/*
	overLayFlash JS: Fullsize FLash Overlays
	by Ken Murayama むらけん - http://www.muraken.biz

	本スクリプトの利用、あるいは利用できないことによって発生した損失や損害に対して
	むらけんならびにF-siteは一切責任を負いません。
	自由に改変、利用してもらって構いません。
	但し転載する場合は、引用元を明記し、リンクを張ってください。
*/

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll() {

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {
		// Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {
		// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll);
	return arrayPageScroll;
}

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize() {

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight) {
		// all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else {
		// Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;

	if (self.innerHeight) {
		// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		// Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) {
		// other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}
	
	// for small pages with total height less then height of the viewport
	if (yScroll < windowHeight) {
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if (xScroll < windowWidth) {
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
}

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

function showFlash(objLink) {
	var file = objLink.href;
	var ver = objLink.ver;
	var dataFile = objLink.name;
	if (navigator.appName.indexOf("Microsoft") != -1) {
		var br = "ie";
	} else {
		var br = "other";
	}
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	var objBody = document.body;
	var objOverlay = document.createElement("div");
	var myTag= '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version='+ver+'" width="100%" height="100%" id="overlayFlash" align="middle"><param name="allowScriptAccess" value="always" /><param name="movie" value="'+file+'" /><param name="quality" value="high" /><param name="salign" value="lt" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" /><param name="FlashVars" value="br='+br+'&dataFile='+dataFile+'" /><embed src="'+file+'" quality="high" salign="lt" swLiveConnect=true wmode="transparent" bgcolor="#ffffff" FlashVars="br='+br+'&dataFile='+dataFile+'" width="100%" height="100%" name="overlayFlash" id="overlayFlash" align="middle" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object>';

	objOverlay.setAttribute('id','overlay');
	//objOverlay.onclick = function() { hideFlash(); return false; };
	objOverlay.style.display = 'block';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '200';
 	objOverlay.style.width = '100%';
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.innerHTML = myTag;
	objBody.insertBefore(objOverlay, objBody.firstChild);
	//window.document.overlayFlash.onclick = function() { hideFlash(); return false; };
	objOverlay.style.display = 'block';
}
function hideFlash() {
	var objBody = document.body;
	//objBody.removeChild(objBody.firstChild);
	objBody.removeChild(document.getElementById("overlay"));
}

function initoverLayFlash() {
	if (!document.getElementsByTagName) { return; }
	
	var anchors = document.getElementsByTagName("a");

	// loop through all anchor tags
	for (var i = 0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "overLayFlash")) {
			anchor.onclick = function() {
				showFlash(this);
				return false;
			};
		}
	}
}

//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func) {

	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		};
	}
}
//addLoadEvent(initoverLayFlash);