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) { //v4.0
  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 && document.getElementById) x=document.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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function inputCheck () {
	var str = document.search.prtsall.value;
	
	// length check
	var mtc = str.match ( /[A-Za-z0-9]/g );
	if ( mtc == null ) {
		window.alert ( "半角英数4文字以上で入力してください。" );
		document.search.prtsall.focus();
		return false;
	}
	str = mtc.join ( '' );
	if ( str.length < 4 ) {
		window.alert ( "半角英数4文字以上で入力してください。" );
		document.search.prtsall.focus();
		return false;
	}
	
	// delete Cookie
	deleteCookie();

	// open new window
	MM_openBrWindow ( 'about:blank', 'ic_chk', 'scrollbars=yes, width=800, height=800');
	document.search.target = "ic_chk";
	document.search.method = "post";
	document.search.action = "ic/ic_chk.php";
	document.search.submit();

	return true;
}

/*
 * delete Cookie
 */
function deleteCookie () {
	dTime = new Date();
	dTime.setYear(dTime.getYear() - 1);
	document.cookie = "PRTSID=" 
		+ "; path=/" 
		+ "; expires=" + dTime.toGMTString();
}