var path  = "../img/menu_chi/";
if (document.images) {
//preload images

//About Us Menu
aboutus_on = new Image();
aboutus_on.src = path + "menu_aboutus.gif";
aboutus_over = new Image();
aboutus_over.src = path + "menu_aboutus_over.gif";

//Product
product_on = new Image();
product_on.src = path + "menu_product.gif";
product_over = new Image();
product_over.src = path + "menu_product_over.gif";

//Clinic
clinic_on = new Image();
clinic_on.src = path + "menu_clinic.gif";
clinic_over = new Image();
clinic_over.src = path + "menu_clinic_over.gif";

//Contact
contact_on = new Image();
contact_on.src = path + "menu_contact.gif";
contact_over = new Image();
contact_over.src = path + "menu_contact_over.gif";

//Dist
dist_on = new Image();
dist_on.src = path + "menu_dist.gif";
dist_over = new Image();
dist_over.src = path + "menu_dist_over.gif";

//News
news_on = new Image();
news_on.src = path + "menu_news.gif";
news_over = new Image();
news_over.src = path + "menu_news_over.gif";

//Promo
promo_on = new Image();
promo_on.src = path + "menu_promo.gif";
promo_over = new Image();
promo_over.src = path + "menu_promo_over.gif";

//DISCUSS
discuss_on = new Image();
discuss_on.src = path + "menu_discuss.gif";
discuss_over = new Image();
discuss_over.src = path + "menu_discuss_over.gif";

}
var message = new Array(4);
var count=0;

message[0] = "Åwªï";
message[1] = "¸UÀ³";
message[2] = "23";
message[3] = "33";

//for display
function displayMsg() {
     if (count > 3)
               count = 0;
     window.status=message[count];
     count ++;
     window.setTimeout("displayMsg()",1000);
}

//displayMsg(0);


//swap function
function imgOn(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "_on.src");
           // document['holder'].src = eval(imgName + "ad.src");
         }
}

function imgOver(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "_over.src");
           // document['holder'].src = eval(imgName + "ad.src");
         }
}