// 심플 라이트박스 효과 
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='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";   
		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(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(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);         
}