Iframe自動適応ページの高度コード例

 
function SetCwinHeight(obj) { 
var cwin = obj; 
if (document.getElementById) { 
if (cwin && !window.opera) { 
if (cwin.contentDocument && cwin.contentDocument.body.offsetHeight) 
cwin.height = cwin.contentDocument.body.offsetHeight + 30; 
else if (cwin.Document && cwin.Document.body.scrollHeight) 
cwin.height = cwin.Document.body.scrollHeight + 30; 
} 
} 
}