/*Set image on middlemenu mouse hover*/

var is_chrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;

function showImage(imgNum){   
    var img = document.getElementById("middleImage"+imgNum); 
    if(is_chrome){
        img.style.marginTop='-'+19+'px';  
       document.getElementById("middleMenuItem"+imgNum).style.marginTop=8+'px';         
    }   
    img.style.display = 'block'; 
}

function hideImage(imgNum){    
    document.getElementById("middleImage"+imgNum).style.display = 'none';   
}