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dpavlin |
575 |
// load iframe and resize it |
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// written by Dobrica Pavlinusic <dpavlin@rot13.org> |
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// based on great hints from Robert Avilov |
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var iframe_id_cache = Array(); |
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function iframe_id(name) { |
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if (! iframe_id_cache[name]) { |
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iframe_id_cache[name] = self.document.getElementById(name); |
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} |
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return iframe_id_cache[name]; |
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} |
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function iframe_doc(name) { |
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if (iframe_id(name).contentDocument) return iframe_id(name).contentDocument; |
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if (iframe_id(name).contentWindow) { |
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try { |
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return iframe_id(name).contentWindow.document; |
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} catch (e) {}; |
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} |
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if (iframe_id(name).document) return iframe_id(name).document; |
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return null; |
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} |
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function iframe_height(name) { |
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var doc = iframe_doc(name); |
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if (doc.body) { |
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var h = -1; |
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dpavlin |
578 |
var h1 = -1; |
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dpavlin |
575 |
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if (doc.body.scrollHeight) { |
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dpavlin |
578 |
h1 = parseInt(doc.body.scrollHeight) || -1; |
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//alert(name+" scrollHeight "+h1); |
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if (h1 > h) h = h1; |
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dpavlin |
575 |
} |
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dpavlin |
578 |
if (doc.body.clientHeight) { |
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h1 = parseInt(doc.body.clientHeight) || -1; |
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//alert(name+" clientHeight "+h1); |
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if (h1 > h) h = h1; |
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dpavlin |
575 |
} |
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dpavlin |
578 |
/* |
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var elm = document.getElementById(name); |
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if (elm) { |
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elm.style.height = 'auto'; |
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h1 = elm.offsetHeight; |
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alert(name+" offsetHeight "+h1); |
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if (h1 > h) h = h1; |
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} |
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*/ |
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dpavlin |
575 |
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dpavlin |
578 |
return h + 20; |
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dpavlin |
575 |
} |
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return 50; |
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} |
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function iframe_resize(name) { |
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dpavlin |
578 |
var el=iframe_id(name); |
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if (! el || ! el.src) return; |
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el.style.height = String(iframe_height(name)+'px'); |
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dpavlin |
575 |
} |
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function iframe_load(name,url) { |
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if (! name || ! url) return false; |
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dpavlin |
578 |
var el=iframe_id(name); |
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dpavlin |
575 |
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dpavlin |
578 |
if (! el) alert("can't find element "+name); |
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// is there src, and is src same? |
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if (el.src && el.src.substr(el.src.length - url.length) == url) return false; |
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el.style.height = '0px'; |
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el.src = url; |
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dpavlin |
575 |
return false; |
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} |
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