function activateUsername(element, activate) {
	if(activate == true) {
		if(element.value == "[login]") element.value = "";
	}
	if(activate == false) {
		if(element.value == "") element.value = "[login]";
	}
}

function activatePassword(element, activate) {
	if(activate == true) {
		if(element.value == "[prihlasenie_heslo]") element.value = "";
	}
	if(activate == false) {
		if(element.value == "") element.value = "[prihlasenie_heslo]";
	}
}