function dataFormat()
{
var page_keyword = document.getElementsByName("page_keyword")[0];
if (page_keyword.value == document.getElementsByName("page_keyword")[0].defaultValue){
document.getElementsByName("page_keyword")[0].value = "";
}
var edittag_address = document.getElementsByName("edittag_address")[0];
if (edittag_address.value == document.getElementsByName("edittag_address")[0].defaultValue){
document.getElementsByName("edittag_address")[0].value = "";
}

var kodawari_select=document.getElementsByName("kodawari_select");
var edittag_kodawari = "";
for(var i=0, max=kodawari_select.length; i<max; i++)
{
if(kodawari_select[i].checked)
edittag_kodawari = edittag_kodawari + kodawari_select[i].value + " ";
}

document.getElementById("edittag_kodawari").value = edittag_kodawari;

return true;
}