function cambiar00(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="Wireless Solutions";
   } else {
      obj.style.display="block";
     key.innerHTML="Wireless Solutions";
   }
}
function cambiar01(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="Products";
   } else {
      obj.style.display="block";
     key.innerHTML="Products";
   }
}
function cambiar02(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="Services";
   } else {
      obj.style.display="block";
     key.innerHTML="Services";
   }
}
function cambiar03(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML=" Custom development";
   } else {
      obj.style.display="block";
     key.innerHTML=" Custom development";
   }
}