function vacationType_change(v_type)
{
	var travel_price = document.getElementById("travel_price"); 

	switch(v_type)
	{
		case "1":
		{
			var value_str	= ",1,2,3,4,5";
			var option_str  = "不限,¥500以下,¥500-999,¥1000-1999,¥2000-2999,¥3000以上";

			BuildSelect(travel_price,value_str,option_str)
				
			document.getElementById("holiday_form1").action="/holiday/index.asp"
			BuildSelect(document.getElementById("Dest_City"),",三亚亚龙湾,三亚大东海,三亚三亚湾,其它地区","不限,三亚亚龙湾,三亚大东海,三亚三亚湾,其它地区")
		}
		break;
		case "2":
		{
			var value_str	 = ",1,2,3,4"
			var option_str = "不限,¥200以下,¥200～299,¥300～499,¥500以上"

			document.getElementById("Travel_Type").value="1";
			document.getElementById("holiday_form1").action="/holiday/holiday_travel_list.asp"

			BuildSelect(travel_price,value_str,option_str)
			 BuildSelect(document.getElementById("Dest_City"),",三亚,海口","不限,三亚,海口")
		}
		break;
		case "3":
		{
			var value_str	 = ",1,2,3,4"
			var option_str = "不限,¥200以下,¥200～299,¥300～499,¥500以上"
			document.getElementById("Travel_Type").value="2";
			document.getElementById("holiday_form1").action="/holiday/holiday_travel_list.asp"

			 BuildSelect(travel_price,value_str,option_str)
			 BuildSelect(document.getElementById("Dest_City"),",三亚,海口","不限,三亚,海口")
		}
		break;
		case "4":
		{
			var value_str	 = ",1,2,3,4"
			var option_str = "不限,¥200以下,¥200～299,¥300～499,¥500以上"
			document.getElementById("holiday_form1").action="/holiday/holiday_golf_list.asp"
			 BuildSelect(travel_price,value_str,option_str)
			 BuildSelect(document.getElementById("Dest_City"),",三亚,海口,兴隆,博鳌,七仙岭","不限,三亚,海口,兴隆,博鳌,七仙岭")
		}
		break;
		case "5":
		{
			 var value_str	 = ",1,2,3,4"
			 var option_str = "不限,¥200以下,¥200～299,¥300～499,¥500以上"
			document.getElementById("Travel_Type").value="3";
			document.getElementById("holiday_form1").action="/holiday/holiday_travel_list.asp"

			 BuildSelect(travel_price,value_str,option_str)
			 BuildSelect(document.getElementById("Dest_City"),",三亚,海口","不限,三亚,海口")
		}
		break;
	}
}
function BuildSelect(sel,value_str,option_str)
{
		

	//先清空原来的数据.
	sel.options.length=0;
	var value_list = new Array();
	var option_list = new Array();
	value_list = value_str.split(",");
	option_list = option_str.split(",");
	//开始构建新的Select.
	if(value_list.length>0)   
	{
		for(var i=0;i<value_list.length;i++)
		{
			sel.options.add(new Option(option_list[i],value_list[i])); 
		}
		
	}

}