jQuery(document).ready(function ()
{
    //Left
    jQuery("#locationTheHague").hover(function(){MouseIn(".overlayTheHague")}, function(){MouseOut(".overlayTheHague")});
    jQuery("#locationRussia").hover(function(){MouseIn(".overlayRussia")}, function(){MouseOut(".overlayRussia")});
    jQuery("#locationLugano").hover(function(){MouseIn(".overlayLugano")}, function(){MouseOut(".overlayLugano")});
    jQuery("#locationParis").hover(function(){MouseIn(".overlayParis")}, function(){MouseOut(".overlayParis")});

    //Right
    jQuery("#locationNewYork").hover(function () { MouseIn(".overlayNewYork") }, function () { MouseOut(".overlayNewYork") });
    jQuery("#locationGeorgia").hover(function () { MouseIn(".overlayGeorgia") }, function () { MouseOut(".overlayGeorgia") });
});

function MouseIn(divClassName)
{
    jQuery(divClassName).css("visibility", "visible");
}

function MouseOut(divClassName)
{
    jQuery(divClassName).css("visibility", "hidden");
}