var ptf_no_bnr1 = readCookie('ptf_no_bnr1');
var ani1 = false;
var viewed = false;

function hide_bnr()
{
	$("#bnr").stop().animate({left:'-420px'},150);

	createCookie('ptf_no_bnr1', '1', 7);
	ptf_no_bnr1 = 1;
}

if (navigator.appName == 'Netscape') 
	var language = navigator.language; 
else 
	var language = navigator.browserLanguage; 

if (ptf_no_bnr1!=1 && language.indexOf('zh') == -1)
{
	var isFirefox = navigator.userAgent.indexOf("Firefox") > 0;

	$(document).ready(function()
	{
		$(window).scroll(function(){

			if (ptf_no_bnr1!=1)
			{
				var h = 100; // scroll from top
				var y = $(window).scrollTop();

				if ( y > h)
				{
					if (!ani1)
					{
						ani1 = true;
						$("#bnr").stop().animate({left:0});

						if (!viewed)
						{
							//createCookie('ptf_bnr1_view', '1', 7);
							viewed = true;
						}
					}
				}
				else
				{
					$("#bnr").stop().animate({left:'-420px'},100);
					ani1 = false;
				}
			}
		});
	});
	if (isIE2())
		document.write('<div id="bnr" style="position:absolute; left:-420px; top:900px;">');
	else
		document.write('<div id="bnr" style="position:fixed; left:-420px; top:60%;">');

	if (isFirefox)
		document.write('<a target="_blank" href="http://ptf.com/ptf_freedownloadmanager.html"><img class="pngfix" src="/images/ptf_slider.png" border="0" alt=""/></a>');
	else
		document.write('<a target="_blank" href="http://ptf.com/ptf_freedownloadmanager.html"><img class="pngfix" src="/images/ptf_slider.png" border="0" alt=""/></a>');
	document.write('<img src="/images/ptf_slider_close.gif" border="0" width="15" height="15" onclick="hide_bnr()" style="position:absolute; right:13px; top:12px; cursor:pointer;" alt=""/>');
	document.write('<img id="bnr1_cnt" src="http://ptf.com/images/empty.gif" border="0" width="1" height="1"/></div>');
}