var isreg=0;
var mail_reg="^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*$";
var patt=new RegExp(mail_reg);
$(document).ready(function() {
		$("#email1").change(function(){
			if(!patt.test($("#email1").attr('value')) )
			{
			$("#alert_field").empty();
			$("#alert_field").append("Email address error!");
			}else{
				$("#alert_field").empty();
				var post_url=website+"user/isreg";
				$.post(post_url
				,{email:$("#email1").attr('value')}
				,function($data){
					if($data=='FALSE')
					{
						isreg=1;
						$("#alert_field").empty();
						$("#alert_field").append("the Email is OK!");
					}else{
						isreg=0;
						$("#alert_field").empty();
						$("#alert_field").append("the Email has be used!");
					}
				}
				);
			}
			});

		});
function create_account()
{
	if($("#email1").attr("value")=="")
	{
		$("#alert_field").empty();
		$("#alert_field").append("Email can not be empty!");
		$("#email1").focus();
	}else if(!patt.test($("#email1").attr('value')) )
	{
		$("#alert_field").empty();
		$("#alert_field").append("Email address error!");
		$("#email1").focus();
	}else if(!isreg){
		$("#alert_field").empty();
		$("#alert_field").append("the Email has be used!");
		$("#email").select();
		$("#email1").focus();
	}else if($("#password1").attr("value")=="")
	{
		$("#alert_field").empty();
		$("#alert_field").append("Password can not be empty!");
		$("#password1").focus();
	}else if($("#password1").attr("value")!=$("#password2").attr("value"))
	{
		$("#alert_field").empty();
		$("#alert_field").append("Please input the same password!");
		$("#password1").attr("value","");
		$("#password2").attr("value","");
		$("#password1").focus();
	}else{
		$("#form_register").submit();
	}
}