var i=0;
var j=0;

function slider(offset, ktora_strona)
{
	if(offset>=0)
	{
		if(ktora_strona==1)
			document.getElementById("przesuniecie").style.marginLeft = "-"+parseInt((offset-1)*860+i)+"px";
		else
			document.getElementById("przesuniecie").style.marginLeft = "-"+parseInt(((offset+1)*860)-i)+"px";

		if(i>=0 && i<25)
			i=i+7;
		else if(i>=25 && i<50)
			i=i+10;
		else if(i>=50 && i<500)
			i=i+32;
		else if(i>=501 && i<749)
			i=i+25;
		else if(i>=750 && i<=849)
			i=i+12;
		else if(i>=850 && i<=860)
			i=i+1;


		if(i<=860)
			setTimeout("slider("+offset+", "+ktora_strona+")", 15);
		else
			i=0;
	}
}

function slider_slideshow(offset)
{
	if(offset>=0)
	{
		var nowa_pozycja = parseInt(((offset-1)*528)+j);
		if(nowa_pozycja>0)
			nowa_pozycja = "-"+parseInt(((offset-1)*528)+j);
		else
			nowa_pozycja = parseInt(((offset-1)*528)+528+528-j);

		document.getElementById("twitterstatus-slideshow").style.marginLeft = nowa_pozycja+"px";

		if(j>=0 && j<25)
			j=j+4;
		else if(j>=25 && j<50)
			j=j+10;
		else if(j>=50 && j<450)
			j=j+20;
		else if(j>=450 && j<=510)
			j=j+8;
		else if(j>=510 && j<=528)
			j=j+1;

		if(j<=528)
			setTimeout("slider_slideshow("+offset+")", 15);
		else
		{
			j=0;
			if((offset+1)>=7)
				slide = 0;
			else
				slide = offset+1;

			setTimeout("slider_slideshow("+slide+")", 4000);
		}
	}
}

function run_slideshow()
{
	setTimeout("slider_slideshow(1)", 4000);
}

function validate_email()
{
	email_field = document.getElementById("email_address").value;
	if(email_field.length>0)
		return true;
	else
	{
		alert("Please enter your e-mail address");
		return false;
	}
}



if(window.XMLHttpRequest) 
	ObiektXMLHttp = new XMLHttpRequest();
else if(window.ActiveXObject)
	ObiektXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");

http = new XMLHttpRequest();

function download_stat(what)
{
	if(http) 
	{
		http.open("POST", "register.php");
		http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http.setRequestHeader("Content-length", what.length);
		http.setRequestHeader("Connection", "close");
	} 

	http.send(what);
}

function close_popup(what)
{
	document.getElementById(what+"_popup").style.display = "none";
	document.getElementById("background_popup").style.display = "none";
}

function go_twitter_donate()
{
	document.getElementById("twitter_donate").click();
}

function go_calendar_donate()
{
	document.getElementById("calendar_donate").click();
}

function download_file(what)
{
	document.getElementById("background_popup").style.display = "block";

	if(what=="calendar")
	{
		window.location="http://tomasz-dobrzynski.com/CalendarIcon-1.2.4.zip";

		document.getElementById("calendar_popup").style.display = "block";

		document.getElementById("calendar_popup").style.position = "fixed";
		document.getElementById("calendar_popup").style.top = (window.innerHeight-280)/2 + "px";
		document.getElementById("calendar_popup").style.left = (window.innerWidth-540)/2 + "px";
	}
	else if(what=="twitter")
	{
		window.location="http://tomasz-dobrzynski.com/TwitterStatus-2.0.4.zip";

		document.getElementById("twitter_popup").style.display = "block";

		document.getElementById("twitter_popup").style.position = "fixed";
		document.getElementById("twitter_popup").style.top = (window.innerHeight-280)/2 + "px";
		document.getElementById("twitter_popup").style.left = (window.innerWidth-540)/2 + "px";
	}
}