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_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_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 chkSubmit () {
	flag = 0;
	flag2 = 0;
/*
	for (i=0; i<q1_max; i++) {
		if (document.flapperEnquete.elements["Q1_"+i+"_0"].checked == false && 
			document.flapperEnquete.elements["Q1_"+i+"_1"].checked == false && 
			document.flapperEnquete.elements["Q1_"+i+"_2"].checked == false && 
			document.flapperEnquete.elements["Q1_"+i+"_3"].checked == false ) flag++;
	}
*/	
	if (document.flapperEnquete.Q_age.value == "null") flag++;
	if (document.flapperEnquete.Q_seibetsu_0.checked == false && 
		document.flapperEnquete.Q_seibetsu_1.checked == false ) flag++;
	if (document.flapperEnquete.Q_konyu_0.checked == false && 
		document.flapperEnquete.Q_konyu_1.checked == false && 
		document.flapperEnquete.Q_konyu_2.checked == false ) flag++;
	if (document.flapperEnquete.elements["Q1_1"].value == "novalue" || 
		document.flapperEnquete.elements["Q1_2"].value == "novalue" || 
		document.flapperEnquete.elements["Q1_3"].value == "novalue" || 
		document.flapperEnquete.elements["Q1_4"].value == "novalue" ) {
		flag++;
	} else {
		for (i=1; i<4; i++) {
			if ( document.flapperEnquete.elements["Q1_"+i].value != "notitle" && 
				(document.flapperEnquete.elements["Q1_"+i].value == document.flapperEnquete.elements["Q1_"+(i+1)].value  || 
				(i < 3 && document.flapperEnquete.elements["Q1_"+i].value == document.flapperEnquete.elements["Q1_"+(i+2)].value)) ) {
				flag2++;
			}
		}
	}
	
	if (flag > 0) {
		alert("未回答の質問があります！");
	} else if (flag2 > 0) {
		alert("Q1の回答が重複しています！");
	} else {
		document.flapperEnquete.submit();
	}
}