function addFavorite(){
    var vDomainName=window.location.href;
    var description=document.title;
    try{//IE
        window.external.AddFavorite(vDomainName,description);
    }catch(e){//FF
        window.sidebar.addPanel(description,vDomainName,"");
    }
}
function switchcitem(num,total,cname,lname){
	for(var id = 1;id<=total;id++)
	{	
		document.getElementById(cname+id).className="noshowitempic";
		document.getElementById(lname+id).className="isshowitem";
	}
	document.getElementById(cname+num).className="isshowitempic";
	document.getElementById(lname+num).className="noshowitem";
}
function checkreserv(form){
	var telfilter=/^\s*[0123456789-]{7,14}\s*$/;
	if(form.name.value==''){
		alert('请告诉我们您的名字!');
		return false;
	}
	if(!telfilter.test(form.telnum.value)){
		alert('请输入正确的电话号码!');
		return false;
	}
	if(form.item.value==''){
		alert('请告诉我们您要预约的项目!');
		return false;
	}
	return true;
}