function backPage()
{
	var referrer = new RegExp("http:\/\/www.kinpla-kaitori.jp");
	if (document.referrer) {
		if (referrer.test(document.referrer)) {
			location.href = document.referrer;
		} else {
			location.href = '/book/';
		} 
	} else {
		location.href = '/book/';
	}
}


document.observe('dom:loaded',function(){
//Modal Window
var modal = new Control.Modal($('modal_contents'),{
overlayOpacity: 0.75,
className: 'modal',
position: 'center',
draggable: true,
fade: true
});

modal.observe('afterClose',function(){  
backPage();
});  
modal.open();
});

function changeImage(src, width, height)
{
	document.getElementById('photo').src = src;
	//document.getElementById('photo').width = width;
	//document.getElementById('photo').height = height;
}

function initImage()
{
	var elem, src, width = 0, height = 0;
	for (var i = 1; i <= 3; i++) {
		if (elem = document.getElementById("photo" + i)) {
			src = elem.getAttribute("src");
			width = elem.getAttribute("imgwidth");
			height = elem.getAttribute("imgheight");
			break;
		}
	}
	if (src) {
		 changeImage(src, width, height);
	}
	
}