function wordsLeft(theForm) {
	var str = theForm.message.value;
	if (str.length > 600) {
		document.getElementById("numTecken").innerHTML = "Inlägget innehåller för många tecken!";
		document.getElementById("submitbutton").disabled = true;
	}
	else {
		document.getElementById("numTecken").innerHTML = (600-str.length) + " tecken kvar att skriva.";
		formFilled(theForm);
	}
}

function formFilled(theForm) {
	if(theForm.message.value.length > 0 && theForm.message.value.length < 601 && theForm.name.value.length > 0 && theForm.matte_svaret.value.length > 0) {
		document.getElementById("submitbutton").disabled = false;
		document.getElementById("submitbutton").value = "Posta";
	}
	else
	{
		document.getElementById("submitbutton").disabled = true;
	}
}