function checkpassnameAjax() {
		xmlHttp=GetXmlHttpObject();		
		if (xmlHttp==null)
		  {
		  alert ("您的浏览器不支持AJAX！");
		  return;
		  }		
		//var url = "../passport/ajax.do";
		var url = "../pst/ajax.do";
 　		var name = document.getElementById("passname").value;
 　		url = url + "?passname="+name;  				
		xmlHttp.onreadystatechange=stateChanged;			
		xmlHttp.open("get",url,true);						
		xmlHttp.send(null);		
	}

	function stateChanged() { 
		if (xmlHttp.readyState==4){ 
			if(xmlHttp.status == 200){			
				var responseText = xmlHttp.responseText;				
				if(responseText=="0"){				
					document.getElementById("passnameid").innerHTML= "<img src='../skin/bw08/images/iright.gif'>";
					document.getElementById("nameflag").value = 'success';					
				}else{
					addCss("passname");
					document.getElementById("passnameid").innerHTML= "<img src='../skin/bw08/images/ierror.gif'>&nbsp;<font color=red>此通行证用户名已被使用</font>";
					document.getElementById("nameflag").value = 'fail';
				}
			}
		}		
		return true;		
	}
	
	function checkCodeAjax(){
		xmlHttp=GetXmlHttpObject();		
		if (xmlHttp==null){
		  alert ("您的浏览器不支持AJAX！");
		  return;
		}			
		//var url = "../passport/checkCode.do";
		var url = "../pst/checkCode.do";
 　		var checkcode = document.getElementById("checkcode").value; 		
 　		url = url + "?checkcode="+encodeURI(checkcode);   						
		xmlHttp.onreadystatechange=stateChanged1;			
		xmlHttp.open("get",url,true);						
		xmlHttp.send(null);		
	}

	function stateChanged1() { 
		if (xmlHttp.readyState==4){ 
			if(xmlHttp.status == 200){	
				var responseText = xmlHttp.responseText;
				if(responseText=="0"){	
					removeCss("checkcode")					
					document.getElementById("checkcodeid").innerHTML= "<img src='../skin/bw08/images/iright.gif'>";	
					document.getElementById("codeflag").value = 'success';
				}else{
					addCss("checkcode");
					document.getElementById("checkcodeid").innerHTML= "<img src='../skin/bw08/images/ierror.gif'>&nbsp;<font color=red>验证码错误</font>";
					document.getElementById("codeflag").value = 'fail';					
				}			
			}
		}		
		return true;		
	}
	
		function GetXmlHttpObject() 	{
		var xmlHttp=null;
		try
		  {
		  // Firefox, Opera 8.0+, Safari
		  xmlHttp=new XMLHttpRequest();
		  }
		catch (e)
		  {
		  // Internet Explorer
		  try
			{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			}
		  catch (e)
			{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
		  }
		return xmlHttp;
	}