// ·¹À̾î
function na_hide_layer(lname)
{
  if(document.getElementById) {
    document.getElementById(lname).style.visibility = 'hidden';
  } else if(document.layers) {
    document.layers[lname].visibility = 'hide'   
  } else if(document.all)
    document.all(lname).style.visibility = 'hidden' 
}

function na_show_layer(lname)
{
  if (na_show_layer.arguments.length <= 1) { // don't delete, backword compatibility
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'visible';
    } else if(document.layers) {
      document.layers[lname].visibility = 'show'   
    } else if(document.all)
      document.all(lname).style.visibility = 'visible' 
  } else {
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'hidden';
    } else if(document.layers) {
      document.layers[lname].visibility = 'hide'   
    } else if(document.all)
      document.all(lname).style.visibility = 'hidden' 
  }
}

function na_init_layer_events()
{
  if (document.layers) {
    document.layers['layer1'].captureEvents(Event.MOUSEOVER|Event.MOUSEOUT|Event.MOUSEUP);
    document.layers['layer1'].onmouseout = new Function("na_hide_layer('layer2');");
    document.layers['layer1'].onmouseover = new Function("na_show_layer('layer2');");
    document.layers['layer2'].captureEvents(Event.MOUSEOVER|Event.MOUSEOUT|Event.MOUSEUP);
    document.layers['layer2'].onmouseout = new Function("na_hide_layer('layer2');");
    document.layers['layer2'].onmouseover = new Function("na_show_layer('layer2');");
  }
}

// ¸µÅ© Á¡¼± ¾Èº¸ÀÌ°Ô
 
function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 


// ț ̢
function popup_window(url, winname, opt) {
	window.open(url, winname, opt);
}

// 樨毢
function popup_movie(fname, width, height) {
	var top = 50;
	var left = 50;
	url = "../movie/movie_viewer.html?fname="+fname+"&width="+width+"&height="+height;
	width = width + 20;
	height = height + 40;
	opt = 'scrollbars=no,width='+width+',height='+height+',top='+top+',left='+left;
	popup_window(url, "movie", opt);
}


// ¾ÆÀÌÇÁ·¹ÀÓ »çÀÌÁî ÀÚµ¿Á¶Àý
function resizeIframe(fr) {
  fr.setExpression('height',aaa.document.body.scrollHeight);
  fr.setExpression('width',aaa.document.body.scrollWidth);
}