function OpenCorp()
{
    window.open("http://midirectv.directv.com.ar/", "_self");
}

function SendMail()
{
    window.open("mailto:directv_friends@directvla.com.ar", "_blank");
}

function SetHiddenValue()
{
    var hidden = document.getElementById("alto");
    var height = document.getElementById("mainDiv").offsetHeight;
    
    if (height > 500)
    {
        hidden.value = height;
    }
    else
    {
        hidden.value = 500;
    }
}