Using Jquery to make an one-time subscription pop-up



Many of bloggers said that a subscription pop-up very helpful in increasing the number of subsriber . Some bloggers such as Johnchow use subscription pop-up to show his new books and ask for subscription from readers .As you can see ,the number of subscriber in Johnchow website is very impressive .
Pop-up good or bad ? I do not mentioned here ^^ In this post ,I've just want to show you how to make a subscription pop-up for your blog . This pop-up will appear in the first-time you visit and it only appear again after several days .

Live Demo


Here are steps for making a pop-up in Blogspot

1,Open template file by go to Blogspot Dashboard ->Design ->Edit HTML . Check the box "Expand widget templates"

2,Add this CSS code right before ]]></b:skin>
#popupContactClose{
cursor: pointer;
text-decoration:none;
}
#backgroundPopup{
display:none;
position:fixed;
_position:absolute; /* hack for internet explorer 6*/
height:100%;
width:100%;
top:0;
left:0;
background:#000000;
border:1px solid #cecece;
z-index:1;
}
#popupContact{
display:none;
position:fixed;
_position:absolute; /* hack for internet explorer 6*/
height:384px;
width:408px;
background:#FFFFFF;
border:2px solid #cecece;
z-index:2;
padding:12px;
font-size:13px;
}
#popupContact h1{
text-align:left;
color:#6FA5FD;
font-size:22px;
font-weight:700;
border-bottom:1px dotted #D3D3D3;
padding-bottom:2px;
margin-bottom:20px;
}
#popupContactClose{
font-size:14px;
line-height:14px;
right:6px;
top:4px;
position:absolute;
color:#6fa5fd;
font-weight:700;
display:block;
}

3,Add this HTML code right before </body>
<div id="popupContact">
         <a id="popupContactClose">x</a>
         <h1>Pop-up title goes here</h1>         
         <p id="contactArea">
             your pop-up content and subscription form ... goes here
         </p>
     </div>
     <div id="backgroundPopup"></div>

This is HTML code of your subscription pop-up .
Replace the text in bold with title of pop-up and pop-up content .
To make this popup becomes a subscription pop-up ,you can add Feedburner subscription code into pop-up content . Like this

<div id="popupContact">
         <a id="popupContactClose">x</a>
         <h1>Subscription to SimplexDesign</h1>         
         <p id="contactArea">
             <form style="border:1px solid #ccc;padding:3px;text-align:center;" action="http://feedburner.google.com/fb/a/mailverify" method="post" target="popupwindow" onsubmit="window.open('http://feedburner.google.com/fb/a/mailverify?uri=Simplex', 'popupwindow', 'scrollbars=yes,width=550,height=520');return true">
                 <p>Enter your email address:</p>
                 <p><input type="text" style="width:140px" name="email"/></p>
                 <input type="hidden" value="Simplex" name="uri"/>
                 <input type="hidden" name="loc" value="en_US"/>
                 <input type="submit" value="Subscribe" />
             </form>

         </p>
     </div>
     <div id="backgroundPopup"></div>

The text in bold is the code of Feedburner subscription form .

You might ask me : how to get Feedburner subscription form ?
It's very easy .If you are using Feedburner ,login to your feedburner account -> click on your blog feed ->click on Publicize tab -> Click on Email Subscriptions -> Active this service -> code of subscription form is in text box .

If you do not use Feedburner ,you can add other code to pop-up content ....

4, Now it's time to add Jquery code . This code will make the pop-up work .
Add this code right before </head>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js" type="text/javascript"></script>   
<script src="http://dinhquanghuy.110mb.com/jquery.cookie.js" type="text/javascript"></script>
<script type="text/javascript">
     var popupStatus = 0;
//this code will load popup with jQuery magic!
function loadPopup(){
    //loads popup only if it is disabled
    if(popupStatus==0){
        $("#backgroundPopup").css({
            "opacity": "0.7"
        });
        $("#backgroundPopup").fadeIn("slow");
        $("#popupContact").fadeIn("slow");
        popupStatus = 1;
    }
}

//This code will disable popup when click on x!
function disablePopup(){
    //disables popup only if it is enabled
    if(popupStatus==1){
        $("#backgroundPopup").fadeOut("slow");
        $("#popupContact").fadeOut("slow");
        popupStatus = 0;
    }
}

//this code will center popup
function centerPopup(){
    //request data for centering
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#popupContact").height();
    var popupWidth = $("#popupContact").width();
    //centering
    $("#popupContact").css({
        "position": "absolute",
        "top": windowHeight/2-popupHeight/2,
        "left": windowWidth/2-popupWidth/2
    });
    //only need force for IE6   
    $("#backgroundPopup").css({
        "height": windowHeight
    });
   
}
//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
    if ($.cookie("anewsletter") != 1) {   
        //centering with css
        centerPopup();
        //load popup
        loadPopup();   
    }       
    //CLOSING POPUP
    //Click the x event!
    $("#popupContactClose").click(function(){
        disablePopup();
        $.cookie("anewsletter", "1", { expires: 7 });
    });
    //Click out event!
    $("#backgroundPopup").click(function(){
        disablePopup();
        $.cookie("anewsletter", "1", { expires: 7 });
    });
    //Press Escape event!
    $(document).keypress(function(e){
        if(e.keyCode==27 && popupStatus==1){
            disablePopup();
            $.cookie("anewsletter", "1", { expires: 7 });
        }
    });
});
</script>

The pop-up will show if you are first-time visitor to the blog and will not displayed again  for 7 days .
With this feature ,reader will not be annoyed by pop-up each time they visit your blog . After 7 days ,the pop-up will show again to remind visitor to subscribing your blog . You can set the number of days pop-up will be appeared again by set the value of expires: 7 to other value ,for example ,expires: 6 ^^

Note : If error occured when uploading template ,you must encode the script in step 4 by copying the code ,and go to this page ,paste the code in textbox and click on encode . After that copy the result and paste it back to template file .


That's all for subscription pop-up .
You can save template and back to your blog to see the changes.
I hope this post will be helpful

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