纯JS省市区三级联动

效果如图所示：

HTML Code:

"jsAddresss.js" File Content:

// 纯JS省市区三级联动
// 2011-11-30 by http://www.cnblogs.com/zjfree
var addressInit = function(_cmbProvince, _cmbCity, _cmbArea, defaultProvince, defaultCity, defaultArea)
{
	var cmbProvince = document.getElementById(_cmbProvince);
	var cmbCity = document.getElementById(_cmbCity);
	var cmbArea = document.getElementById(_cmbArea);
	
	function cmbSelect(cmb, str)
	{
		for(var i=0; i