1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
<public:component>
<script type="text/javascript">
// IE5.5+ PNG Alpha Fix v2.0 Alpha
// (c) 2004-2008 Angus Turnbull http://www.twinhelix.com
// This is licensed under the GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/
var IEPNGFix = window.IEPNGFix || {};
IEPNGFix.data = IEPNGFix.data || {};
// This must be a path to a blank image, relative to the HTML document(s).
// In production use I suggest '/images/blankImg' or similar. That's all!
IEPNGFix.blankImg = 'logi-img/clear.gif';
IEPNGFix.fix = function(elm, src, t) {
// Applies an image 'src' to an element 'elm' using the DirectX filter.
// If 'src' is null, filter is disabled.
// Disables the 'hook' to prevent infinite recursion on setting BG/src.
// 't' = type, where background tile = 0, background = 1, IMG SRC = 2.
var h = this.hook.enabled;
this.hook.enabled = 0;
var f = 'DXImageTransform.Microsoft.AlphaImageLoader';
src = (src || '').replace(/\(/g, '%28').replace(/\)/g, '%29');
if (
src && !(/IMG|INPUT/.test(elm.nodeName) && (t != 2)) &&
elm.currentStyle.width == 'auto' && elm.currentStyle.height == 'auto'
) {
elm.style.width = elm.offsetWidth + 'px';
elm.style.height = elm.clientHeight + 'px';
if (elm.currentStyle.display == 'inline') {
elm.style.display = 'inline-block';
}
}
if (t == 1) {
elm.style.backgroundImage = 'url("' + this.blankImg + '")';
}
if (t == 2) {
elm.src = this.blankImg;
}
if (elm.filters[f]) {
elm.filters[f].enabled = src ? true : false;
if (src) {
elm.filters[f].src = src;
}
} else if (src) {
elm.style.filter = 'progid:' + f + '(src="' + src +
'",sizingMethod="' + (t == 2 ? 'scale' : 'crop') + '")';
}
this.hook.enabled = h;
};
IEPNGFix.process = function(elm, init) {
// Checks the onpropertychange event (on first 'init' run, a fake event)
// and calls the filter-applying-functions.
if (
!/MSIE (5\.5|6)/.test(navigator.userAgent) ||
typeof elm.filters == 'unknown'
) {
return;
}
if (!this.data[elm.uniqueID]) {
this.data[elm.uniqueID] = {
className: ''
};
}
var data = this.data[elm.uniqueID],
evt = init ? { propertyName: 'src,backgroundImage' } : event,
isSrc = /src/.test(evt.propertyName),
isBg = /backgroundImage/.test(evt.propertyName),
isPos = /width|height|background(Pos|Rep)/.test(evt.propertyName),
isClass = !init && ((elm.className != data.className) &&
(elm.className || data.className));
if (!(isSrc || isBg || isPos || isClass)) {
return;
}
data.className = elm.className;
var blank = this.blankImg.match(/([^\/]+)$/)[1],
eS = elm.style,
eCS = elm.currentStyle;
// Required for Whatever:hover - erase set BG if className changes.
if (
isClass && (eS.backgroundImage.indexOf('url(') == -1 ||
eS.backgroundImage.indexOf(blank) > -1)
) {
return setTimeout(function() {
eS.backgroundImage = '';
}, 0);
}
// Foregrounds.
if (isSrc && elm.src && { IMG: 1, INPUT: 1 }[elm.nodeName]) {
if ((/\.png/i).test(elm.src)) {
this.fix(elm, elm.src, 2);
} else if (elm.src.indexOf(blank) == -1) {
this.fix(elm, '');
}
}
// Backgrounds.
var bgSrc = eCS.backgroundImage || eS.backgroundImage;
if ((bgSrc + elm.src).indexOf(blank) == -1) {
var bgPNG = bgSrc.match(/url[("']+(.*\.png[^\)"']*)[\)"']/i);
if (bgPNG) {
if (this.tileBG && !{ IMG: 1, INPUT: 1 }[elm.nodeName]) {
this.tileBG(elm, bgPNG[1]);
this.fix(elm, '', 1);
} else {
if (data.tiles && data.tiles.src) {
this.tileBG(elm, '');
}
this.fix(elm, bgPNG[1], 1);
this.childFix(elm);
}
} else {
if (data.tiles && data.tiles.src) {
this.tileBG(elm, '');
}
this.fix(elm, '');
}
} else if ((isPos || isClass) && data.tiles && data.tiles.src) {
this.tileBG(elm, data.tiles.src);
}
if (init) {
this.hook.enabled = 1;
elm.attachEvent('onpropertychange', this.hook);
}
};
IEPNGFix.childFix = function(elm) {
// "hasLayout" fix for unclickable children inside PNG backgrounds.
var tags = [
'a',
'input',
'select',
'textarea',
'button',
'iframe',
'object'
],
t = tags.length,
tFix = [];
while (t--) {
var pFix = elm.all.tags(tags[t]),
e = pFix.length;
while (e--) {
tFix.push(pFix[e]);
}
}
t = tFix.length;
if (t && (/relative|absolute/i).test(elm.currentStyle.position)) {
alert('IEPNGFix: Unclickable children of element:' +
'\n\n<' + elm.nodeName + (elm.id && ' id=' + elm.id) + '>');
}
while (t--) {
if (!(/relative|absolute/i).test(tFix[t].currentStyle.position)) {
tFix[t].style.position = 'relative';
}
}
};
IEPNGFix.hook = function() {
if (IEPNGFix.hook.enabled) {
IEPNGFix.process(element, 0);
}
};
IEPNGFix.process(element, 1);
</script>
</public:component>
|
