function iused(num) {
		var value1 = document.keno.value1.value;
		var value2 = document.keno.value2.value;
		var value3 = document.keno.value3.value;
		var value4 = document.keno.value4.value;
		var value5 = document.keno.value5.value;
		var value6 = document.keno.value6.value;
		var value7 = document.keno.value7.value;
		var value8 = document.keno.value8.value;
		var value9 = document.keno.value9.value;
		var value10 = document.keno.value10.value;
		
		if (value1 == num) { return true; }
		if (value2 == num) { return true; }
		if (value3 == num) { return true; }
		if (value4 == num) { return true; }
		if (value5 == num) { return true; }
		if (value6 == num) { return true; }
		if (value7 == num) { return true; }
		if (value8 == num) { return true; }
		if (value9 == num) { return true; }
		if (value10 == num) { return true; }
}

function highlight(obj) {
obj.style.color="black";
obj.style.backgroundColor="lime";
}
function makeNormal(obj) {
obj.style.color="#2F2F2F";
obj.style.backgroundColor="white";
}

function kenon(number) 
	{
		if (iused(number)){ alert('You have already selected this number!'); return false; }
		else{
		var value1 = document.keno.value1.value;
		var value2 = document.keno.value2.value;
		var value3 = document.keno.value3.value;
		var value4 = document.keno.value4.value;
		var value5 = document.keno.value5.value;
		var value6 = document.keno.value6.value;
		var value7 = document.keno.value7.value;
		var value8 = document.keno.value8.value;
		var value9 = document.keno.value9.value;
		var value10 = document.keno.value10.value;
		if (value1 == '**') { document.keno.value1.value = number; value1 = number; return false; }
		if (value2 == '**') { document.keno.value2.value = number; value2 = number; return false; }
		if (value3 == '**') { document.keno.value3.value = number; value3 = number; return false; }
		if (value4 == '**') { document.keno.value4.value = number; value4 = number; return false; }
		if (value5 == '**') { document.keno.value5.value = number; value5 = number; return false; }
		if (value6 == '**') { document.keno.value6.value = number; value6 = number; return false; }
		if (value7 == '**') { document.keno.value7.value = number; value7 = number; return false; }
		if (value8 == '**') { document.keno.value8.value = number; value8 = number; return false; }
		if (value9 == '**') { document.keno.value9.value = number; value9 = number; return false; }
		if (value10 == '**') { document.keno.value10.value = number; value10 = number; return false; }
		if (value10 != '**') { alert('Only 10 numbers can be selected.'); return false; }
		}
	}