// JavaScript Document
function ajax(url,id){
	var req=false;
	var url;
	try{
		req=new XMLHttpRequest();
	}catch(e){
		try{
			req=new ActiveXObject("Microsoft.XMLHTTP");
		}catch(e){
		    try{
				req=new ActiveXOject("Msxml2.XMLHTTP");
			}catch(e){}
        }
	}
	if(!req){
		alert("对不起，您的浏览器不支持AJAX");
	}
	//req.overrideMimeType="text/xml";
	req.open("GET",url,true);
	req.onreadystatechange=function(){
		var state=req.readyState;
		if(state==4 && req.status==200){
			var date=req.responseText;
			id.innerHTML=date;
		}else{
			id.innerHTML="<span class='err'>数据加载失败...</span>";
		}
	}
	req.send(null);
}

function checkuser(para,str,id){
	var id = document.getElementById(id);
	var para;
	var str;
	if(id){
	    if(str==""){
			id.innerHTML="<span class='err'>不能为空...</span>";
			return false;
		}else{
	      var url = 'checkuser.asp?' + para + '=' + escape(str);
	      id.innerHTML="<span class='err'>数据正在加载，请稍等...</span>";
	      ajax(url,id);
		}
	}else{
		alert('对不起，数据加载错误，请刷新本页试试，如问题依旧，请联系管理员');
	}
}

function check(){
	var pass = document.getElementById('upass');
	var passt = document.getElementById('upasst');
	var pa =document.getElementById('passt');
	if(pass.value==passt.value){
		pa.innerHTML="<span class='ok'></span>";
	}else{
		pa.innerHTML="<span class='err'>错误：两次密码不相同...</span>";
	}
}
function ask(para,str,id){
	var nt = document.getElementById('nt');
	var id = document.getElementById(id);
	var para;
	var str;
	if(id){
	    if(str==""){
			id.innerHTML="<span class='err'>不能为空...</span>";
			nt.disabled='disabled';
			nt.src='images/gnbn.gif';
			return false;
		}else{
	      var url = 'ask.asp?' + para + '=' +  escape(str);
	      id.innerHTML="<span class='err'>数据正在加载，请稍等...</span>";
	      ajax(url,id);
		}
	}else{
		alert('对不起，数据加载错误，请刷新本页试试，如问题依旧，请联系管理员');
	}
}

function checkb(para,str,id){
	var id = document.getElementById(id);
	var para;
	var str;
	if(id){
	    if(str==""){
			id.innerHTML="";
			return false;
		}else{
	      var url = 'checkuser.asp?' + para + '=' +  escape(str);
	      id.innerHTML="<span class='err'>数据正在加载，请稍等...</span>";
	      ajax(url,id);
		}
	}else{
		alert('对不起，数据加载错误，请刷新本页试试，如问题依旧，请联系管理员');
	}
}