function getBrowserInfo() {
 var t,v = undefined;
 if (window.opera) t = 'Opera';
 else if (document.all) {
  t = 'IE';
  var nv = navigator.appVersion;
  var s = nv.indexOf('MSIE')+5;
  v = nv.substring(s,s+1);
 }
 else if (navigator.appName) t = 'Netscape';
 return {type:t,version:v};
}

function bookmark(a){
 var url = window.document.location;
 var title = window.document.title;
 var b = getBrowserInfo();
 if (b.type == 'IE' && 7 > b.version && b.version >= 4) window.external.AddFavorite(url,title);
 else if (b.type == 'Opera') {
  a.href = url;
  a.rel = "sidebar";
  a.title = title;
  return true;
 }
 else if (b.type == "Netscape") window.sidebar.addPanel(title,url,"");
 else alert("Press CTRL-D to add page in bookmarks.");
 return false;
}

function overRate(x)
{
 for (i = 1; i <= x; i++) 
 {
   document.getElementById('rate_'+i).src = '/images/rattr.gif';
 }
 for (i = x+1; i <= 5; i++) 
 {
   document.getElementById('rate_'+i).src = '/images/ratfl.gif';
 }
   document.getElementById('rate_text').innerHTML = 'Ваша оценка: ' + x;
}
					 
function outRate() 
{
 for (i = 1; i <= rat; i++) 
 {
   document.getElementById('rate_'+i).src = '/images/rattr.gif';
 }
 for (i = rat+1; i <= 5; i++) 
 {
   document.getElementById('rate_'+i).src = '/images/ratfl.gif';
 }
   document.getElementById('rate_text').innerHTML = rat_text;
}
				 
function rate(x) 
{
  document.getElementById('rayting').value=x;
  rat=x;
  rat_text = 'Ваша оценка: '+x;
}