data = new Array("../images/back.jpg", "../images/sg_title.jpg",
		 "../images/sg_title2.jpg", "../images/mark_sg.jpg", "../images/demo1.jpg",
		 "../images/bordertop.gif", "../images/borderside.gif", "../images/borderbottom.gif",
		 "../images/borderside2.gif", "../images/borderbottom2.gif",
         "../images/left_back.jpg", "../images/sub_back.jpg",
		 "../images/whatsnew.gif", "../images/usersvoice.gif",
		 "../images/aboutus.jpg", "../images/aboutus2.jpg",
		 "../images/btn_Spec.jpg", "../images/btn_Spec2.jpg",
		 "../images/btn_Home.jpg","../images/btn_Products.jpg", "../images/btn_CheckCart.jpg",
		 "../images/btn_Gallery.jpg", "../images/btn_Howto.jpg","../images/btn_Import.jpg",
		 "../images/btn_Home2.jpg","../images/btn_Products2.jpg", "../images/btn_CheckCart2.jpg",
		 "../images/btn_Gallery2.jpg", "../images/btn_Howto2.jpg","../images/btn_Import2.jpg",
		 "../images/line_peg.jpg", "../images/guitar_full.jpg","../images/peg_maker2.gif", 
		 "../images/line_others.jpg", "../images/footer.jpg",
		 "../images/peg_maker.gif", "../images/newmaker.gif", "../images/aboutus_logo.jpg",
		 "../images/btn_Cart.jpg", "../images/btn_Cart2.jpg", "../images/boxup_highlight.gif", "../images/boxdown_highlight.gif");
prImg= new Array();
for (i = 0; i < data.length; i++)
{
  prImg[i] = new Image();
  prImg[i].src = data[i];
}
function switchImage(iName,str)
{
  document.images[iName].src = str;
}
function switchImageOpaque(iName,str)
{
  document.images[iName].style.filter = "alpha(opacity:100)";
  document.images[iName].style.opacity = "1.0";
  document.images[iName].src = str;
}
function switchImageTrans(iName,str)
{
  document.images[iName].style.filter = "alpha(opacity:100)";
  document.images[iName].style.opacity = "1.0";
  document.images[iName].src = str;
}

// フェードイン

function FadeIn1(gazouId) {
  if (opa <= 100) {
    document.getElementById(gazouId).style.filter = "alpha(opacity:"+opa+")";
    document.getElementById(gazouId).style.opacity = opa/100;
    opa += opacnt;
    setTimeout("FadeIn1('"+gazouId+"',"+opa+")", 100);
  }
}

// フェードアウト

function FadeOut1(gazouId) {
  if(opa >= 30) {
    document.getElementById(gazouId).style.filter = "alpha(opacity:"+opa+")";
    document.getElementById(gazouId).style.opacity = opa/100;
    opa -= opacnt;
    setTimeout("FadeOut1("+opa+")",100);
  }
}

opa=70;
opacnt=5;
inOrOut = true;

function imageBlink() {
  obj = document.getElementById("ordernow");
  if(!obj){ return; }
  if (inOrOut) {
	  if(opa <= 100) {
		obj.style.filter = "alpha(opacity:"+opa+")";
		obj.style.opacity = opa/100;
	    opa += opacnt;
	  }else {
		inOrOut = false;
	  }
  } else {
	  if (opa >= 70) {
		obj.style.filter = "alpha(opacity:"+opa+")";
		obj.style.opacity = opa/100;
	    opa -= opacnt;
	  } else {
	    inOrOut = true;
	  }
  }
  setTimeout("imageBlink()", 100);
}
function alpha100()
{
  obj = document.all("order");
  alpha = obj.filters.item("DXImageTransform.Microsoft.Alpha");
  alpha.opacity = 100;
}
function alpha60()
{
  obj = document.all("order");
  alpha = obj.filters.item("DXImageTransform.Microsoft.Alpha");
  alpha.opacity = 60;
}
function blink() {
	obj = document.getElementById("blink");
	if(!obj){ return; }
	if (obj.style.visibility == "visible") {
		obj.style.visibility = "hidden";
		setTimeout("blink()", 200);
	} else {
		obj.style.visibility = "visible";
		setTimeout("blink()", 2000);
	}
}
var current = 1;
function scrollUp() {
	if(current > 1) {
		current--;
		var target = "article-" + current;
		SmoothScroll.scrollTo(target, 'what-new',{time: 300});
	}
}
function scrollDown() {
	if(current < 2) {
		current++;		
		var target = "article-" + current;
		SmoothScroll.scrollTo(target, 'what-new',{time: 300});
	}
}
j$(function() {
	j$("#what-new")
		.mousewheel(function(event, delta) {
			if (delta > 0)
				scrollUp();
			else if (delta < 0)
				scrollDown();
			return false; // prevent default
		});
	});