function showDiv(show,hide) {
	if (show) {
		document.getElementById(show).style.display = '';
	}
	if (hide) {
		document.getElementById(hide).style.display = 'none';
	}
}

function hideDiv(hide) {
	document.getElementById(hide).style.display = 'none';
}

function showNumPlayers(what,num) {
	var i = 0;
	for (i = 1; i <= num; i++) {
		var id = 'player' + i;
		document.getElementById(id).style.display = '';
		what.cc_amount.value += 250;
		what.check_amount.value += 250;
	}
}

function hideNumPlayers(what,num) {
	var i = 0;
	for (i = num; i > 1; i--) {
		var id = 'player' + i;
		document.getElementById(id).style.display = 'none';
		what.cc_amount.value -= 250;
		what.check_amount.value -= 250;
	}
}

function showPlayers(what) {
	selected = what.num_players.selectedIndex;
	value = what.num_players.options[selected].value;
	if (value >= 1) {
		document.getElementById('player1').style.display = '';
		what.cc_amount.value = 250;
		what.check_amount.value = 250;
	}
	if (value >= 2) {
		document.getElementById('player2').style.display = '';
		what.cc_amount.value = 500;
		what.check_amount.value = 500;
	}
	if (value >= 3) {
		document.getElementById('player3').style.display = '';
		what.cc_amount.value = 750;
		what.check_amount.value = 750;
	}
	if (value >= 4) {
		document.getElementById('player4').style.display = '';
		what.cc_amount.value = 1000;
		what.check_amount.value = 1000;
	}
	if (value >= 5) {
		document.getElementById('player4').style.display = '';
		what.cc_amount.value = 1250;
		what.check_amount.value = 1250;
	}
	if (value >= 6) {
		document.getElementById('player4').style.display = '';
		what.cc_amount.value = 1500;
		what.check_amount.value = 1500;
	}
	if (value >= 7) {
		document.getElementById('player4').style.display = '';
		what.cc_amount.value = 1750;
		what.check_amount.value = 1750;
	}
	if (value >= 8) {
		document.getElementById('player4').style.display = '';
		what.cc_amount.value = 2000;
		what.check_amount.value = 2000;
	}
	if (value < 8) {
		document.getElementById('player8').style.display = 'none';
	}
	if (value < 7) {
		document.getElementById('player7').style.display = 'none';
	}
	if (value < 6) {
		document.getElementById('player6').style.display = 'none';
	}
	if (value < 5) {
		document.getElementById('player5').style.display = 'none';
	}
	if (value < 4) {
		document.getElementById('player4').style.display = 'none';
	}
	if (value < 3) {
		document.getElementById('player3').style.display = 'none';
	}
	if (value < 2) {
		document.getElementById('player2').style.display = 'none';
	}
	if (value < 1) {
		document.getElementById('player1').style.display = 'none';
	}
}

function updateAmount(what, num) {
	what.cc_amount.value = num;
	what.check_amount.value = num;
}