function verblock(xblock,i) {
 
var obj1   = document.getElementById("desc"+i);
var obj1a   = document.getElementById("a"+i);
obj1.style.display   = "none";
obj1a.style.borderBottom= "1px solid #8A8573"; 
obj1a.className = "pestanas"; 

var obj2   = document.getElementById("google"+i);
var obj2b   = document.getElementById("b"+i);
obj2.style.display   = "none";
obj2b.style.borderBottom= "1px solid #8A8573"; 
obj2b.className = "pestanas"; 

var obj3   = document.getElementById("planos"+i);
var obj3c   = document.getElementById("c"+i);
obj3.style.display   = "none";
obj3c.style.borderBottom= "1px solid #8A8573"; 
obj3c.className = "pestanas"; 

if (xblock==1) { obj1.style.display = "block";obj1a.className = "pestanas_1"; }
 
if (xblock==2) { obj2.style.display = "block";obj2b.className = "pestanas_1"; }
 
if (xblock==3) { obj3.style.display = "block";obj3c.className = "pestanas_1"; }
 
}