13 lines
526 B
JavaScript
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function toggle_display (block) {
var w = document.getElementById (block);
var t = document.getElementById (block + ":toggle");
if (w.style.display == "none") {
w.style.display = "block";
t.getElementsByTagName("img")[0].setAttribute ("src", "xtree/images/clean/Lminus.gif"); // <img src="xtree/images/clean/Lminus.gif">
} else {
w.style.display = "none";
t.getElementsByTagName("img")[0].setAttribute ("src", "xtree/images/clean/Lplus.gif"); // <img src="xtree/images/clean/Lplus.gif">
}
}