//
// 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;
		xScroll = window.innerWidth + window.scrollMaxX;
		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 showOverLayFlash( param ){
	var file = "../shared/swf/seihin_v3_zoom.swf";
	var ver = "8,0,0,0";
	var selection = param.type+"/"+param.id;
	if( !isNaN(param.id) ){
		var w = 0;
		if(navigator.appName.indexOf("Microsoft") != -1){
			w = '105%';
		}else{
			w = '100%';
		}
		
		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" style="z-index:1000"><param name="allowScriptAccess" value="sameDomain" /><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="selection='+selection+'" /><embed src="'+file+'" quality="high" salign="lt" swLiveConnect=true wmode="transparent" bgcolor="#ffffff" FlashVars="selection='+selection+'" width="100%" height="100%" name="overlayFlash" id="overlayFlash" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" style="z-index:990" /></object>';
		
		objOverlay.setAttribute('id','overlay-flash');
		//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 = 980;
		objOverlay.style.width = w;//((arrayPageSize[0]) + 'px');//'105%';
		objOverlay.style.height = ((getWindowHeight()) + 'px');
		objOverlay.innerHTML = myTag;
		objBody.insertBefore(objOverlay, objBody.firstChild);
		//objBody.insertBefore(objOverlay, objBody.lastChild);
		//objBody.appendChild(objOverlay);
		//window.document.overlayFlash.onclick = function () {hideFlash(); return false;}
		objOverlay.style.display = 'block';
		
		var doc = document;
		var scroll = function(){
		   return {
		      x: doc.body.scrollLeft || doc.documentElement.scrollLeft,
		      y: doc.body.scrollTop  || doc.documentElement.scrollTop
		   };
		};
		window.onscroll = function()
		{
			objOverlay.style.top = scroll().y + "px";
			objOverlay.style.left = scroll().x + "px";
		}
		window.onresize = function()
		{
			if(navigator.appName.indexOf("Microsoft") != -1){
				hideOverLayFlash();
				showOverLayFlash(param);
			} else {
				objOverlay.style.width = w;
				objOverlay.style.height = getWindowHeight() + 'px';
			}
		}
	}
}

function getWindowHeight(){
  if(window.innerHeight) return window.innerHeight;
  if(document.documentElement && document.documentElement.clientHeight){ 
   return document.documentElement.clientHeight;
  }
  else if(document.body && document.body.clientHeight){
   return document.body.clientHeight;
  }
  return 0;
}

function hideOverLayFlash(param){
	var objBody = document.body || document.documentElement;
	var obj = document.getElementById("overlay-flash");
	obj.style.display = "none";
	//obj.parentNode.removeChild(obj);
	document.onscroll = function(){}
	window.onresize = function(){}
}




//
// 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();
		}
	}

}