function ifocus(id,text)
{
	if (document.getElementById(id).value == text)
	{
		document.getElementById(id).value='';
	}
}

function iblur(id,text)
{
	if (document.getElementById(id).value == '')
	{
		document.getElementById(id).value=text;
	}
}

function ifocus_txt(id,text)
{
	if (document.getElementById(id).innerHTML == text)
	{
		document.getElementById(id).innerHTML = '';
	}
}

function iblur_txt(id,text)
{
	if (document.getElementById(id).innerHTML == '')
	{
		document.getElementById(id).innerHTML=text;
	}
}

function clear_contact_form()
{
	ifocus('name','Imię i nazwisko');
	ifocus('phone','Telefon');
	ifocus('email','E-mail');
	ifocus_txt('descr','Treść');
}