function add2Fav(x){
    if (document.all  && !window.opera) {
         if (typeof window.external == "object") {
            window.external.AddFavorite(document.location, document.title);
            return true;
          }
          else return false;

    }
    else{
        x.href=document.location;
        x.title=document.title;
        x.rel = "sidebar";
        return true;
    }
}

function showTab(id){
	for(i=1;i<6;i++){
		el = document.getElementById('tabHead'+i);
		if(el){
			el.className = (id==i ? 'tabActive' : 'tabInactive');
		}
		el = document.getElementById('tabContent'+i);
		if(el){
			el.style.display = (id==i ? 'block' : 'none');
		}
	}
	return false;
}

function ce (tagName) {	return document.createElement(tagName) }

function sendQuery(url) {

	var s = ce('script');

	s.type='text/javascript';

	s.language='Javascript';

	s.src=url;

	document.documentElement.firstChild.appendChild(s);

}

function doCheck(tid){
	refreshImg = document.getElementById('refresh');
	if(refreshImg)
		refreshImg.src='http://www.vertor.com/images/but_refresh_anim.gif';
	sendQuery('http://dl.vertor.com/check_vt.php?id='+tid);
	return false;
}