Browser = false ;
if (((navigator.appName.charAt(0)=="N") && (navigator.appVersion.charAt(0)>=3)) || ((navigator.appName.charAt(0)=="M") && (navigator.appVersion.charAt(0)>=4))) {
    Browser = true;
    
   
    about_off= new Image();
    about_off.src = "images/nav/about_off.gif";
    about_over = new Image();
    about_over.src = "images/nav/about_over.gif";
    
    contact_off= new Image();
    contact_off.src = "images/nav/contact_off.gif";
    contact_over = new Image();
    contact_over.src = "images/nav/contact_over.gif";
    
    home_off= new Image();
    home_off.src = "images/nav/home_off.gif";
    home_over = new Image();
    home_over.src = "images/nav/home_over.gif";
    
    approach_off= new Image();
    approach_off.src = "images/nav/approach_off.gif";
    approach_over = new Image();
    approach_over.src = "images/nav/approach_over.gif";
    
    coaching_off= new Image();
    coaching_off.src = "images/nav/coaching_off.gif";
    coaching_over = new Image();
    coaching_over.src = "images/nav/coaching_over.gif";
    
    community_off= new Image();
    community_off.src = "images/nav/community_off.gif";
    community_over = new Image();
    community_over.src = "images/nav/community_over.gif";
    
    trainings_off= new Image();
    trainings_off.src = "images/nav/trainings_off.gif";
    trainings_over = new Image();
    trainings_over.src = "images/nav/trainings_over.gif";
    
    

    }    

function rollover(place, imgName) {
    if (Browser == true) {
        document[place].src =eval(imgName + ".src");
    }
}



function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,status=0,menubar=0,resizable=1,width=700,height=600,left = 500,top = 200');");
}