var SLB_cnt = 0;

function showBox(url, type)
{
  var a = $('#SLB_film').get(0);
  var b = $('#SLB_content').get(0);
  //var c = $('#SLB_loading').get(0);
  var resize = (arguments[5]) ? arguments[5] : true;
  if(url) {
    a.style.top = 0;
    a.style.left = 0;

    $('#SLB_film').show();
    if (document.documentElement.scrollHeight > document.body.scrollHeight) {
      a.style.height = document.documentElement.scrollHeight + 'px';
    } else {
      a.style.height = document.body.scrollHeight + 'px';
    }
    //c.style.display = "block";
    //SLB_setCenter(c,true);
    //loading.css({top:$('html').scrollTop()+10+'px'}).show();

    if(type == 'image') {
      b.innerHTML="<img src=" + url + " class='SLB_center' onload='SLB_setCenter(this);' />";
      if(arguments[2]) a.onclick = function () { showBox() };
      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' allowTransparency='true' onload='tryReHeight("+resize+");'/></iframe>";
      if(arguments[4]) {
        b.innerHTML += "<div class='SLB_close' onclick='showBox();' 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();
    tryReHeight();
  } else {
    a.onclick = '';
    a.style.display = "none";
    a.style.height = '100%';
    a.style.width = '100%';
    try { $('#SLB_iframe').get(0).src = ''; }
    catch (e) {}
    b.innerHTML = "";
    b.onclick = function () { showBox() };
    //c.style.display = "none";
    //loading.hide();
    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);
    $('#SLB_content').get(0).style.left = l + "px";
    if(SLB_cnt == 0) {
      $('#SLB_content').get(0).style.top = t + "px";
      if($('#SLB_content').get(0).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)) {
          $('#SLB_content').get(0).style.top = parseInt($('#SLB_content').get(0).style.top) - (obj.nextSibling.offsetHeight/2) + "px";
        }
      }
    }
    obj.style.visibility = 'visible';
    if(!arguments[1]) {
      //$('#SLB_loading').get(0).style.display = "none";
      //loading.hide();
    } 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 currentfr = $('#SLB_iframe').get(0);
  if(sign == true) {
    try {
      if (currentfr.Document && currentfr.Document.body.scrollHeight) {
        setIframeSize(currentfr.Document.body.scrollHeight);
      } else if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) {
        setIframeSize(currentfr.contentDocument.body.offsetHeight+FFextraHeight);
      }
    }catch(e) { }
  } else {
    SLB_setCenter(currentfr);
  }
  try {
    currentfr.contentWindow.focus();
  } catch(e) { }
}

function setIframeSize(h, w) {
  SLB_cnt = 0;
  var ifr = currentfr=$('#SLB_iframe').get(0);
  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) {
    $('#SLB_film').get(0).style.height = document.documentElement.scrollHeight + 'px';
  } else {
    $('#SLB_film').get(0).style.height = document.body.scrollHeight + 'px';
  }
  $('#SLB_film').get(0).style.width = document.body.scrollWidth + 'px';
  SLB_setCenter($('#SLB_content').get(0).firstChild);
}

var prevOnResize = window.onresize;
window.onresize = function () {
  if(prevOnResize != undefined) prevOnResize();
  if (document.documentElement.scrollHeight > document.body.scrollHeight) {
    $('#SLB_film').get(0).style.height = document.documentElement.scrollHeight + 'px';
  } else {
    $('#SLB_film').get(0).style.height = document.body.scrollHeight + 'px';
  }
  $('#SLB_film').get(0).style.width = document.body.offsetWidth + 'px';
  SLB_setCenter($('#SLB_content').get(0).firstChild);
}