";
document.getElementById("s3").style.display="none";
document.getElementById("s5").style.display="none";
} else if(search == "s5"){
document.getElementById("s1").style.display="none";
document.getElementById("s2").style.display="none";
document.getElementById("s3").style.display="none";
document.getElementById("s4").style.display="none";
}
}
function side(id)
{
       test = document.getElementById(id);
       var names=Array('w1','w2','w3','w4','w5','w6','w7','w8','w9','w10','w11','w12','w13','w14','w15');
       delete names[id];
       for(i=0;i<names.length;i++)
       {
                 document.getElementById(names[i]).style.display="none";
       }
       test.style.display="block";
}