function changsheng(va)
					{                                        
						if(va!='0')
						{
			            var city = document.getElementById("city");
			                city.disabled=false;
			            var qu = document.getElementById("qu");
			                qu.disabled=true;			                
						    var f=document.getElementById("qu");
						    f.options.length=1;
						    var url="Handler.ashx?type=sheng&id="+va;
						    send_request("GET",url,null,"text",populateClass3);
						}						  
					}
					
					function populateClass3(){
					    var f=document.getElementById("city");
					    if(http_request.readyState==4){
						        if(http_request.status==200){
							        var list=http_request.responseText;
							        var classList=list.split("|");
							        f.options.length=1;
							        for(var i=0;i<classList.length;i++){
								        var tmp=classList[i].split(",");
								        f.add(new Option(tmp[1],tmp[0]));
							        }
						        }else{
							        alert("您所请求的页面有异常。");
						        }
					    }
					}
					
					function changshi(va)
					{
					    if(va!='0')
					    {
					    var qu = document.getElementById("qu");
			                qu.disabled=false;					    
					        var url="Handler.ashx?type=shi&id="+va;
						    send_request("GET",url,null,"text",populateClass4);						    
					    }
					}
					function populateClass4(){
					    var f=document.getElementById("qu");
					    if(http_request.readyState==4){
						    if(http_request.status==200){
							    var list=http_request.responseText;
							    var classList=list.split("|");
							    f.options.length=1;
							    for(var i=0;i<classList.length;i++){
								    var tmp=classList[i].split(",");
								    f.add(new Option(tmp[1],tmp[0]));
							    }
						    }else{
							    alert("您所请求的页面有异常。");
						    }
					    }
			        }
			        
                function changeInfo()
                {
	                if(arguments.length < 3)return;
	                var tell = arguments[0];
	                for(var i = 1; i < arguments.length; i++)
	                {
		                var nav = document.getElementById(arguments[i] + "_nav");
		                var content = document.getElementById(arguments[i] + "_content");
		                if(!nav || !content)continue;
		                if(tell == i)
		                {
			                nav.className =  "Ban3";
			                content.style.display = "";
                			
		                }
		                else
		                {
		                  nav.className = "Ban4";
			                content.style.display = "none";
		                }
                		
	                }
                }
                
                
                function changeInfo1()
{
	if(arguments.length < 2)return;
	var tell = arguments[0];
	for(var k = 1; k < arguments.length; k++)
	{
		var nav = document.getElementById(arguments[k] + "_nav");
		var content = document.getElementById(arguments[k] + "_content");
		if(!nav || !content)continue;
		if(tell == k)
		{
			nav.className =  "Sch_Ban1";
			content.style.display = "";
			
		}
		else
		{
		  nav.className = "Sch_Ban2";
			content.style.display = "none";
		}
		
	}
}

function switchTag(tag,content)
{
  for(i=1; i <3; i++)
	{
		if ("tag"+i==tag)
		{
			document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
			document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
		}else{
			document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
			document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
		}
		if ("content"+i==content)
		{
			document.getElementById(content).className="";
		}else{
			document.getElementById("content"+i).className="hidecontent";
		}
		document.getElementById("content").className=content;
	}
}