var SLB_cnt = 0;

function SLB(url, type) {
    var a = document.getElementById('SLB_film');
    var b = document.getElementById('SLB_content');
    //var c = document.getElementById('SLB_loading');
    if (url) {
        a.style.top = 0;
        a.style.left = 0;
        a.style.display = "";
        if (document.documentElement.scrollHeight > document.body.scrollHeight) {
            a.style.height = document.documentElement.scrollHeight + 'px';
        } else {
            a.style.height = document.body.scrollHeight + 'px';
        }
        //c.style.display = "block";
        //SLB_setCenter(c, true);
        if (type == 'image_c') {
            b.innerHTML = "<img src=" + url + " class='SLB_center' onload='SLB_setCenter(this);' onclick='SLB();' />";
            if (arguments[2]) a.onclick = function() { SLB() };
            if (arguments[3]) b.innerHTML += "<div class='SLB_caption'>" + arguments[3] + "</div>"; ;
        } else if (type == 'image') {
            b.innerHTML = "<img src=" + url + " class='SLB_center' onload='SLB_setCenter(this);' />";
            if (arguments[2]) a.onclick = function() { SLB() };
            if (arguments[3]) b.innerHTML += "<div class='SLB_caption'>" + arguments[3] + "</div>"; ;
        } else if (type == 'iframe') {
            b.innerHTML = "<iframe id='SLB_iframe' src=" + url + " width=" + arguments[2] + " height=" + arguments[3] + " class='SLB_center' marginwidth='0' marginheight='0' frameborder='0' vspace='0' hspace='0' onload='tryReHeight(" + arguments[5] + ");'/></iframe>";
            if (arguments[4]) {
                b.innerHTML += "<div class='SLB_close' onclick='SLB();' title='닫기'>close</div>";
            }
            b.onclick = ''; b.firstChild.style.cursor = 'default';
        } else if (type = 'html') {
            b.innerHTML = url;
            SLB_setCenter(b.firstChild);
            if (arguments[2]) b.onclick = '';
        }
        hideSelect();
    } else {
        a.onclick = '';
        a.style.display = "none";
        a.style.height = '100%';
        a.style.width = '100%';
        b.innerHTML = "";
        b.onclick = function() { SLB() };
        //c.style.display = "none";
        showSelect();
        SLB_cnt = 0;
    }
}

function SLB_setCenter(obj) {
    if (obj) {
        var h = (window.innerHeight || self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight);
        var w = (window.innerWidth || self.innerWidth || document.documentElement.clientWidth || document.body.clientWidth);
        var l = ((window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft) + ((w - (obj.width || parseInt(obj.style.width) || obj.offsetWidth)) / 2));
        var t = ((window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop) + ((h - (obj.height || parseInt(obj.style.height) || obj.offsetHeight)) / 2));
        if ((obj.width || parseInt(obj.style.width) || obj.offsetWidth) >= w) l = 0;
        if ((obj.height || parseInt(obj.style.height) || obj.offsetHeight) >= h) t = (window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
        document.getElementById('SLB_content').style.left = l + "px";
        if (SLB_cnt == 0) {
            document.getElementById('SLB_content').style.top = t + "px";
            if (document.getElementById('SLB_content').offsetHeight >= h - 20) {
                SLB_cnt++;
            }
            if (obj.nextSibling && (obj.nextSibling.className == 'SLB_close' || obj.nextSibling.className == 'SLB_caption')) {
                obj.nextSibling.style.display = 'block';
                if ((t - (window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop)) > (obj.nextSibling.offsetHeight / 2)) {
                    document.getElementById('SLB_content').style.top = parseInt(document.getElementById('SLB_content').style.top) - (obj.nextSibling.offsetHeight / 2) + "px";
                }
            }
        }
        obj.style.visibility = 'visible';
        if (!arguments[1]) {
            document.getElementById('SLB_loading').style.display = "none";
        } else {
            obj.style.left = l + "px";
            obj.style.top = t + "px";
        }
    }
}

function hideSelect() {
    var windows = window.frames.length;
    var selects = document.getElementsByTagName("SELECT");
    for (i = 0; i < selects.length; i++) {
        selects[i].style.visibility = "hidden";
    }
    if (windows > 0) {
        for (i = 0; i < windows; i++) {
            try {
                var selects = window.frames[i].document.getElementsByTagName("SELECT");
                for (j = 0; j < selects.length; j++) {
                    selects[j].style.visibility = "hidden";
                }
            } catch (e) { }
        }
    }
}

function showSelect() {
    var windows = window.frames.length;
    var selects = document.getElementsByTagName("SELECT");
    for (i = 0; i < selects.length; i++) {
        selects[i].style.visibility = "visible";
    }
    if (windows > 0) {
        for (i = 0; i < windows; i++) {
            try {
                var selects = window.frames[i].document.getElementsByTagName("SELECT");
                for (j = 0; j < selects.length; j++) {
                    selects[j].style.visibility = "visible";
                }
            } catch (e) { }
        }
    }
}

function tryReHeight(sign) {
    var getFFVersion = navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1];
    var FFextraHeight = parseFloat(getFFVersion) >= 0.1 ? 16 : 0;
    var FFextraWidth = parseFloat(getFFVersion) >= 0.1 ? 16 : 0;
    var currentfr = document.getElementById('SLB_iframe');
    if (sign == true) {
        try {
            if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) {
                setIframeSize(currentfr.contentDocument.body.offsetHeight, currentfr.contentDocument.body.scrollWidth);
            } else if (currentfr.Document && currentfr.Document.body.scrollHeight) {
                setIframeSize(currentfr.Document.body.scrollHeight, currentfr.Document.body.scrollWidth);
            }
        } catch (e) { }
    } else {
        SLB_setCenter(currentfr);
    }
}

function setIframeSize(h, w) {
    SLB_cnt = 0;
    var ifr = currentfr = document.getElementById('SLB_iframe');
    if (ifr) {
        if (w) {
            ifr.width = w;
        }
        if (h) {
            ifr.height = h;
        }
        SLB_setCenter(ifr);
    }
}

var prevOnScroll = window.onscroll;
window.onscroll = function() {
    if (prevOnScroll != undefined) prevOnScroll();
    if (document.documentElement.scrollHeight > document.body.scrollHeight) {
        document.getElementById('SLB_film').style.height = document.documentElement.scrollHeight + 'px';
    } else {
        document.getElementById('SLB_film').style.height = document.body.scrollHeight + 'px';
    }
    document.getElementById('SLB_film').style.width = document.body.scrollWidth + 'px';
    SLB_setCenter(document.getElementById('SLB_content').firstChild);
}

var prevOnResize = window.onresize;
window.onresize = function() {
    if (prevOnResize != undefined) prevOnResize();
    if (document.documentElement.scrollHeight > document.body.scrollHeight) {
        document.getElementById('SLB_film').style.height = document.documentElement.scrollHeight + 'px';
    } else {
        document.getElementById('SLB_film').style.height = document.body.scrollHeight + 'px';
    }
    document.getElementById('SLB_film').style.width = document.body.offsetWidth + 'px';
    SLB_setCenter(document.getElementById('SLB_content').firstChild);
}