//botones
function showlogo(elmnt)
{
document.getElementById(elmnt).style.visibility="visible";
}
function hidelogo(elmnt)
{
document.getElementById(elmnt).style.visibility="hidden";
}

//pop up
function contacto(url){
var op1 = window.open(url,"form1","top=110,left=25,width=450,height=337")
  op1.focus();
  }
function inscripcion(url){
var op2 = window.open(url,"form2","top=110,left=25,width=340,height=510")
	op2.focus();
	}
function registro(url){
var op3 = window.open(url,"form3","top=110,left=25,width=450,height=337")
	op3.focus();
  }