function CHANGE_REGION(CHOOSE_AREA_ID, ID) {
	//try {

		var REGION_ID = ID;

		var PROVINCE_OBJ = null;
		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID);
	
		if (PROVINCE_OBJ != null) {
			if (PROVINCE_OBJ.length == null) {
				PROVINCE_OBJ.style.display = "none";
				//PROVINCE_OBJ.disabled = true;
			}
			else {
				for (var i = 0; i < PROVINCE_OBJ.length; i++) {
					PROVINCE_OBJ[i].style.display = "none";
					//PROVINCE_OBJ[i].disabled = true;
				}
			}
		}

		if (REGION_ID == "") {
			//return;
		}

		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);
		
		if (PROVINCE_OBJ != null) {
			PROVINCE_OBJ.style.display = "";
			PROVINCE_OBJ.disabled = false;
		}

		CHANGE_PROVINCE(CHOOSE_AREA_ID, "");

	//}
	//catch(e) {}
}

function CHANGE_PROVINCE(CHOOSE_AREA_ID, ID) {
	//try {

		var PROVINCE_ID = ID;

		var AREA_OBJ = null;
		AREA_OBJ = document.all.item("AREA_ID_" + CHOOSE_AREA_ID);	
		if (AREA_OBJ != null) {
			if (AREA_OBJ.length == null) {
				AREA_OBJ.style.display = "none";
				AREA_OBJ.disabled = true;
			}
			else {
				for (var i = 0; i < AREA_OBJ.length; i++) {
					AREA_OBJ[i].style.display = "none";
					AREA_OBJ[i].disabled = true;
				}
			}
		}

		if (PROVINCE_ID == "") {
			//return;
		}

		AREA_OBJ = document.all.item("AREA_ID_" + CHOOSE_AREA_ID + "_" + PROVINCE_ID);
		
		if (AREA_OBJ != null) {
			AREA_OBJ.style.display = "";
			AREA_OBJ.disabled = false;
		}

	//}
	//catch(e) {}
}

function GET_REGION_ID(CHOOSE_AREA_ID) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
	//}
	//catch(e) {}	
	return REGION_ID;
}

function GET_PROVINCE_ID(CHOOSE_AREA_ID) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	var PROVINCE_OBJ = null;
	var PROVINCE_ID = "";
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);	
		PROVINCE_ID = PROVINCE_OBJ.value;
	//}
	//catch(e) {}	
	return PROVINCE_ID;
}

function GET_AREA_ID(CHOOSE_AREA_ID) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	var PROVINCE_OBJ = null;
	var PROVINCE_ID = "";
	var AREA_OBJ = null;
	var AREA_ID = "";
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);	
		PROVINCE_ID = PROVINCE_OBJ.value;

		AREA_OBJ = document.all.item("AREA_ID_" + CHOOSE_AREA_ID + "_" + PROVINCE_ID);	
		AREA_ID = AREA_OBJ.value;
	//}
	//catch(e) {}
	return AREA_ID;
}

function SET_PROVINCE_AREA(CHOOSE_AREA_ID, REGION_ID, PROVINCE_ID, AREA_ID) {
	//try {
		
		if (REGION_ID == null) {
			return;
		}

		var REGION_OBJ = null;
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_OBJ.value = REGION_ID;

		CHANGE_REGION(CHOOSE_AREA_ID, REGION_ID);

		if (PROVINCE_ID == "") {
			//return;
		}

		var PROVINCE_OBJ = null;
		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);
		
		if (PROVINCE_OBJ != null) {
			PROVINCE_OBJ.style.display = "";
			PROVINCE_OBJ.disabled = false;
		}

		if (PROVINCE_ID != null) {
			PROVINCE_OBJ.value = PROVINCE_ID;

			CHANGE_PROVINCE(CHOOSE_AREA_ID, PROVINCE_ID);
		}

		var AREA_OBJ = null;
		AREA_OBJ = document.all.item("AREA_ID_" + CHOOSE_AREA_ID + "_" + PROVINCE_ID);
		
		if (AREA_OBJ != null) {
			AREA_OBJ.style.display = "";
			AREA_OBJ.disabled = false;
		}

		if (AREA_ID != null) {
			AREA_OBJ.value = AREA_ID;
		}

	//}
	//catch(e) {}
}

function CHECK_REGION_ID(CHOOSE_AREA_ID, S_MSG) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	var MSG = S_MSG == null ? "" : S_MSG;
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
		if (REGION_ID == "") {
			alert("请选择" + MSG + "区域！");
			REGION_OBJ.focus();
			return false;
		}
	/*}
	catch(e) {
		return false;
	}*/
	return true;
}

function CHECK_ROVINCE_ID(CHOOSE_AREA_ID, S_MSG) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	var PROVINCE_OBJ = null;
	var PROVINCE_ID = "";
	var MSG = S_MSG == null ? "" : S_MSG;
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
		if (REGION_ID == "") {
			alert("请选择" + MSG + "区域！");
			REGION_OBJ.focus();
			return false;
		}

		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);
		PROVINCE_ID = PROVINCE_OBJ.value;

		if (PROVINCE_ID == "") {
			alert("请选择" + MSG + "省份！");
			PROVINCE_OBJ.focus();
			return false;
		}
	/*}
	catch(e) {
		return false;
	}*/
	return true;
}

function CHECK_AREA_ID(CHOOSE_AREA_ID, S_MSG) {
	var REGION_OBJ = null;
	var REGION_ID = "";
	var PROVINCE_OBJ = null;
	var PROVINCE_ID = "";
	var AREA_OBJ = null;
	var AREA_ID = "";
	var MSG = S_MSG == null ? "" : S_MSG;
	//try {
		REGION_OBJ = document.all.item("REGION_ID_" + CHOOSE_AREA_ID);	
		REGION_ID = REGION_OBJ.value;
		if (REGION_ID == "") {
			alert("请选择" + MSG + "区域！");
			REGION_OBJ.focus();
			return false;
		}

		PROVINCE_OBJ = document.all.item("PROVINCE_ID_" + CHOOSE_AREA_ID + "_" + REGION_ID);
		PROVINCE_ID = PROVINCE_OBJ.value;

		if (PROVINCE_ID == "") {
			alert("请选择" + MSG + "省份！");
			PROVINCE_OBJ.focus();
			return false;
		}

		AREA_OBJ = document.all.item("AREA_ID_" + CHOOSE_AREA_ID + "_" + PROVINCE_ID);
		AREA_ID = AREA_OBJ.value;

		if (AREA_ID == "") {
			alert("请选择" + MSG + "地区！");
			AREA_OBJ.focus();
			return false;
		}
	/*}
	catch(e) {
		return false;
	}*/
	return true;
}

function CLEAR_AREA(CHOOSE_AREA_ID) {
	//try {		
		SET_PROVINCE_AREA(CHOOSE_AREA_ID, "", "", "")
	//}
	//catch(e) {
		
	//}
	
}