// JavaScript Document

function checkReg(obj){
	emailReg = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
	cellphoneReg = /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/;
	telReg = /^1[3,5,8]{1}[0-9]{1}[0-9]{8}$/;
	usernameReg = /^\w+$/;
	if(obj.username.value=="" || obj.truename.value=="" || obj.password.value=="" || obj.email.value=="" || obj.tel.value==""){
		alert("带*号为必填项！");
		return false;
	}else if(!usernameReg.test(obj.username.value) || (obj.username.value.length<3 || obj.username.value.length>20)){
		alert("用户名长度为3-20个由下划线，字母和数字组成！");
		return false;
	}else if(!emailReg.test(obj.email.value)){
		alert("邮件格式错误！");
		return false;
	}else if(obj.password.value!=obj.repassword.value){
		alert("两次输入的密码不一致！");
		return false;
	}else{
		return true;
	}
}

function checkLogin(obj){
	if(obj.username.value=="" || obj.password.value==""){
		alert("请输入用户名和密码！");
	}else{
		obj.submit();
	}
}

function checkDel(){
	if(confirm("确认删除")){
		return true;
	}else{
		return false;
	}
}

function showbpic(picstr,id){
	linkObj = document.getElementById("photolink");
	photoObj = document.getElementById("photosrc");
	linkObj.href="artworkdetail.php?id="+id;
	photoObj.src=picstr;
}