var scrollStep = 1;
function scrollToTop() {
   if(navigator.appName == "Microsoft Internet Explorer" &&  document.compatMode == "CSS1Compat"){
      var ScrollPs = document.body.parentNode.scrollTop;
   }else{
      var ScrollPs = document.body.scrollTop;
   }
   if(scrollStep < 50 && ScrollPs) {
      ScrollPs = (ScrollPs > 2) ? Math.ceil(ScrollPs*.2) : 1;
      scrollStep++;
      scrollBy(0,-ScrollPs);
      setTimeout("scrollToTop()",10);
   }else{
      scrollTo(0,0);
      scrollStep = 1;
   }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  subWin = window.open(theURL,winName,features);
		subWin.opener=top;
		subWin.focus();
}

function checkCheck(){
	theForm=document.shopsearch;
	
	if(theForm.key.value ==""){
		alert("検索ワードをご入力ください。");
		return false;
	}	
}

function checkCheck2(){
	theForm=document.brandsearch;
	
	if(theForm.key.value ==""){
		alert("検索ワードをご入力ください。");
		return false;
	}	
}