function BoxChecked(formName,eleName,eleCount,check){

	//alert(formName + "=====" + eleCount + ":::::::" + check);

	//var elemname = "area_id";
	//document.forms[formName].elements["area_id1"].checked = check;

	var count;
	var area_count = parseInt(eleCount);
	for(count = 0; count < area_count; count++){
		var elem = eleName + String(count+1);
		document.forms[formName].elements[elem].checked = check;	//チェックボックスをON/OFFにする
	}

}