var xmlHTTP_favorite;var text_item_id;function add_to_favorite(user_id,item_id){if(user_id>0){xmlHTTP_favorite=GetXmlHttpObject();if(xmlHTTP_favorite==null){return;}text_item_id='f'+item_id;document.getElementById(text_item_id).innerHTML='please wait..';url='/user/favorite_add.php?user_id='+user_id+'&item_id='+item_id;get_http_data(url,add_to_favorite_on_change,xmlHTTP_favorite);}else
{alert("This functionality is available only to regsitered users. \n Please use the 'User Control Panel' on left side of the page to register or login.");document.getElementById('login_form').uname.focus();}}function add_to_favorite_on_change(){if(xmlHTTP_favorite.readyState==4||xmlHTTP_favorite.readyState=="complete"){var done=false;if(xmlHTTP_favorite.status==200){result=xmlHTTP_favorite.responseText;if(result=="already in list"){document.getElementById(text_item_id).innerHTML="<font color='#ff0000'>already in list<\/font>";done=true;}else if(result.length>0)document.getElementById('user_favorite').innerHTML=result;}if(done==false)document.getElementById(text_item_id).innerHTML="<font color='#006600'>favorite added<\/font>";}}