function shtab(i)
{
	var tab = $('#tab_'+i);

	tab.attr('class', 'slct');
	tab.attr('src', 'http://ptf.com/images/tab'+i+'_.gif');
	tab.attr('height', '41');

	if (i!=1)
		hide_shtab(1);
	if (i!=2)
		hide_shtab(2);
	if (i!=3)
		hide_shtab(3);
	if (i!=4)
		hide_shtab(4);

//	$('#ibox_'+i).fadeIn();

	createCookie('shtab', i, 365);

	var fst = $('#usearch_block');
	$('#ibox_'+i).insertAfter(fst);
}

function hide_shtab(i)
{
	var tab = $('#tab_'+i);

//	$('#ibox_'+i).css("display","none");

	tab.attr('class', 'just_tab');
	tab.attr('src', 'http://ptf.com/images/tab'+i+'.gif');
	tab.attr('height', '40');
}

function set_shtab()
{
	var i=readCookie('shtab');
	if (i) shtab(i);
}

function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";

	document.cookie = name+"="+value+expires+"; path=/; domain=.ptf.com";
//	document.cookie = name+"="+value+expires+"; path=/; domain=.ptf.sd";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');

	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}

	return null;
}

function sa_alert_win(uid)
{
	$.ajax({
		url: "/ajax/sa_confirm.php",
		data: "uid="+escape(uid),
		success: function(answ){
		//	alert(answ);
			$('#sa_alert').html(answ);
			$('#sa_alert').css({'display':'block'});
		}
	});

	return false;
}

function download_submit(uid)
{
	var download_answer = document.getElementById('ok1').value;
	if (download_answer.toLowerCase() != 'ok')
	{
		$('#download_message').css({'color':'red'});
		return false;
	}
	window.location.href=uid;
	return false;
}

function isIE2()
{
	if (navigator.appName=='Microsoft Internet Explorer')
		return true;
	else
		return false;
}

function run_widget()
{
	$.get('http://ptf.com/latest_topics.php', 'count=5',
				function(data) {
				if ((typeof data.length) == "undefined")
				{
					$("#latest_topics").hide();
				}
				else
				{
					$("#latest_topics").show();
					$("#topic_blogs").empty();
					for (var num = 0; num < data.length; num++)
					{
					    var str = '<tr><td><img alt="User" src="/images/user.png" />&nbsp;<span>' + data[num].topic_author + '</span> &rarr; <a class="BlogLinks" href="http://blogs.ptf.com/blog/' + data[num].topic_id + '.html">'+ data[num].topic_title + '</a> in ';
					    if (data[num].blog_type == 'P')
						str += '<a class="BlogBy" href="' + data[num].blog_url + '/"> the personal blog</a>';
					    else
						str += '<a class="BlogBy" href="' + data[num].blog_url + '/">' + data[num].blog_title + '</a>';
					    str += '</td></tr>';
					    $("#topic_blogs").append(str);
					}
				}
			},
			'json'
		)
}