function calculate(){
Suma = '';
var poll_rating = document.getElementById("poll_rating");
var jeden = Number(document.poll_form.poll_quality.options[document.poll_form.poll_quality.selectedIndex].value);
var dva = Number(document.poll_form.poll_updates.options[document.poll_form.poll_updates.selectedIndex].value);
var styri =  Number(document.poll_form.poll_downloadable_videos.options[document.poll_form.poll_downloadable_videos.selectedIndex].value);
var pat =   Number(document.poll_form.poll_design.options[document.poll_form.poll_design.selectedIndex].value);
var sest =   Number(document.poll_form.poll_content_amount.options[document.poll_form.poll_content_amount.selectedIndex].value);
var sedem =   Number(document.poll_form.poll_exclusivity.options[document.poll_form.poll_exclusivity.selectedIndex].value);
var osem =   Number(document.poll_form.poll_navigation.options[document.poll_form.poll_navigation.selectedIndex].value);
var devat =   Number(document.poll_form.poll_money_value.options[document.poll_form.poll_money_value.selectedIndex].value);
var desat =   Number(document.poll_form.poll_other_scores.options[document.poll_form.poll_other_scores.selectedIndex].value);

Suma = jeden+dva+styri+pat+sest+sedem+osem+devat+desat + 10;
poll_rating.innerHTML = Suma;
poll_rating.innerHTML += " / 100 (";
poll_rating.innerHTML += Math.round((Suma/100)*100);
poll_rating.innerHTML +=  "%)";
}

function confirmDelete(){
 var ok=window.confirm('You are about to delete your post. Please confirm.')
     if (ok) {
          return true;
     }
     else {
         return false;
     }
 }

function bookmarksite(title,url){
if (window.sidebar) // firefox
    window.sidebar.addPanel(title, url, "");
else if(window.opera && window.print){ // opera
    var elem = document.createElement('a');
    elem.setAttribute('href',url);
    elem.setAttribute('title',title);
    elem.setAttribute('rel','sidebar');
    elem.click();
} 
else if(document.all)// ie
    window.external.AddFavorite(url, title);
}