src = []; 

//set duration for each image
duration = 4;

ads=[]; ct=0;
img_name="Ad_Image";
pict_index=-2;

if (isJsEnabled()) {
    addLoadEvent(switchAd);
}

function switchAd() {
if (pict_index==-2){
   pict_index=-1;
   for(i=0; i<document.images.length; i++){
     if (document.images[i].name==img_name){
       pict_index=i;
       pic_title=document.images[i].title;
       document.images[i].title="";
       j=0;k=0;
       while(pic_title.indexOf(",",j)!=-1){
         src[k]="http://tropagor.ru/images/" + pic_title.substr(j, pic_title.indexOf(",",j)-j);
         k=k+1;
         j=pic_title.indexOf(",",j)+1;
       }
       src[k]="http://tropagor.ru/images/" + pic_title.substr(j);
       break;
     }
   }
}
if (pict_index>-1){
var n=(ct+1)%src.length;
if (ads[n] && (ads[n].complete || ads[n].complete==null)) {
   document.images[pict_index].src = ads[ct=n].src;
}
ads[n=(ct+1)%src.length] = new Image;
ads[n].src = src[n];
setTimeout("switchAd()",duration*1000);
}
}


    function onl() {
      // this function makes left and right columns ('ears') width suitable for users with different screen resolution
      
      // getting window width
      var x = 0;
      if (self.innerHeight) {
          x = self.innerWidth;
      }
      
      else if (document.documentElement && document.documentElement.clientHeight) {
          x = document.documentElement.clientWidth;
      }
      
      else if (document.body) {
          x = document.body.clientWidth;
      }

      // if window width is equal to 1024 or less, we've got to crop "ears"
      if (x <= 961) {
        l1 = document.getElementById("left1");
        l1.style.width = "0";

        l2 = document.getElementById("left2");
        l2.style.width = "0";

        l3 = document.getElementById("left3");
        l3.style.width = "0";

        l4 = document.getElementById("left4");
        l4.style.width = "0";

        l5 = document.getElementById("left5");
        l5.style.width = "0";

        r1 = document.getElementById("right1");
        r1.style.width = "0";

        r2 = document.getElementById("right2");
        r2.style.width = "0";

        r3 = document.getElementById("right3");
        r3.style.width = "0";

        r4 = document.getElementById("right4");
        r4.style.width = "0";

        r5 = document.getElementById("right5");
        r5.style.width = "0";

        cb = document.getElementById("table1");
        cb.style.width = "941";
      } else if (x >= 1269) { // if window width is >1269, we've got to widen 'ears'
        l1 = document.getElementById("left1");
        l1.style.width = "154";

        l2 = document.getElementById("left2");
        l2.style.width = "154";

        l3 = document.getElementById("left3");
        l3.style.width = "154";

        l4 = document.getElementById("left4");
        l4.style.width = "154";

        l5 = document.getElementById("left5");
        l5.style.width = "154";

        r1 = document.getElementById("right1");
        r1.style.width = "154";

        r2 = document.getElementById("right2");
        r2.style.width = "154";

        r3 = document.getElementById("right3");
        r3.style.width = "154";

        r4 = document.getElementById("right4");
        r4.style.width = "154";

        r5 = document.getElementById("right5");
        r5.style.width = "154";

        cb = document.getElementById("table1");
        cb.style.width = "1249";
      } else { // in any other case, we've got to calculate ears' size and set appropriate values
        l1 = document.getElementById("left1");
        l1.style.width = (x - 961) / 2;
        
        l2 = document.getElementById("left2");
        l2.style.width = (x - 961) / 2;

        l3 = document.getElementById("left3");
        l3.style.width = (x - 961) / 2;

        l4 = document.getElementById("left4");
        l4.style.width = (x - 961) / 2;

        l5 = document.getElementById("left5");
        l5.style.width = (x - 961) / 2;


        r1 = document.getElementById("right1");
        r1.style.width = (x - 961) / 2;
        
        r2 = document.getElementById("right2");
        r2.style.width = (x - 961) / 2;

        r3 = document.getElementById("right3");
        r3.style.width = (x - 961) / 2;

        r4 = document.getElementById("right4");
        r4.style.width = (x - 961) / 2;

        r5 = document.getElementById("right5");
        r5.style.width = (x - 961) / 2;


        cb = document.getElementById("table1");
        cb.style.width = x-20;
      }
    }