// JavaScript Document
<!--お申込み画像クリック変換-->

function BIRTH(myPicURL){
   document.images["BigImageBirth"].src = myPicURL;
}
function XMAS(myPicURL){
   document.images["BigImageXmas"].src = myPicURL;
}
function CGL(myPicURL){
   document.images["BigImageCgl"].src = myPicURL;
}
function SUM(myPicURL){
   document.images["BigImageSum"].src = myPicURL;
}