| 1 |
/* FIXME rewrite this */ |
| 2 |
|
| 3 |
top.ifr_doc = function(ifr) { |
| 4 |
if (!ifr) return null; |
| 5 |
if (ifr.contentDocument) return ifr.contentDocument; |
| 6 |
if (ifr.contentWindow) { |
| 7 |
try { return ifr.contentWindow.document; } |
| 8 |
catch (e) { } |
| 9 |
} |
| 10 |
if (ifr.document) return ifr.document; |
| 11 |
if (ifr.window && ifr.window.document) return ifr.window.document; |
| 12 |
return null; |
| 13 |
}; |
| 14 |
|
| 15 |
top.ifr_scroll_to_top = function(ifr) { |
| 16 |
if (!ifr) return; |
| 17 |
if (ifr.contentWindow && ifr.contentWindow.scrollTo) ifr.contentWindow.scrollTo(0, 0); |
| 18 |
else if (ifr.window && ifr.window.scrollTo) ifr.window.scrollTo(0, 0); |
| 19 |
else if (ifr.scrollTo) ifr.scrollTo(0, 0); |
| 20 |
}; |
| 21 |
|
| 22 |
top.ifr_get_height = function(ifr) { |
| 23 |
if (!ifr) return false; |
| 24 |
var doc = top.ifr_doc(ifr) || null; |
| 25 |
if (!doc) return false; |
| 26 |
var i; |
| 27 |
var candidates = [ |
| 28 |
doc.body ? doc.body.scrollHeight : null, // IE5 |
| 29 |
doc.body ? doc.body.offsetHeight : null, // NS6 |
| 30 |
doc.body ? doc.body.clientHeight : null, |
| 31 |
doc.body ? doc.body.innerHeight : null, |
| 32 |
doc.innerHeight, |
| 33 |
doc.offsetHeight, |
| 34 |
doc.height |
| 35 |
]; |
| 36 |
|
| 37 |
/* |
| 38 |
var tmp = new Array(); |
| 39 |
for (i = 0; i < candidates.length; i++) { |
| 40 |
if (String(typeof(candidates[i])) == 'undefined') continue; |
| 41 |
if (candidates[i] == null) continue; |
| 42 |
h = parseInt(candidates[i]); |
| 43 |
if (!isNaN(h)) tmp[tmp.length] = String(i) + ': ' + String(h); |
| 44 |
} |
| 45 |
alert(String(ifr.id || '') + "\n" + tmp.join("\n")); |
| 46 |
*/ |
| 47 |
|
| 48 |
var h = -1; |
| 49 |
for (i = 0; h <= 0 && i < candidates.length; i++) { |
| 50 |
if (String(typeof(candidates[i])) == 'undefined') continue; |
| 51 |
if (candidates[i] == null) continue; |
| 52 |
h = parseInt(candidates[i]); |
| 53 |
if (isNaN(h)) h = -1; |
| 54 |
} |
| 55 |
return h; |
| 56 |
}; |
| 57 |
|
| 58 |
top.ifr_resize = function(ifr) { |
| 59 |
if (!ifr) return false; |
| 60 |
var h = top.ifr_get_height(ifr); |
| 61 |
if (h < 0) return; |
| 62 |
top.ifr_scroll_to_top(ifr); |
| 63 |
ifr.height = h; |
| 64 |
ifr.style.height = String(h) + 'px'; |
| 65 |
}; |
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