function $_(id) {
	return document.getElementById(id);
}
function n_addEvent( obj, type, fn ) {
    if ( obj.attachEvent ) {
        obj['e'+type+fn] = fn;
        obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
        obj.attachEvent( 'on'+type, obj[type+fn] );
    } else
        obj.addEventListener( type, fn, false );
}     
function searchData(type){
	var keywords = $_("ski").value;
	if(keywords && keywords != '食品,药品,疾病,症状,检查,用户'){
		var keywords = encodeURI(keywords);
		location.href= '?v=' + type + '&k=' + keywords;
	}else{
		$_("ski").value = '';
		$_("ski").style.color = '#333';
		$_('searchbox').style.border='1px solid #c3d9ff'
		$_("ski").focus();
        //return false
	}
}
function bookmark(title, url) {
  if (document.all)
    window.external.AddFavorite(url, title);
  else if (window.sidebar)
    window.sidebar.addPanel(title, url, "")
}