$(document).ready(function() {
    $('#social-icons a').hover(function() {
       $(this).find('.icon-title').css("display", "block");
    }, function() {
        $(this).find('.icon-title').css("display", "none");
    });
});

function isEmail(email) {
  var filter = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
  if (!filter.test(email)) {
    return false;
  } else {
    return true;
  }
}

function pullDown(elm, source) {
    var current_box = $("#pulldown-boxes .box:visible");

    if(current_box.attr("id") == elm) {
        current_box.css("z-index", 2).slideUp("fast");
        $(source).removeClass('active');
    } else {
        current_box.css("z-index", 2).slideUp("fast");
        $("#"+elm).css("z-index", 5).slideDown("fast");
        
        $("#navigation a.active").removeClass('active');
        $(source).addClass('active');
    }

    return false;
}