28 lines
771 B
JavaScript
28 lines
771 B
JavaScript
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var current;
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function tree_unhide(whichLayer,old) {
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if (current == null) current = old;
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var oldtree = document.getElementById('SID_'+current).style;
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oldtree.display = 'none';
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if (document.getElementById) {
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// this is the way the standards work
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var newtree = document.getElementById(whichLayer).value;
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var newtree_div = document.getElementById('SID_'+newtree).style;
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newtree_div.display = 'block';
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/*
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} else if (document.all) {
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// this is the way old msie versions work
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var style2 = document.all[whichLayer].style;
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style2.display = style2.display ? '':'block';
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} else if (document.layers) {
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// this is the way nn4 works
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var style2 = document.layers[whichLayer].style;
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style2.display = style2.display ? '':'block';
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*/
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}
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current = newtree;
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}
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