//-------------------------------------------------------------------
// ブラウザー情報を取得
//-------------------------------------------------------------------
function getTargetBrowser(){

	var userAgent = window.navigator.userAgent.toLowerCase();

	try{
		// Chrome
		if(userAgent.indexOf('chrome') != -1) {
			target_browser = 'chrome';
		
		// Android 2系
		}else if( userAgent.indexOf('android 2.') != -1 ){
			target_browser = 'android 2';

		}else if( userAgent.indexOf('android 1.') != -1 ){
			target_browser = 'android 2';

		}else if( userAgent.indexOf('android 3') != -1 ){
			target_browser = 'android 3';
			
		}else if( userAgent.indexOf('android 4') != -1 ){
			target_browser = 'android 4';
			
		}else if( userAgent.indexOf('iphone') != -1 ){
			target_browser = 'iphone';
			
		}else if( userAgent.indexOf('ipad') != -1 ){
			target_browser = 'ipad';
			
		}else{
			target_browser = 'unknown';
		}
		
	}catch( e ){
		
		// Chrome
		if(userAgent.indexOf('chrome') != -1) {
			target_browser = 'chrome';
		
		// Android 2.3系
		}else if( userAgent.indexOf('android 2') != -1 ){
			target_browser = 'android 2';

		}else if( userAgent.indexOf('android 3') != -1 ){
			target_browser = 'android 3';
			
		}else if( userAgent.indexOf('android 4') != -1 ){
			target_browser = 'android 4';
			
		}else if( userAgent.indexOf('iPhone') != -1 ){
			target_browser = 'iphone';
			
		}else if( userAgent.indexOf('iPad') != -1 ){
			target_browser = 'ipad';
			
		}else{
			target_browser = 'unknown';
		}
		
	}
	
	return target_browser;
}

//-------------------------------------------------------------------
// autoZoom
//-------------------------------------------------------------------
function autoZoom(){
	
	var obj = document.getElementsByTagName("body");
	obj[0].style.width = '480px';
	
	if(getTargetBrowser() == "chrome"){
		obj[0].style.height = '100%';
		obj[0].style.overflowX = 'hidden';
		obj[0].style.overflowY = 'auto';
	}
	
	obj[0].style.display = 'none';

	var zoom_value = document.body.clientWidth / 480;
	
	try{	
		obj[0].style.display = 'none';
	
		if(zoom_value > 1){
			obj[0].style.zoom = zoom_value;
			
			if(typeof jQuery != "undefined"){
				$(".flickitems ul li div").css("padding-left", "5px"); // ワークアラウンドとしての対応です
			}
			
		}else{
			obj[0].style.zoom = 1;
		}
		
		obj[0].style.display = 'block';
		
	}catch( e ){
		alert(e);
	}
	
	obj[0].style.display = 'block';
	
}

//*************************************************************************
// 読み込み完了時
//*************************************************************************
window.onLoad = function(){

	adjust();
	autoScroll();

	if(getTargetBrowser() == 'android 4'){
		autoZoom();
	}
}


//*************************************************************************
// 回転時
//*************************************************************************
window.onorientationchange = function(){

	var now = new Date();
	
	if(getTargetBrowser() == 'android 4'){
		var obj = document.getElementsByTagName("body");
		obj[0].style.display = 'none';
	}
	
	//adjust();

	if(getTargetBrowser() == 'android 4'){
		var obj = document.getElementsByTagName("body");
		obj[0].style.display = 'block';
	}

}

//*************************************************************************
// リサイズ時
//*************************************************************************
window.onresize = function(){

	if(getTargetBrowser() == 'android 4'){
		var obj = document.getElementsByTagName("body");
		obj[0].style.display = 'none';
	}
	
	adjust();

	if(getTargetBrowser() == 'android 4'){
		autoZoom();
		
		var obj = document.getElementsByTagName("body");
		obj[0].style.display = 'block';
	}
	
}

var latest_orientation = 360;
var latest_scale = 1.0;
var set_width_flag = false;

function autoScroll(){
	scrollTo(0, 1);
}

//-------------------------------------------------------------------
// adjust
//-------------------------------------------------------------------
function adjust(){

	setTimeout(redraw,500); 

}

//-------------------------------------------------------------------
// setScale
//-------------------------------------------------------------------
function setScale(scale){
	
	try{
		var obj = document.getElementsByTagName("html");
		
		if(getTargetBrowser() != "android 2"){
			obj[0].style.overflowX = 'hidden';
			obj[0].style.overflowY = 'auto';
		}
		obj[0].style.width = '480px';
		
	}catch( e ){
		//alert("e1:" + e.toString());
	}
	
	try{
		var obj = document.getElementsByTagName("body");
		if(getTargetBrowser() != "android 2"){
			obj[0].style.overflowX = 'hidden';
			obj[0].style.overflowY = 'auto';
		}
		obj[0].style.width = '480px';
		
	}catch( e ){
		//alert("e2:" + e.toString());
	}
	
	var content_value = ' initial-scale=' + scale + ''
					  + ' ,minimum-scale=' + scale
					  + ' ,maximum-scale=' + scale;
					  //+ ' ,user-scalable=0';
					  // + ' ,width=device-width';

	try{
		var obj = document.getElementById('view_port');
		obj.content = content_value;
	}catch( e ){
		
	}
	
}



//-------------------------------------------------------------------
// setWidth
//-------------------------------------------------------------------
function setWidth(){
	
}


//-------------------------------------------------------------------
// getWidth
//-------------------------------------------------------------------
function getWidth(){
	
	//console.log("getWidth");
	
	var userAgent = window.navigator.userAgent.toLowerCase();
	
	try{
		
		// Chrome
		if(userAgent.indexOf('chrome') != -1) {
			current_width = window.outerWidth;
		
		// Android標準ブラウザ
		}else if( userAgent.indexOf('android') != -1 ){
			
			// Android 2.3系
			if( userAgent.indexOf('android 2') != -1 ){
				setScale(1);
				
				current_width = window.outerWidth;
				current_width = adjustWidth(current_width);
				
				// ワークアラウンド対応
				current_width = current_width / (480 / 320);
				
			}else{
				current_width = window.innerWidth;
				current_width = adjustWidth(current_width);
				
			}
			
			
		// iOSなど
		}else{
			current_width = window.innerWidth;
			if(getTargetBrowser() == "iphone"){
				current_width = 320;
			}else if(getTargetBrowser() == "ipad"){
				current_width = 640;
			}else{
				current_width = window.innerWidth;
			}
		}
				
	}catch( e ){
		
		// Chrome
		if(userAgent.indexOf('chrome') != -1) {
			current_width = window.outerWidth;
			
		// 標準ブラウザ
		}else{
			// Android 2.3系
			if( userAgent.indexOf('android 2.') != -1 ){
				current_width = window.outerWidth;
				
			}else{
				current_width = document.documentElement.clientWidth;
			}
		}
		
	}
	
	return current_width;
	
}

//-------------------------------------------------------------------
// redraw
//-------------------------------------------------------------------
function redraw(){
	
	var userAgent = window.navigator.userAgent.toLowerCase();
	
	if(latest_orientation != window.orientation){
		
		var current_width = 0;
		current_width = getWidth();
		
		//alert("current_width:" + current_width);
		var scale = current_width / 480;
		scale = Math.round(scale * 100) / 100;
		
		// 'android 4' の場合は zoomで拡大するため
		if(getTargetBrowser() == 'android 4'){
			if(scale > 1){
				scale = 1.0;
			}
		}

		latest_orientation = window.orientation;
		
		setScale(scale);
		latest_scale = scale;
		
		if(!set_width_flag){
			setWidth();
		}
		autoScroll();
		
	}
	
}


function adjustWidth(width){
	
	var userAgent = window.navigator.userAgent.toLowerCase();
	
	// 特定機種向けの倍率補正処理
	var target_device = new Array();
	target_device["sc-05d"] = 0.75;
	target_device["sh-06d"] = 0.75;
	
	for (var i in target_device) {
		
		// 倍率補正対象機種の場合
		if(userAgent.indexOf(i) != -1) {
			width = width * target_device[i];
			break;
		}
	}
	
	return width;
	
}

redraw();