/* PCAS (Province City Area Selector 省、市、地区联动选择JS封装类) Ver 2.01 完整版 *\

　制作时间:2005-12-30
　更新时间:2006-01-24
　数据修正:2006-08-17
　文档大小:18KB
　演示地址:本页
　应用说明:页面包含<script type="text/javascript" src="PCASClass.js"></script>
	省市联动
		new PCAS("Province","City")
		new PCAS("Province","City","吉林省")
		new PCAS("Province","City","吉林省","吉林市")
	省市地区联动
		new PCAS("Province","City","Area")
		new PCAS("Province","City","Area","吉林省")
		new PCAS("Province","City","Area","吉林省","松原市")
		new PCAS("Province","City","Area","吉林省","松原市","宁江区")
	省、市、地区对象取得的值均为实际值。
	注：省、市、地区提示信息选项的值为""(空字符串)