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29 lines
1.5 KiB
JavaScript
29 lines
1.5 KiB
JavaScript
3 years ago
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//预先导入图片函数,往往是mouseover时候显示的图片
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function MM_preloadImages() { //v3.0
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var d = document; if (d.images) {
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if (!d.MM_p) d.MM_p = new Array();
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var i, j = d.MM_p.length, a = MM_preloadImages.arguments; for (i = 0; i < a.length; i++)
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if (a[i].indexOf("#") != 0) { d.MM_p[j] = new Image; d.MM_p[j++].src = a[i]; }
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}
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}
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//图片还原,当你把鼠标移动到图片,转换为另外一张图片,但是鼠标移开后要还原为原先那张图片.
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function MM_swapImgRestore() { //v3.0
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var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
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}
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function MM_findObj(n, d) { //v4.01
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var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
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d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
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}
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if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
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for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
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if (!x && d.getElementById) x = d.getElementById(n); return x;
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}
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//图片转换函数,鼠标移动到图片时候,要进行图片转换.
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function MM_swapImage() { //v3.0
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var i, j = 0, x, a = MM_swapImage.arguments; document.MM_sr = new Array; for (i = 0; i < (a.length - 2); i += 3)
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if ((x = MM_findObj(a[i])) != null) { document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2]; }
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}
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