/* bom检查 */
var gameselect = false;
var gameareaselect = false;
var amountinput = false;
function selectgame() {
	var obj;
	var i = 0;
	obj = document.getElementById("fregion");
	obj.length = 0;
	gameareaselect = false;
	if (document.getElementById("fgid").value === "0") {		
		obj.options[i] = new Option(lang_firstselectgame, "0");
		gameselect = false;
	} else {
		thisgamearea = gamearea[document.getElementById("fgid").value];
		obj.options[i] = new Option(lang_selectgamearea, "0");
		for (i = 0; i < thisgamearea.length; i++) {
			obj.options[i + 1] = new Option(gameareainfo[thisgamearea[i]][1], gameareainfo[thisgamearea[i]][0]);
		}
		gameselect = true;
	}
	checkselect();
}
function selectgamearea() {
	if (document.getElementById("fregion").value === "0") {
		gameareaselect = false;
	} else {
		gameareaselect = true;
	}
	checkselect();
}
function inputamount() {
	var amount;
	if (document.getElementById("famount").value) {
		amount = parseFloat(document.getElementById("famount").value);
		if (isNaN(amount)) {
			amount = 0;
		}
		//document.getElementById("famount").value = amount;
		if (amount > 0) {
			amountinput = true;
		} else {
			amountinput = false;
		}
	} else {
		amountinput = false;
	}
	checkselect();
}
function checkselect() {
	if (gameselect && gameareaselect && amountinput) {
		document.getElementById("bselect").disabled = false;
	} else {
		document.getElementById("bselect").disabled = true;
	}
}