// ·¹À̾îÆ˾÷ Çʸ§È¿°ú
var SLB_cnt = 0;  
function SLB_show(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 = "";
        a.style.height = document.body.scrollHeight + 'px';
        document.getElementById('SLB_loading').style.display = "block";
        SLB_setCenter(c,true);
        if(type == 'image') {
            b.innerHTML="<img src=" + url + " class='SLB_center' onload='SLB_setCenter(this);' />";
            if(arguments[2]) a.onclick = function () { SLB_show() };      
            if(arguments[3]) b.innerHTML += "<div class='SLB_caption'>"+ arguments[3] +"</div>";
        } else if (type == 'iframe') {
            b.innerHTML="<iframe src=" + url + " width="+ arguments[2] +" height="+ arguments[3] +" class='SLB_center' marginwidth='0' marginheight='0' frameborder='0' vspace='0' hspace='0' onload='SLB_setCenter(this);' /></iframe>";        
            if(arguments[4]) {
                b.innerHTML += "<div class='SLB_close' onclick='SLB_show();' title='´Ý±â'>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";
        b.innerHTML = "";
        b.onclick = function () { SLB_show() };
        c.style.display = "none";
        showSelect();
        SLB_cnt = 0;
    }
}

function SLB_setCenter(obj) {
    if (obj) {
        var h = window.innerHeight || self.innerHeight || document.body.clientHeight;
        var w = window.innerWidth || self.innerWidth || document.body.clientWidth;
        var l = (document.body.scrollLeft + ((w-(obj.width||parseInt(obj.style.width)||obj.offsetWidth))/2)); 
        var t = (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 = 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) {
                SLB_cnt ++;
            }
        }
        obj.style.visibility = 'visible';
        if(obj.nextSibling && (obj.nextSibling.className == 'SLB_close' || obj.nextSibling.className == 'SLB_caption')) {
            obj.nextSibling.style.display = 'block';
            if(document.getElementById('SLB_content').offsetHeight < h) {
                document.getElementById('SLB_content').style.top = parseInt(document.getElementById('SLB_content').style.top) -    (obj.nextSibling.offsetHeight/2) + "px";
            }
        }
        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) {}  
        }  
    }  
}  

var prevOnScroll = window.onscroll;      
window.onscroll = function () {
    if (document.getElementById('SLB_film')) {
        if(prevOnScroll != undefined) prevOnScroll();      
        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 (document.getElementById('SLB_film')) {
        if(prevOnResize != undefined) prevOnResize();      
        document.getElementById('SLB_film').style.height = document.body.offsetHeight + 'px';      
        document.getElementById('SLB_film').style.width = document.body.offsetWidth + 'px';      
        SLB_setCenter(document.getElementById('SLB_content').firstChild);            
    }
}