Stage not resizing on orientation change

[minu-k]

Am creating an image editor library with the support of KinetiJS. In my html,

<div id="editorarea" class="fill">
<div id="imageContainerDiv" class="imageContainerDiv" >
    <div>....</div>
    <div>....</div>
    <div id='rotateouterDiv' class='rotateouterDiv' >
        <textarea placeholder='Enter You Text here' id='inputField' name='graffiti' class='textContainerMob'></textarea>
    </div>
    <div id='imageContainer'></div>
</div>

Then creating a stage

_kineticStage = new editor._Stage({
            container : 'imageContainer',
            width : $('#editorarea').width(),
            height : $('#editorarea').height()
        });

Kinetic.Util.extend(editor._Stage, Kinetic.Stage);

And adding an image,

  _kineticImage = new editor._Image({
                x : 0,
                image : img,
                y : 0,
                draggable : true,
            });
 layer.add(_kineticImage);

The CSS applied is,

#editorarea {
width: 100%;
height: 80%;
margin-top: .1%;

min-height: 70%%;
display: block;
border-width: 2px;
border-style: solid;
}

.fill {
min-height: 85%;
height: 90%;
}

.imageContainerDiv {
width: 100%;
height: 100%;
z-index: 0;
left: 0;
right: 0;
background-color: #FFF;
display: block;
background-image: url(../images/back_pattern.png);
background-repeat: repeat;
overflow: hidden;
}

The text area should be on the top of the image. In this case, I placed that div containing the text area using the @media queries, for supporting different screen size and orientation. The issue occurs when following the steps: load the page in portrait, then change the device orientation to landscape. Then the position of text area is not correct. This is because the kinetic stage is not properly resizing on orientation change (only the area with image). Can anyone help me to resize it properly? This should work in touch devices.

Thanks....