function checkKey(){
 var target_input = document.getElementById('search');
 var target_button = document.getElementById('search_btn');
var target_form = document.getElementById('search_form');
 if(target_input.value == ""){
   alert('検索キーワードを指定してください。');
 }
 else{
   target_form.submit();
 }
}


function appl_download(pptvUrl) {
   document.location.href="http://www.infocity.co.jp/peecetv/download.html";
}

function content_download(pptvUrl) {
   document.location.href("http://122.216.220.41/oudan/download/download.html?url=" + encodeURIComponent(pptvUrl));
}