var polka = new Array( 0, 0, 0, 0 );
function czysc( nr )
{
	if( polka[nr]==0 )
	{
		polka[nr]=1;;
		document.forms[0].elements[(nr+1)].value = '';
	}
}
function wyslij()
{
	var forma = document.forms[0];
	var zero = true;
	var i;
	for( i=1 ; i<5 ; i++ )
		forma.elements[i].style.border = '';
	if( forma.elements[1].value == '' || forma.elements[1].value == 'Imię i nazwisko' ) 
		{ zero = false; forma.elements[1].style.border = 'solid 2px #ff0000'; }
	if( forma.elements[2].value == '' || forma.elements[2].value == 'Adres e-mail' || 
		forma.elements[2].value.indexOf('@')<=0 || forma.elements[2].value.indexOf('.')<=2 || forma.elements[2].value.length<=5 )
		{ zero = false; forma.elements[2].style.border = 'solid 2px #ff0000'; }
	if( forma.elements[3].value == '' || forma.elements[3].value == 'Temat' )
		{ zero = false; forma.elements[3].style.border = 'solid 2px #ff0000'; }
	if( forma.elements[4].value == '' || forma.elements[4].value == 'Treść' )
		{ zero = false; forma.elements[4].style.border = 'solid 2px #ff0000'; }
	return zero;
}