function openepflist(){
window.open("inst_epf.html","_blank","width=550,height=600,scrollbars=yes,resizable=yes");
}
function openpflist(){
window.open("inst_pf.html","_blank","width=550,height=600,scrollbars=yes,resizable=yes");
}
function opencontact(){
window.open("contact.html","_blank","width=650,height=650,scrollbars=yes,resizable=yes,status=yes");
}
function openform1(){
window.open("form/form_1.php","_blank","width=650,height=750,scrollbars=yes,resizable=yes,status=yes");
}
function openform2(){
window.open("form/agreement.php","_blank","width=650,height=750,scrollbars=yes,resizable=yes,status=yes");
}
function openform3(){
window.open("form/form3.html","_blank","width=650,height=650,scrollbars=yes,resizable=yes,status=yes");
}
function open_option(){
window.open("option2.html","_blank","width=750,height=450,scrollbars=yes,resizable=yes,status=yes");
}


function changeImage(cgImage){document.mainImage.src=cgImage;}