var NUMBER_OF_STARS = 5;
function init_rating(){
 var ratings = document.getElementsByTagName('div');
 for (var i = 0; i <ratings.length; i++)
 {
 if (ratings[i].className != 'rating')
 continue;
 var rating = ratings[i].firstChild.nodeValue;
 ratings[i].removeChild(ratings[i].firstChild);
 if (rating> NUMBER_OF_STARS || rating <0)
 continue;
 for (var j = 0; j <NUMBER_OF_STARS; j++)
 {
 var star = document.createElement('img');
 if (rating>= 1)
 {
 star.setAttribute('src', 'http://www.venetubo.com/images/rating_on.gif');
 star.className = 'on';
 rating--;
 }
 else if(rating == 0.5)
 {
 star.setAttribute('src', 'http://www.venetubo.com/images/rating_half.gif');
 star.className = 'half';
 rating = 0;
 }
 else
 {
 star.setAttribute('src', 'http://www.venetubo.com/images/rating_off.gif');
 star.className = 'off';
 }
 var widgetId = ratings[i].getAttribute('id').substr(7);
 star.setAttribute('id', 'star_'+widgetId+'_'+j);
 star.onmouseover = new Function("evt", "displayHover("+widgetId+", "+j+");");
 star.onmouseout = new Function("evt", "displayNormal("+widgetId+", "+j+");");
 ratings[i].appendChild(star);
 }
 }
}
function displayHover(ratingId, star){
 for (var i = 0; i <= star; i++)
 {
 document.getElementById('star_'+ratingId+'_'+i).setAttribute('src', 'http://www.venetubo.com/images/rating_over.gif');
 }
}
function displayNormal(ratingId, star){
 for (var i = 0; i <= star; i++)
 {
 var status = document.getElementById('star_'+ratingId+'_'+i).className;
 document.getElementById('star_'+ratingId+'_'+i).setAttribute('src', 'http://www.venetubo.com/images/rating_'+status+'.gif');
 }
}