trunk/public_html/do_checkbox.js

// usage: onClick="return do_checkbox('name',[1|0|-1];")
// 1 = select all, 0 = select none, -1 = toggle selection
function do_checkbox(name,what) {
        var boxes = document.getElementsByName(name);
        for (var i = 0; boxes && i < boxes.length; i++) {
                switch (what) {
                        case 1: boxes[i].checked = true; break;
                        case 0: boxes[i].checked = false; break;
                        case -1: boxes[i].checked = !boxes[i].checked; break;
                }
        }
        return false; // don't scroll
}
1	// usage: onClick="return do_checkbox('name',[1\|0\|-1];")
2	// 1 = select all, 0 = select none, -1 = toggle selection
3	function do_checkbox(name,what) {
4	var boxes = document.getElementsByName(name);
5	for (var i = 0; boxes && i < boxes.length; i++) {
6	switch (what) {
7	case 1: boxes[i].checked = true; break;
8	case 0: boxes[i].checked = false; break;
9	case -1: boxes[i].checked = !boxes[i].checked; break;
10	}
11	}
12	return false; // don't scroll
13	}