function alertCredit() {
    window.alert('この商品はプレミアム会員のみ注文できます');
	return false;
}



function netseItemMainImage(alt){
document.write('<img src="' + imageurl[1] + '" name="mainImage" width="400" id="mainImage" alt="'+ alt + '">');
}


function itemImageUnderView(num){
document.write('<img src="' + imageurl[num] + '" name="photoName'+ num +'" id="photoName'+ num +'" alt="">');
}


var maxImageWidth = 601;



function dfImageSize(){


	if(document.getElementById('photoName1').width > document.getElementById('photoName1').height){
		//幅広
		if(document.getElementById('photoName1').width > 400 ){
			document.getElementById('mainImage').style.marginTop = (200 - (400/document.getElementById('photoName1').width * document.getElementById('photoName1').height/2))+"px" ;
			document.getElementById('mainImage').width = 400;
			document.getElementById('mainImage').height = 400 / document.getElementById('photoName1').width * document.getElementById('photoName1').height;
		}else{
			document.getElementById('mainImage').width= document.getElementById('photoName1').width;
			document.getElementById('mainImage').height= document.getElementById('photoName1').height;
			document.getElementById('mainImage').style.marginTop = (200 - (document.getElementById('photoName1').height)/2)+"px" ;
		}

	}else if(document.getElementById('photoName1').width < document.getElementById('photoName1').height){
		//幅狭
		if(document.getElementById('photoName1').height > 400){
			document.getElementById('mainImage').height = 400 ;
			document.getElementById('mainImage').width = 400/document.getElementById('photoName1').height * document.getElementById('photoName1').width;
			document.getElementById('mainImage').style.marginTop = "0px" ;
		}else{
			document.getElementById('mainImage').width= document.getElementById('photoName1').width;
			document.getElementById('mainImage').height= document.getElementById('photoName1').height;
			document.getElementById('mainImage').style.marginTop = 200-document.getElementById('photoName1').height/2+"px" ;
		}
		
	}else{
		//正方形		
		if(document.getElementById('photoName1').width > 400 ){
			document.getElementById('mainImage').width = 400;
			document.getElementById('mainImage').height = 400;
			document.getElementById('mainImage').style.marginTop = "0px" ;
		}else{
			document.getElementById('mainImage').width = document.getElementById('photoName1').width;
			document.getElementById('mainImage').height = document.getElementById('photoName1').height;
			document.getElementById('mainImage').style.marginTop = (200 - document.getElementById('photoName1').width/2)+"px" ;
		}
	}




}

function overSizeLink(id){
	if(document.getElementById(id).width == maxImageWidth){
		var imageUrl = document.getElementById(id).src;
		 window.open(imageUrl);
	}
}



function imagedrag(id) {
	if(document.getElementById(id).width == maxImageWidth){
      document.getElementById("orgImage").style.left = event.x;
      document.getElementById("orgImage").style.top = event.y;
      document.getElementById("orgImage").style.display = "block";
	}
}


function doImage2(url, index) {
	//changeLayer(index); //20090902削除
	document.myform.mainImage.src = url;
	document.myform.mainImage.alt = "";
	if(document.getElementById('photoName'+index).width > 400){
		document.getElementById('mainImage').width = 400;
		if(document.getElementById('mainImageCover')){
		document.getElementById('mainImageCover').height = 400 / document.getElementById('photoName'+index).width * document.getElementById('photoName'+index).height;
		}
	}else{
		document.getElementById('mainImage').width = document.getElementById('photoName'+index).width;
		if(document.getElementById('mainImageCover')){
		document.getElementById('mainImageCover').height = document.getElementById('photoName'+index).height;
		}
	}
	document.getElementById('mainImage').style.marginTop = "200px" ;
}


function hideCaption(){
document.getElementById('imageCaption').style.display = "none";
	
}
function doImage(url, width, height, alt, layName, index, imageCount)
{
	//changeLayer(index); //20090902削除
	//document.myform.mainImage.src = url;
	document.getElementById('mainImage').src = url;
	
	document.getElementById('mainImage').style.zIndex = index;//表示画像識別のため
	if (alt) {
		document.myform.mainImage.alt	= alt;
	} else {
		document.myform.mainImage.alt	= "";
	}






	if(document.getElementById('photoName'+index).width > document.getElementById('photoName'+index).height){
		//幅広
		if(document.getElementById('photoName'+index).width > 400 ){
			document.getElementById('mainImage').style.marginTop = (200 - (400/document.getElementById('photoName'+index).width * document.getElementById('photoName'+index).height/2))+"px" ;
			document.getElementById('mainImage').width = 400;
			document.getElementById('mainImage').height = 400 / document.getElementById('photoName'+index).width * document.getElementById('photoName'+index).height;
		}else{
			document.getElementById('mainImage').width= document.getElementById('photoName'+index).width;
			document.getElementById('mainImage').height= document.getElementById('photoName'+index).height;
			document.getElementById('mainImage').style.marginTop = (200 - (document.getElementById('photoName'+index).height)/2)+"px" ;
		}


	}else if(document.getElementById('photoName'+index).width < document.getElementById('photoName'+index).height){
		//幅狭
		if(document.getElementById('photoName'+index).height > 400){
			document.getElementById('mainImage').height = 400 ;
			document.getElementById('mainImage').width = 400/document.getElementById('photoName'+index).height * document.getElementById('photoName'+index).width;
			document.getElementById('mainImage').style.marginTop = "0px" ;
		}else{
			document.getElementById('mainImage').width= document.getElementById('photoName'+index).width;
			document.getElementById('mainImage').height= document.getElementById('photoName'+index).height;
			document.getElementById('mainImage').style.marginTop = 200-document.getElementById('photoName'+index).height/2+"px" ;
		}
		
	}else{
		//正方形		
		if(document.getElementById('photoName'+index).width > 400 ){
			document.getElementById('mainImage').width = 400;
			document.getElementById('mainImage').height = 400;
			document.getElementById('mainImage').style.marginTop = "0px" ;
		}else{
			document.getElementById('mainImage').width = document.getElementById('photoName'+index).width;
			document.getElementById('mainImage').height = document.getElementById('photoName'+index).height;
			document.getElementById('mainImage').style.marginTop = (200 - document.getElementById('photoName'+index).width/2)+"px" ;
		}
	}
//document.getElementById('imageCaption').style.display = "block";
//document.getElementById('imageCaptionAlt').innerHTML = alt;


}

function selectSamNail(index, imageCount)
{
	//delete border
	for (i=0; i<imageCount; i++) {
		document.myform.subImage[i].border = "0";
	}

	document.myform.subImage[index].border = "2";
}

function morePhotoCover(){
	if(document.getElementById('photoName1')){
	document.getElementById('photoCover1').height = document.getElementById('photoName1').height;
	document.getElementById('photoCover1').width = document.getElementById('photoName1').width;
	}
	
	if(document.getElementById('photoName2')){
	document.getElementById('photoCover2').height = document.getElementById('photoName2').height;
	document.getElementById('photoCover2').width = document.getElementById('photoName2').width;
	}
	
	if(document.getElementById('photoName3')){
	document.getElementById('photoCover3').height = document.getElementById('photoName3').height;
	document.getElementById('photoCover3').width = document.getElementById('photoName3').width;
	}
	
	if(document.getElementById('photoName4')){
	document.getElementById('photoCover4').height = document.getElementById('photoName4').height;
	document.getElementById('photoCover4').width = document.getElementById('photoName4').width;
	}
	
	if(document.getElementById('photoName5')){
	document.getElementById('photoCover5').height = document.getElementById('photoName5').height;
	document.getElementById('photoCover5').width = document.getElementById('photoName5').width;
	}
	if(document.getElementById('photoName6')){
	document.getElementById('photoCover6').height = document.getElementById('photoName6').height;
	document.getElementById('photoCover6').width = document.getElementById('photoName6').width;
	}
	if(document.getElementById('photoName7')){
	document.getElementById('photoCover7').height = document.getElementById('photoName7').height;
	document.getElementById('photoCover7').width = document.getElementById('photoName7').width;
	}
	if(document.getElementById('photoName8')){
	document.getElementById('photoCover8').height = document.getElementById('photoName8').height;
	document.getElementById('photoCover8').width = document.getElementById('photoName8').width;
	}
	if(document.getElementById('photoName9')){
	document.getElementById('photoCover9').height = document.getElementById('photoName9').height;
	document.getElementById('photoCover9').width = document.getElementById('photoName9').width;
	}
	if(document.getElementById('photoName10')){
	document.getElementById('photoCover10').height = document.getElementById('photoName10').height;
	document.getElementById('photoCover10').width = document.getElementById('photoName10').width;
	}
}



//scroll
if(!isOpera()){
	Event.observe(
	window,
	'load',
	function() {
	$$('a[href^=#]:not([href=#])').each(function(element) {
	element.observe(
			'click',
			function(event) {
			new Effect.ScrollTo(this.hash.substr(1));
			Event.stop(event);
			}.bindAsEventListener(element)
		)
	})
	})

}