function displayText(tt)
	{
		document.getElementById('titleText').innerHTML = tt;
	}
	
	function clearText()
	{
		document.getElementById('titleText').innerHTML = '';
	}
	
	function kontaktName()
	{
		if(document.getElementById('senderName').value == "")
		{
			document.getElementById('senderName').value = "Imię i Nazwisko / Firma";
		}
		else 
		if(document.getElementById('senderName').value == "Imię i Nazwisko / Firma")
		{
			document.getElementById('senderName').value = "";
		}
	}
	
	function kontaktEmail()
	{
		if(document.getElementById('senderEmail').value == "")
		{
			document.getElementById('senderEmail').value = "Adres Email";
		}
		else 
		if(document.getElementById('senderEmail').value == "Adres Email")
		{
			document.getElementById('senderEmail').value = "";
		}
	}
	
	function kontaktTemat()
	{
		if(document.getElementById('senderSub').value == "")
		{
			document.getElementById('senderSub').value = "Temat";
		}
		else 
		if(document.getElementById('senderSub').value == "Temat")
		{
			document.getElementById('senderSub').value = "";
		}
	}
	
	function kontaktTresc()
	{
		if(document.getElementById('senderMsg').value == "")
		{
			document.getElementById('senderMsg').value = "Treść wiadomości...";
		}
		else 
		if(document.getElementById('senderMsg').value == "Treść wiadomości...")
		{
			document.getElementById('senderMsg').value = "";
		}
	}
	
	function enableSend()
	{
		if(document.getElementById('senderSub').value != "" && document.getElementById('senderSub').value != "Temat" && document.getElementById('senderEmail').value != "" && document.getElementById('senderEmail').value != "Adres Email" && document.getElementById('senderName').value != "" && document.getElementById('senderName').value != "Imię i Nazwisko / Firma")
		{
			document.getElementById('sendBtn').disabled = false;
		}
	}
	
	function fakturaShow()
	{
		
	  	if(document.getElementById('faktury').style.display == 'block')
		{
			document.getElementById('faktury').style.display = 'none';
		} 
		else
		{
			document.getElementById('faktury').style.display = 'block';
		}
	}