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") {
			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();\">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 currentfr = document.getElementById("SLB_iframe");
	if (sign == true) {
		try {
			if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) setIframeSize(currentfr.contentDocument.body.offsetHeight+FFextraHeight);
			else if (currentfr.Document && currentfr.Document.body.scrollHeight) setIframeSize(currentfr.Document.body.scrollHeight);
		} 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);
}