// JavaScript Document

<!-- Begin

var re=true;

var re1=true;

var re2=true;

var re3=true;

var re4=true;

function xia() {

if (re) {

  document.all.cont.style.visibility="visible";

  re=false;

}

else {

  document.all.cont.style.visibility="hidden";

  re=true;

}

}

function xia1() {

if (re1) {

  document.all.cont1.style.visibility="visible";

  re1=false;

}

else {

  document.all.cont1.style.visibility="hidden";

  re1=true;

}

}

function xia2() {

if (re2) {

  document.all.cont2.style.visibility="visible";

  re2=false;

}

else {

  document.all.cont2.style.visibility="hidden";

  re2=true;

}

}function xia3() {

if (re3) {

  document.all.cont3.style.visibility="visible";

  re3=false;

}

else {

  document.all.cont3.style.visibility="hidden";

  re3=true;

}

}function xia4() {

if (re4) {

  document.all.cont4.style.visibility="visible";

  re4=false;

}

else {

  document.all.cont4.style.visibility="hidden";

  re4=true;

}

}



//  End -->
