function openf(href){
	document.all.lform.action=href;
	document.all.lform.target="_self";
	document.all.lform.submit();
}
function commitForm(){
	var username = $("#username").val();
	var userpd = $("#userpd").val();
	var rand = $("#rand").val();
	if(username == ""){
          alert("用户名不能为空！");
          $("#username").focus();
          return false;
    }
	if(username.indexOf(" ") != -1){
		  alert("用户名不能含有空格！");
		  $("#username").focus();
		  return false;
	}
    if(userpd == ""){
	      alert("密码不能为空！");
	      $("#userpd").focus();
          return false;
	}
	if(userpd.indexOf(" ") != -1){
	      alert("密码不能含空格！");
	      $("#userpd").focus();
          return false;
	}
	if(rand==""){
	      alert("请输入验证码！");
	      $("#rand").focus();
        return false;
	}
	if(!checkpwd(userpd)){
		$("#checkpwd").val("0");
	}
	return true;
}


function reloadImage()
{
    var randomnumber=Math.random();
	document.getElementById("randImage").src="image.jsp?a="+randomnumber;
}
function sub(){
	if(commitForm()){
		document.lform.submit();
	}
}

function getCount(){
	$.ajax( {
		type : "POST",
		url : "listCountXml.do",
		cache : false,
		dataType : "xml",
		timeout : 300000,
		success : function(xml) {
			$(xml).find('item').each(function() {
				$("#yearTotal").html($(this).attr("yearTotal"));
				//$("#yearAnswered").html($(this).attr("yearAnswered"));
				$("#monthTotal").html($(this).attr("monthTotal"));
				//$("#monthAnswered").html($(this).attr("monthAnswered"));
				$("#weekTotal").html($(this).attr("weekTotal"));
				//$("#weekAnswered").html($(this).attr("weekAnswered"));
			});
		},
		error : function() {
			alert("请求失败或超时，请稍后再试！");
			//overLoad();
			return;
		}
	});
	}


function checkpwd(passwordStr){
	var num = 0;
	var regexZ = /^.*\d+.*$/;  //是否包含数字
	var regexS = /^.*[A-Z]+.*$/;  //是否包含大写字母
	var regexs = /^.*[a-z]+.*$/;         //是否包含小写字母
	var  regexZT = /^[A-Z a-z 0-9]*[^A-Z a-z 0-9]+[A-Z a-z 0-9]*$/;        //是否包含特殊字符
	
	    if(passwordStr.length<8){
        	return false;
        }
        if (regexZ.test(passwordStr)) {  
            num++;  
        }  
        if (regexS.test(passwordStr)) {  
            num++;  
        } 
        if (regexs.test(passwordStr)) {  
            num++;  
        } 
        if (regexZT.test(passwordStr)) {  
            num++;  
        } 
        if(num>2){
        	return true;
        }else{
        	return false;
        }
}