function change2()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box3style.style.display = "none";
box4style.style.display = "none";
box5style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "none";
box2style.style.display = "block";

}
function change3()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box2style.style.display = "none";
box4style.style.display = "none";
box5style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "none";
box3style.style.display = "block";

}
function change4()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box2style.style.display = "none";
box3style.style.display = "none";
box5style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "none";
box4style.style.display = "block";

}
function change5()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box2style.style.display = "none";
box3style.style.display = "none";
box4style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "none";
box5style.style.display = "block";

}
function change6()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box2style.style.display = "none";
box3style.style.display = "none";
box4style.style.display = "none";
box5style.style.display = "none";
box7style.style.display = "none";
box6style.style.display = "block";

}
function change7()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box1style.style.display = "none";
box2style.style.display = "none";
box3style.style.display = "none";
box4style.style.display = "none";
box5style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "block";

}
function change1()
{
   
var box1style = document.getElementById("box1");
var box2style = document.getElementById("box2");
var box3style = document.getElementById("box3");
var box4style = document.getElementById("box4");
var box5style = document.getElementById("box5");
var box6style = document.getElementById("box6");
var box7style = document.getElementById("box7");

box2style.style.display = "none";
box3style.style.display = "none";
box4style.style.display = "none";
box5style.style.display = "none";
box6style.style.display = "none";
box7style.style.display = "none";
box1style.style.display = "block";

}