// JavaScript Document

function CambiaDisplay(c){
	for (i = 1; i<4 ; i++) document.getElementById("cual"+i).style.display = "none";
	document.getElementById(c).style.display = "block";
}

function es_email(email) {
    var reg = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]{2,}[.][a-zA-Z0-9]{2,4}$/
    var reg2 = /[.@]{2,}/
    return ((reg.exec(email)!=null) && (reg2.exec(email)==null))
 }
 
function InnerSize() {
  var myWidth = 0, myHeight = 0;
  var sizeArray = new Array(2)
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  sizeArray[0] = myWidth;
  sizeArray[1] = myHeight;
  return sizeArray;
}