var btnCode = "includes/small.html";

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

function initPreviewBtn(radioValue) {

    var id = 'bookmark_image';
    var preview_btn = document.getElementById(id);

    switch(radioValue) {
        case "small":
            btnCode = "includes/small.html";
            var imgSrc = "images/preview-box/small-btn.png";
            preview_btn.src = imgSrc;
            if ((version >= 5.5) && (document.body.filters)) {
                preview_btn.width = 177;
                preview_btn.heigth = 56;
                correctPNGMine(id, imgSrc);
            }
        break;
        case "medium":
            btnCode = "includes/medium.html";
            var imgSrc = "images/preview-box/medium-btn.png";
            preview_btn.src = imgSrc;
            if ((version >= 5.5) && (document.body.filters)) {
                preview_btn.width = 262;
                preview_btn.heigth = 63;
                correctPNGMine(id, imgSrc);
            }
        break;
        case "large":
            btnCode = "includes/large.html";
            var imgSrc = "images/preview-box/large-btn.png";
            preview_btn.src = imgSrc;
            if ((version >= 5.5) && (document.body.filters)) {
                preview_btn.width = 389;
                preview_btn.heigth = 72;
                correctPNGMine(id, imgSrc);
            }
        break;
        default:
            btnCode = "includes/small.html";
            var imgSrc = "images/preview-box/small-btn.png";
            preview_btn.src = imgSrc;
            if ((version >= 5.5) && (document.body.filters)) {
                preview_btn.width = 177;
                preview_btn.heigth = 56;
                correctPNGMine(id, imgSrc);
            }
    }

}