function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function openWindow(uri, name){
	var win = window.open(uri, name);
	win.focus();
}

// for "selection" in side menu.
function select(id) {
   var selections = document.getElementById("selections_area").getElementsByTagName("h3");
   
   for (var i = 0; i < selections.length; i++) {
     var element = selections[i];
     if (element.id == id) {
       openSelection(element.id);
     }
     else {
       closeSelection(element.id);
     }
   }
}

function openSelection(id) {
  document.getElementById(id).getElementsByTagName("img")[0].src = "/img/menu_img/select_" + id + "_on.gif";
  document.getElementById("choices_" + id).style.display="block";
}

function closeSelection(id) {
  document.getElementById(id).getElementsByTagName("img")[0].src = "/img/menu_img/select_" + id + ".gif";
  document.getElementById("choices_" + id).style.display="none";
}

// for "delivery address" page
function checkOtherAddress(){
	var other = document.getElementById("otherAddress");
	other.setAttribute("checked", "checked");
	var regist = document.getElementById("registeredAddress");
	regist.removeAttribute("checked");
}

// for "payment method" page
function payAllByPoint() {
	var max = document.getElementById("maxPoint").value;
	document.getElementById("pointUsage").value = max;
}

// for goods list page
function selectCategory() {
	var id = document.getElementById("category_selector").value;
	window.location.href = "/list.html?category=" + id;
}

// for top page
function reduceSize(element) {
	var size = 80
	var w = element.width;
	var h = element.height;
	var nw = w;
	var nh = h;
	if (w >= h) {
		if (w > size) {
			nw = size;
			nh = Math.round(h * nw /w);
		}
	}
	else {
		if (h > size) {
			nh = size;
			nw = Math.round(w * nh / h);
		}
	}
	element.width = nw;
	element.height = nh;
}

function initIndex() {
	MM_preloadImages('/img/index/top_img/kobe_leaf.jpg','/img/index/top_img/kikocha.jpg','/img/index/top_img/peakflush.jpg','/img/index/top_img/kobe_teabag.jpg','/img/index/top_img/kobe_gift.jpg');
	
	reduceSize(document.getElementById('ranking1'));
	reduceSize(document.getElementById('ranking2'));
	reduceSize(document.getElementById('ranking3'));
	//reduceSize(document.getElementById('ranking4'));
	//reduceSize(document.getElementById('ranking5'));
	reduceSize(document.getElementById('recommend1'));
	reduceSize(document.getElementById('recommend2'));
	reduceSize(document.getElementById('recommend3'));
	//reduceSize(document.getElementById('recommend4'));
	//reduceSize(document.getElementById('recommend5'));
}

// for registration and account form page
function toggleUserType() {
	var company = document.getElementById('userTypeCompany');
	var individual = document.getElementById('userTypeIndividual');
	
	if (company.checked) {
		selectCompany();
	}
	else if (individual.checked) {
		selectIndividual();
	}
}
function selectCompany() {
	var trs = document.getElementsByTagName('tr');
	for (i = 0; i < trs.length; i++) {
		if (trs[i].className.indexOf('individual_only') >= 0) {
			trs[i].className = 'individual_only hide';
			var input = trs[i].getElementsByTagName('input')[0];
			input.setAttribute('disabled', 'disabled');
			input.className = 'disabled';
		}
		else if(trs[i].className.indexOf('company_only') >= 0) {
			trs[i].className = 'company_only';
			var input = trs[i].getElementsByTagName('input')[0];
			input.removeAttribute('disabled');
			input.className = '';
		}
	}
	var alert = document.getElementById('alert2');
	alert.style.display = 'none';
	var building = document.getElementById('building');
	building.innerHTML = 'ビル・建物名';
}
function selectIndividual() {
	var trs = document.getElementsByTagName('tr');
	for (i = 0; i < trs.length; i++) {
		if (trs[i].className.indexOf('company_only') >= 0) {
			trs[i].className = 'company_only hide';
			var input = trs[i].getElementsByTagName('input')[0];
			input.setAttribute('disabled', 'disabled');
		}
		else if (trs[i].className.indexOf('individual_only') >= 0) {
			trs[i].className = 'individual_only';
			var input = trs[i].getElementsByTagName('input')[0];
			input.removeAttribute('disabled');
		}
	}
	var alert = document.getElementById('alert2');
	alert.style.display = 'block';
	var building = document.getElementById('building');
	building.innerHTML = 'アパート・マンション';
}