// JavaScript Document
//ロールオーバー
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_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_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];}
}


// 文字数カウント
function characterCount(field, count, maxchars) {
	if (field.value.length > maxchars) {
		field.value = field.value.substring(0, maxchars);
		alert("エラー："+maxchars+" 文字以下で入力してください。");
	} else {
		count.value = maxchars - field.value.length;
	}
}

function search_txt() {
var keyword2 = document.advanced_search.kwd2.selectedIndex;
	if(keyword2== 0) {
		document.advanced_search.keyword.value ="";
	}
	if(keyword2 > 0) {
		document.advanced_search.keyword.value ="";
		document.advanced_search.keyword.value += document.advanced_search.kwd2.value; 
	}
}

function open_win(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function opne_win(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


/*
function search_txt() {
var keyword1 = document.advanced_search.kwd1.selectedIndex;
var keyword2 = document.advanced_search.kwd2.selectedIndex;
	if(keyword1 == 0 && keyword2== 0) {
		document.advanced_search.keyword.value ="";
	}
	if(keyword1 > 0|| keyword2 > 0) {
		document.advanced_search.keyword.value ="";
		if(keyword1 == 0) {
			document.advanced_search.keyword.value += document.advanced_search.kwd2.value; 
		}
		if(keyword1 > 0) {
			document.advanced_search.keyword.value += document.advanced_search.kwd1.value; 
			if(keyword2 > 0) {
				document.advanced_search.keyword.value += ' ' + document.advanced_search.kwd2.value; 
			}
		}

	}
}
*/
function submit_check() {
var keyword2 = document.advanced_search.kwd2.selectedIndex;
    if (keyword2== 0) {
		alert("「目的」を選択してください。");
		document.advanced_search.kwd2.focus();
		return false ;
    } 
}