var i;
var array_idx = 12
var imgof_j = new Array();
var imgov_j = new Array();

for(i=0; i<=array_idx; i++) {
   imgof_j[i] = new Image();
   imgov_j[i] = new Image();
}

imgof_j[1].src = "img/link/link_of_catfriend.gif";
imgov_j[1].src = "img/link/link_ov_catfriend.gif";
imgof_j[2].src = "img/link/link_of_catbreeder.gif";
imgov_j[2].src = "img/link/link_ov_catbreeder.gif";
imgof_j[3].src = "img/link/link_of_friend.gif";
imgov_j[3].src = "img/link/link_ov_friend.gif";
imgof_j[4].src = "img/link/link_of_cata.gif";
imgov_j[4].src = "img/link/link_ov_cata.gif";
imgof_j[5].src = "img/link/link_of_goods.gif";
imgov_j[5].src = "img/link/link_ov_goods.gif";
imgof_j[6].src = "img/link/link_of_food.gif";
imgov_j[6].src = "img/link/link_ov_food.gif";
imgof_j[7].src = "img/link/link_of_animalh.gif";
imgov_j[7].src = "img/link/link_ov_animalh.gif";
imgof_j[8].src = "img/link/link_of_vet.gif";
imgov_j[8].src = "img/link/link_ov_vet.gif";
imgof_j[9].src = "img/link/link_of_mat.gif";
imgov_j[9].src = "img/link/link_ov_mat.gif";
imgof_j[10].src = "img/link/link_of_sandr.gif";
imgov_j[10].src = "img/link/link_ov_sandr.gif";

check=0;
Br = navigator.appName;
if(document.all) check=1;
else if(document.layers) check=2;
else if((document.getElementById) && navigator.appName.indexOf("Netscape")>-1) check=3;
else if((Br.indexOf("Netscape")>-1) || (Br.indexOf("Internet Explorer")>-1)) check=4;


function img_over(imgid, imgov_idx) {
 document.images[imgid].src = imgov_j[imgov_idx].src;
}

function img_off(imgid, imgof_idx) {
 document.images[imgid].src = imgof_j[imgof_idx].src;
}