function dynamicAction(where){
		var dynamicAction;
		
		if (where==1){
			ref = '/platnosci/info.html';
		}else{
			ref = false;
		}

		login = document.loginForm.login.value;
		
		if (login === "" || document.loginForm.pass.value == "") {
			if (!document.getElementById("loginFailed")) {
				var erMsg = document.createElement("p");
				erMsg.className = erMsg.id ="loginFailed";
				erMsg.innerHTML = "Podane dane są nieprawidłowe."
				var rt = document.loginForm.parentNode;
				rt.insertBefore(erMsg, rt.firstChild);
			}
			
			if (login == "") {
				document.loginForm.login.focus();
			} else {
				document.loginForm.pass.focus();
			}
			
			return false;
		}
		
		//if (login.indexOf("@")!=-1){
			at = login.indexOf("@");
			userDomain = login.substr(at+1,login.length);
			if (userDomain.indexOf("vip.")!=-1 || userDomain.indexOf("serwus.")!=-1 ||
			    userDomain.indexOf("akcja.")!=-1 || userDomain.indexOf("randki.")!=-1){
				if(userDomain.indexOf("poczta")){
					if(ref){
						document.loginForm.referer.value="https://poczta.vip.interia.pl/profil"+ref
					}
					dynamicAction = "https://poczta.vip.interia.pl/profil/login/";
				}else{
					if(ref){
						document.loginForm.referer.value="https://"+userDomain+"/profil"+ref
					}
					dynamicAction = "https://"+userDomain+"/profil/login/";
				}
				document.loginForm.action=dynamicAction;
				var oldM = document.getElementById("oldMail");
				var oNw = document.getElementById("newWindow");
				if ( oNw && oNw.checked && oldM && !oldM.checked)
				{
					var nWwidth = 800;
					var nWheight = 600;
					if (!screen.availWidth)
					{
						if ( !screen.width )
						{
							nWwidth = 800;
						}
						else
						{
							nWwidth = screen.width
						}
					}
					else
					{
						nWwidth = screen.availWidth
					}
					if (!screen.availHeight)
					{
						if ( !screen.height )
						{
							nWheight = 800;
						}
						else
						{
							nWheight = screen.height
						}
					}
					else
					{
						nWheight = screen.availHeight
					}
					window.open( "https://"+userDomain+"/logowanie/prosze_czekac/", "poczta_strefa_full_screen", "height="+(nWheight-53)+",width="+(nWwidth-13)+",top=0,left=0,status=yes,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes" );
					document.loginForm.target = "poczta_strefa_full_screen";
				}

				if ( oldM && oldM.checked )
				{
					document.cookie = 'poczta=DELETED; EXPIRES=Wednesday, 15-Sep-04 00:00:00 GMT; DOMAIN=interia.pl; PATH=/';
				}
				else
				{
					document.cookie = 'poczta=nowa; DOMAIN=interia.pl; PATH=/';
				}

				return true;
			}else{
				if(ref){
					document.loginForm.referer.value="https://poczta.strefa.pl/profil"+ref;
				} 
				dynamicAction = "https://poczta.strefa.pl/profil/login/";

				document.loginForm.action=dynamicAction;
				var oldM = document.getElementById("oldMail");
				var oNw = document.getElementById("newWindow");
				if ( oNw && oNw.checked && oldM && !oldM.checked)
				{
					var nWwidth = 800;
					var nWheight = 600;
					if (!screen.availWidth)
					{
						if ( !screen.width )
						{
							nWwidth = 800;
						}
						else
						{
							nWwidth = screen.width
						}
					}
					else
					{
						nWwidth = screen.availWidth
					}
					if (!screen.availHeight)
					{
						if ( !screen.height )
						{
							nWheight = 800;
						}
						else
						{
							nWheight = screen.height
						}
					}
					else
					{
						nWheight = screen.availHeight
					}
					window.open( "https://poczta.strefa.pl/logowanie/prosze_czekac/", "strefa_full_screen", "height="+(nWheight-53)+",width="+(nWwidth-13)+",top=0,left=0,status=yes,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes" );
					document.loginForm.target = "strefa_full_screen";
				}
				if ( oldM && oldM.checked )
				{
					document.cookie = 'poczta=DELETED; EXPIRES=Wednesday, 15-Sep-04 00:00:00 GMT; DOMAIN=interia.pl; PATH=/';
				}
				else
				{
					document.cookie = 'poczta=nowa; DOMAIN=interia.pl; PATH=/';
				}

				return true;
			}
	}

	var minWidth = 800;

function checkNewVersion()
{
	var oTn = document.getElementById( "tdOldMail" );
	var oF = document.getElementById( "loginForm" );
	var oIn = document.getElementById( "oldMail" );
	if ( oIn && oTn && oF && checkBrowser() )
	{
		oIn.disabled = false;
		oTn.style.color = "";
		setFullScreen();
	}
	else
	{
		oIn.disabled = true;
		oIn.checked = true;
		oTn.style.color = "#879EBE";
		var oIf = document.getElementById( "newWindow" );
		var oTf = document.getElementById( "tdFullScreen" );
		if ( oIf && oTf )
		{
			oIf.disabled = true;
			oTf.style.color = "#879EBE";
			oIf.checked = false;
		}
	}
}

function setFullScreen()
{
	var oIn = document.getElementById( "oldMail" );
	var oIf = document.getElementById( "newWindow" );
	var oTf = document.getElementById( "tdFullScreen" );
	if ( oIn && !oIn.checked && oTf )
	{
		oIf.disabled = false;
		oTf.style.color = "";
		if ( getScreenWidth() <= minWidth )
		{
			oIf.checked = true;
		}
	}
	else if ( oIf && oTf )
	{
		oIf.disabled = true;
		oTf.style.color = "#879EBE";
		oIf.checked = false;
	}
}
function checkFullScreen()
{
	var oIf = document.getElementById( "newWindow" );
	if ( oIf && !oIf.checked && getScreenWidth() <= minWidth )
	{
		oIf.checked = true;
		alert( "Masz zbyt małą rozdzielczość - musisz uruchomić nową pocztę w nowym oknie" );
	}
}

function getScreenWidth()
{
	var result = 0;
	if (!screen.availWidth)
	{
		if ( !screen.width )
		{
			result = 800;
		}
		else
		{
			result = screen.width
		}
	}
	else
	{
		result = screen.availWidth
	}
	return result;
}

function checkBrowserOld()
{
	var result = true;
	if ( document.layer || !document.getElementById )
	{
		result = false;
	}
	if ( result && navigator.userAgent.toLowerCase().indexOf("opera")!=-1 || window.opera )
	{
		result = false;
	}
	if ( result && navigator.userAgent.toLowerCase().indexOf("khtml")!=-1 )
	{
		result = false;
	}
	if ( result && navigator.userAgent.toLowerCase().indexOf("mac")!=-1 )
	{
		result = false;
	}
	return result;
}

function checkBrowser()
{
	var result = true;
	
	if ( window.opera)
	{
		result = false;
	}
	if ( navigator.userAgent.indexOf("KHTML")!=-1 )
	{
		result = false;
	}
	if ( navigator.userAgent.toLowerCase().indexOf("mac")!=-1 && navigator.userAgent.indexOf("MSIE")!=-1)
	{
		result = false;
	}
	
	return result;
}