//显示旅游路线数据列表
//act为旅游分类名称
function tour_data_view(act){
	if ( act == "" ){
		return "";
	}
	delete xmlhttp ;
	var xmlhttp;
	if (xmlhttp==null || typeof(xmlhttp)!="object"){
		try{
			xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
		}catch(e){
			try{
				xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
			}catch(e){
				try{
					xmlhttp= new XMLHttpRequest();
				}catch(e){}
			}
		}
	}
	xmlhttp.onreadystatechange=function(){
		if (4==xmlhttp.readyState){
			if (200==xmlhttp.status){
				var return_value=xmlhttp.responseText;
				if ( return_value != null ){
					document.getElementById("tour_data_view").innerHTML = return_value;
				}
			}
		delete xmlhttp ; 
		xmlhttp=null;
		}
	}
	xmlhttp.open("post", "tour_data_view.php", true);
	xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded;text/xml;charset=utf-8");
	xmlhttp.send("act="+encodeURIComponent(act));
}

//设置背景色
function bg_color(obj,color)
{
	obj.style.backgroundColor=color; 
}