function createTeamFormCheck() {
	if(document.getElementById('t_key').value != '' && document.getElementById('t_name').value != '' && document.getElementById('t_game').options[document.getElementById('t_game').selectedIndex].value != -1) {
		document.getElementById('create_team_but').disabled = false;
	} else {
		document.getElementById('create_team_but').disabled = true;
	}
}


function joinTeamFormCheck() {
	if(document.getElementById('reg_team').options[document.getElementById('reg_team').selectedIndex].value != -1) {
		document.getElementById('reg_key_div').style.display = '';
		document.getElementById('reg_key').disabled = false;
	} else {
		document.getElementById('reg_key_div').style.display = 'none';
		document.getElementById('reg_key').disabled = true;
	}
}

function joinClanlessFormCheck() {
	
}

function onlyNumbers(field) {
	if (isNaN(document.getElementById(field).value)) {
		alert('This is not a number! Please enter a valid number before submitting the form.');
		document.getElementById(field).focus();
		document.getElementById(field).select();
		return false;
	} else {
		if(document.getElementById("reg_phone").value == '') {
			alert('You need to fill in your mnobile phone number.');
			document.getElementById("reg_phone").focus();
			document.getElementById("reg_phone").select();
			return false;
		} else {
			return true;
		}
	}
}

function onlyNumbersClanless(field) {
	if (isNaN(document.getElementById(field).value)) {
		alert('This is not a number! Please enter a valid number before submitting the form.');
		document.getElementById(field).focus();
		document.getElementById(field).select();
		return false;
	} else {
		if(document.getElementById("reg_phone").value == '') {
			alert('You need to fill in your mnobile phone number.');
			document.getElementById("reg_phone").focus();
			document.getElementById("reg_phone").select();
			return false;
		} else {
			if(document.getElementById("reg_game").options[document.getElementById("reg_game").selectedIndex].value == -1) {
				alert('You need to fill in game info.');
				return false;
			} else {
				return true;
			}
		}
	}
}