function set_freeword() {

    document.write('<div class="freeword" align="left">');
    document.write('<table width="300" cellpadding="0" cellspacing="0" border="0" bgcolor="#ffffff">');
    document.write('<form method="POST" action="http://www.jcomondemand.jp/common/php/freeword.php" name="form_search" onsubmit="return check_word(this.search.value);">');
    document.write('<tr><td width="180" height="20" align="left" class="line_side"><input type="text" name="search" style="width:180px;"></td><td width="96" height="29" align="left" valign="middle" class="line_bottom"><img src="/library/shared/rn_images/btn_search_o.gif" onclick="if(check_word(document.form_search.search.value)){document.form_search.submit();}" style="cursor:pointer;"></td></tr>');
    document.write('</form>');
    document.write('</table>');
    document.write('</div>');
    
    var myText = "vod_fwtext";
    var myCookie = document.cookie + ";";
    var myCookieFlag = myCookie.indexOf(myText);
    var start;
    var end;
    if(myCookieFlag != -1){
        myCookie = myCookie.substring(myCookieFlag,myCookie.length);
        start = myCookie.indexOf("=",0) + 1;
        end = myCookie.indexOf(";",start);
        document.form_search.search.value = unescape(myCookie.substring(start,end));
    }
}

function check_word(myString){
	if(myString.length == 0 || myString.replace(/ +|　+/,"") == ""){
		alert("検索キーが入力されていません。\n");
		return false;
	}
	return true;
}