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source: trunk/expressoMail1_2/js/shortcut.js @ 7881

Revision 7881, 23.3 KB checked in by angelo, 11 years ago (diff)
Ticket #3348 - Problema com aviso de confirmacao de leitura
Property svn:eol-style set to `native`

Line
1	/**
2	* http://www.openjs.com/scripts/events/keyboard_shortcuts/
3	* Version : 2.01.A
4	* By Binny V A
5	* License : BSD
6	*/
7	shortcut = {
8	'all_shortcuts':{},//All the shortcuts are stored in this array
9	'disabled': false,
10	'add': function(shortcut_combination,callback,opt) {
11	//Provide a set of default options
12	var default_options = {
13	'type':'keydown',
14	'propagate':false,
15	'disable_in_input':false,
16	'target':document,
17	'keycode':false
18	}
19	if(!opt) opt = default_options;
20	else {
21	for(var dfo in default_options) {
22	if(typeof opt[dfo] == 'undefined') opt[dfo] = default_options[dfo];
23	}
24	}
25
26	var ele = opt.target;
27	if(typeof opt.target == 'string') ele = document.getElementById(opt.target);
28	var ths = this;
29	shortcut_combination = shortcut_combination.toLowerCase();
30
31	//The function to be called at keypress
32	var func = function(e) {
33	e = e \|\| window.event;
34
35	if(opt['disable_in_input']) { //Don't enable shortcut keys in Input, Textarea fields
36	var element;
37	if(e.target) element=e.target;
38	else if(e.srcElement) element=e.srcElement;
39	if(element.nodeType==3) element=element.parentNode;
40
41	if(element.tagName == 'INPUT' \|\| element.tagName == 'TEXTAREA') return;
42	}
43
44	if(shortcut.disabled === true)
45	return;
46
47
48	//Find Which key is pressed
49	if (e.keyCode) code = e.keyCode;
50	else if (e.which) code = e.which;
51	var character = String.fromCharCode(code).toLowerCase();
52
53	if(code == 188) character=","; //If the user presses , when the type is onkeydown
54	if(code == 190) character="."; //If the user presses , when the type is onkeydown
55
56	var keys = shortcut_combination.split("+");
57	//Key Pressed - counts the number of valid keypresses - if it is same as the number of keys, the shortcut function is invoked
58	var kp = 0;
59
60	//Work around for stupid Shift key bug created by using lowercase - as a result the shift+num combination was broken
61	var shift_nums = {
62	"`":"~",
63	"1":"!",
64	"2":"@",
65	"3":"#",
66	"4":"$",
67	"5":"%",
68	"6":"^",
69	"7":"&",
70	"8":"*",
71	"9":"(",
72	"0":")",
73	"-":"_",
74	"=":"+",
75	";":":",
76	"'":"\"",
77	",":"<",
78	".":">",
79	"/":"?",
80	"\\":"\|"
81	}
82	//Special Keys - and their codes
83	var special_keys = {
84	'esc':27,
85	'escape':27,
86	'tab':9,
87	'space':32,
88	'return':13,
89	'enter':13,
90	'backspace':8,
91
92	'scrolllock':145,
93	'scroll_lock':145,
94	'scroll':145,
95	'capslock':20,
96	'caps_lock':20,
97	'caps':20,
98	'numlock':144,
99	'num_lock':144,
100	'num':144,
101
102	'pause':19,
103	'break':19,
104
105	'insert':45,
106	'home':36,
107	'delete':46,
108	'end':35,
109
110	'pageup':33,
111	'page_up':33,
112	'pu':33,
113
114	'pagedown':34,
115	'page_down':34,
116	'pd':34,
117
118	'left':37,
119	'up':38,
120	'right':39,
121	'down':40,
122
123	'f1':112,
124	'f2':113,
125	'f3':114,
126	'f4':115,
127	'f5':116,
128	'f6':117,
129	'f7':118,
130	'f8':119,
131	'f9':120,
132	'f10':121,
133	'f11':122,
134	'f12':123
135	}
136
137	var modifiers = {
138	shift: {wanted:false, pressed:false},
139	ctrl : {wanted:false, pressed:false},
140	alt : {wanted:false, pressed:false},
141	meta : {wanted:false, pressed:false} //Meta is Mac specific
142	};
143
144	if(e.ctrlKey) modifiers.ctrl.pressed = true;
145	if(e.shiftKey) modifiers.shift.pressed = true;
146	if(e.altKey) modifiers.alt.pressed = true;
147	if(e.metaKey) modifiers.meta.pressed = true;
148
149	for(var i=0; k=keys[i],i<keys.length; i++) {
150	//Modifiers
151	if(k == 'ctrl' \|\| k == 'control') {
152	kp++;
153	modifiers.ctrl.wanted = true;
154
155	} else if(k == 'shift') {
156	kp++;
157	modifiers.shift.wanted = true;
158
159	} else if(k == 'alt') {
160	kp++;
161	modifiers.alt.wanted = true;
162	} else if(k == 'meta') {
163	kp++;
164	modifiers.meta.wanted = true;
165	} else if(k.length > 1) { //If it is a special key
166	if(special_keys[k] == code) kp++;
167
168	} else if(opt['keycode']) {
169	if(opt['keycode'] == code) kp++;
170
171	} else { //The special keys did not match
172	if(character == k) kp++;
173	else {
174	if(shift_nums[character] && e.shiftKey) { //Stupid Shift key bug created by using lowercase
175	character = shift_nums[character];
176	if(character == k) kp++;
177	}
178	}
179	}
180	}
181
182	if(kp == keys.length &&
183	modifiers.ctrl.pressed == modifiers.ctrl.wanted &&
184	modifiers.shift.pressed == modifiers.shift.wanted &&
185	modifiers.alt.pressed == modifiers.alt.wanted &&
186	modifiers.meta.pressed == modifiers.meta.wanted) {
187	callback(e);
188
189	if(!opt['propagate']) { //Stop the event
190	//e.cancelBubble is supported by IE - this will kill the bubbling process.
191	if ( Element('border_id_0') && Element('border_id_0').className != 'menu-sel' ){
192	return false;
193	}
194	e.cancelBubble = true;
195	e.returnValue = false;
196
197
198	//e.stopPropagation works in Firefox.
199	if (e.stopPropagation) {
200	if ( Element('border_id_0') && Element('border_id_0').className != 'menu-sel' ){
201	return false;
202	}
203
204	e.stopPropagation();
205	e.preventDefault();
206	}
207	return false;
208	}
209
210	}
211	if (currentTab == 0 && code == 13){
212	e.stopPropagation();
213	e.preventDefault();
214	}
215	}
216	this.all_shortcuts[shortcut_combination] = {
217	'callback':func,
218	'target':ele,
219	'event': opt['type']
220	};
221	//Attach the function with the event
222	if(ele.addEventListener) ele.addEventListener(opt['type'], func, false);
223	else if(ele.attachEvent) ele.attachEvent('on'+opt['type'], func);
224	else ele['on'+opt['type']] = func;
225	},
226
227	//Remove the shortcut - just specify the shortcut and I will remove the binding
228	'remove':function(shortcut_combination) {
229	shortcut_combination = shortcut_combination.toLowerCase();
230	var binding = this.all_shortcuts[shortcut_combination];
231	delete(this.all_shortcuts[shortcut_combination])
232	if(!binding) return;
233	var type = binding['event'];
234	var ele = binding['target'];
235	var callback = binding['callback'];
236
237	if(ele.detachEvent) ele.detachEvent('on'+type, callback);
238	else if(ele.removeEventListener) ele.removeEventListener(type, callback, false);
239	else ele['on'+type] = false;
240	}
241	}
242
243	/* ExpressMail Functions */
244
245	var shift_up_count = 0;
246	var shift_down_count = 0;
247	var selMessageShortcut = "";
248
249	shortcut.add("N",function(e)
250	{
251	// avoids problem related at ticket #1011
252	e.preventDefault();
253	var search_in_focus = false;
254	var search_win = document.getElementById( 'QuickCatalogSearch_window_QuickCatalogSearch' );
255	if ( search_win && search_win.style.visibility != 'hidden' )
256	search_in_focus = true;
257
258	if ( ! search_in_focus )
259	new_message("new","null");
260	},{'disable_in_input':true});
261
262	shortcut.add("Esc",function(){
263	var window_closed = false;
264	var search_win = document.getElementById( 'window_QuickCatalogSearch' );
265
266	if ($('.ZebraDialog.custom-zebra-filter').css('visibility') != 'visible')
267	delete_border(get_msg_id(), 'false');
268	},{'disable_in_input':false});
269
270	shortcut.add("I",function(){print_all();},{'disable_in_input':true});
271	shortcut.add("E",function(e){ if(e.preventDefault) e.preventDefault(); else event.returnValue = false; setTimeout(function(){exec_msg_action('forward');},50);},{'disable_in_input':true});
272	shortcut.add("R",function(e){ if(e.preventDefault) e.preventDefault(); else event.returnValue = false; setTimeout(function(){exec_msg_action('reply');},50);},{'disable_in_input':true});
273	shortcut.add("T",function(e){ if(e.preventDefault) e.preventDefault(); else event.returnValue = false; setTimeout(function(){var msg_id = get_msg_id(); if(msg_id) new_message("reply_to_all_with_history",msg_id);},50);},{'disable_in_input':true});
274	shortcut.add("O",function(e){ if(e.preventDefault) e.preventDefault(); else event.returnValue = false; show_head_option();},{'disable_in_input':true});
275	shortcut.add("M",function(e){ if(e.preventDefault) e.preventDefault(); else event.returnValue = false; show_address_full();},{'disable_in_input':true});
276
277	shortcut.add("Delete",function(){
278	if(currentTab == 0){
279	proxy_mensagens.delete_msgs(current_folder, get_selected_messages(), 'null');
280	}else{
281	proxy_mensagens.delete_msgs(openTab.imapBox[currentTab], currentTab.substring(0, selMessageShortcut.indexOf("_r")), 'null');
282	}
283	}
284	,{'disable_in_input':true});
285
286	shortcut.add("Ctrl+Up",function(){exec_msg_action('previous');/select_msg('null', 'up');/},{'disable_in_input':true});
287	shortcut.add("Ctrl+Down",function(){exec_msg_action('next');/select_msg('null', 'down');/},{'disable_in_input':true});
288
289	if (is_ie \|\| is_webkit)
290	{
291	//**********************
292	shortcut.add('up', function(e)
293	{
294	if(currentTab == 0){
295	$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
296	if($(".current_selected_shortcut_msg").prev().parents("#tbody_box").length)
297	$(".current_selected_shortcut_msg").blur().removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
298	$(".current_selected_shortcut_msg").addClass("selected_shortcut_msg").focus();
299	}
300	},{'disable_in_input':true});
301
302
303	shortcut.add('down', function(e)
304	{
305	if(currentTab == 0){
306	$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
307	if($(".current_selected_shortcut_msg").next().parents("#tbody_box").length)
308	$(".current_selected_shortcut_msg").blur().removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
309	$(".current_selected_shortcut_msg").addClass("selected_shortcut_msg").focus();
310	}
311	},{'disable_in_input':true});
312
313	shortcut.add('space', function(e)
314	{
315	if(currentTab == 0){
316	var allchecked = true;
317	$.each( $(".selected_shortcut_msg"), function(index, value){
318	if($(value).find(":checkbox").attr("checked") == undefined){
319	allchecked = false;
320	}
321	});
322	if(allchecked){
323	$(".selected_shortcut_msg").removeClass("selected_msg").find('input[type="checkbox"]').removeAttr("checked");
324	}else{
325	//$(".current_selected_shortcut_msg").addClass("selected_msg").find('input[type="checkbox"]').attr("checked", true);
326	$(".selected_shortcut_msg").addClass("selected_msg").find('input[type="checkbox"]').attr("checked", true);
327	}
328	$.each( $(".selected_shortcut_msg"), function(index, value){
329	updateSelectedMsgs($(value).find(":checkbox").is(':checked'),$(value).attr("id"));
330	});
331	$(".current_selected_shortcut_msg").focus();
332	}
333	},{'disable_in_input':true});
334
335	//****************
336
337	shortcut.add("Shift+down",function()
338	{
339	if(currentTab == 0){
340	//$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
341	if($(".current_selected_shortcut_msg").next().parents("#tbody_box").length)
342	if($(".current_selected_shortcut_msg").next().hasClass("selected_shortcut_msg"))
343	$(".current_selected_shortcut_msg").blur().removeClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
344	else
345	$(".current_selected_shortcut_msg").blur().addClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
346	$(".current_selected_shortcut_msg").focus();
347	}
348	},{'disable_in_input':true, 'propagate':false});
349
350	shortcut.add("Shift+up",function(){
351	if(currentTab == 0){
352	//$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
353	if($(".current_selected_shortcut_msg").prev().parents("#tbody_box").length)
354	if($(".current_selected_shortcut_msg").prev().hasClass("selected_shortcut_msg"))
355	$(".current_selected_shortcut_msg").blur().removeClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
356	else
357	$(".current_selected_shortcut_msg").blur().addClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
358	$(".current_selected_shortcut_msg").focus();
359	}
360	},{'disable_in_input':true, 'propagate':false});
361	}
362	else
363	{
364	shortcut.add("Up",function(){
365	if (currentTab == 0){
366	$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
367	if($(".current_selected_shortcut_msg").prev().parents("#tbody_box").length)
368	$(".current_selected_shortcut_msg").blur().removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
369	$(".current_selected_shortcut_msg").focus();
370	}
371	},{'disable_in_input':true});
372
373	shortcut.add("Down",function(){
374	if (currentTab == 0){
375	$(".selected_shortcut_msg").removeClass("selected_shortcut_msg");
376	if($(".current_selected_shortcut_msg").next().parents("#tbody_box").length)
377	$(".current_selected_shortcut_msg").blur().removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
378	$(".current_selected_shortcut_msg").focus();
379	}
380	},{'disable_in_input':true});
381
382	shortcut.add("Shift+down",function(){
383	if(currentTab == 0){
384	if($(".current_selected_shortcut_msg").next().parents("#tbody_box").length)
385	if($(".current_selected_shortcut_msg").next().hasClass("selected_shortcut_msg"))
386	$(".current_selected_shortcut_msg").blur().removeClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
387	else
388	$(".current_selected_shortcut_msg").blur().addClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").next().addClass("current_selected_shortcut_msg selected_shortcut_msg");
389	$(".current_selected_shortcut_msg").focus();
390	}
391	},{'type':'keypress','disable_in_input':true, 'propagate':false});
392
393	shortcut.add("Shift+up",function(){
394	if(currentTab == 0){
395	if($(".current_selected_shortcut_msg").prev().parents("#tbody_box").length)
396	if($(".current_selected_shortcut_msg").prev().hasClass("selected_shortcut_msg"))
397	$(".current_selected_shortcut_msg").blur().removeClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
398	else
399	$(".current_selected_shortcut_msg").blur().addClass("selected_shortcut_msg").removeClass("current_selected_shortcut_msg").prev().addClass("current_selected_shortcut_msg selected_shortcut_msg");
400	$(".current_selected_shortcut_msg").focus();
401	}
402	},{'type':'keypress', 'disable_in_input':true, 'propagate':false});
403	shortcut.add('Space', function(e)
404	{
405	if(currentTab == 0){
406	var allchecked = true;
407	$.each( $(".selected_shortcut_msg"), function(index, value){
408	if($(value).find(":checkbox").attr("checked") == undefined){
409	allchecked = false;
410	}
411	});
412	if(allchecked){
413
414	$(".selected_shortcut_msg").removeClass("selected_msg").find('input[type="checkbox"]').removeAttr("checked");
415	}else{
416	//$(".current_selected_shortcut_msg").addClass("selected_msg").find('input[type="checkbox"]').attr("checked", true);
417	$(".selected_shortcut_msg").addClass("selected_msg").find('input[type="checkbox"]').attr("checked", true);
418	}
419
420	$.each( $(".selected_shortcut_msg"), function(index, value){
421	updateSelectedMsgs($(value).find(":checkbox").is(':checked'),$(value).attr("id"));
422	});
423	}
424	},{'disable_in_input':true});
425	}
426
427	shortcut.add("return",function(){
428	if ( Element('border_id_0').className==='menu-sel' )
429	{
430	all_messages = Element('tbody_box').childNodes;
431	for (var i=0; i < all_messages.length; i++)
432	{
433	if ( exist_className(all_messages[i], 'selected_shortcut_msg') )
434	{
435	Element("td_from_" + all_messages[i].id).onclick();
436	return;
437	}
438	}
439	}
440	},{'disable_in_input':true});
441
442	shortcut.add("f9",function(){
443	Element("em_refresh_button").onclick();
444	return;
445	},{'disable_in_input':false});
446
447	function exec_msg_action(action)
448	{
449	var msg_id = get_msg_id();
450	if (msg_id)
451	{
452	var msg_id = 'msg_opt_' + action + '_' + msg_id;
453	try {Element(msg_id).onclick();}
454	catch(e){/alert(e);/}
455	}
456	return;
457	}
458
459	function show_head_option()
460	{
461	var msg_id = get_msg_id();
462	if (msg_id) {
463	var msg_id = 'option_hide_more_' + msg_id;
464	try {Element(msg_id).onclick();}
465	catch(e){/alert(e);/}
466	}
467	return;
468	}
469
470	function show_address_full()
471	{
472	var toaddress = Element('div_toaddress_' + get_msg_id());
473	var ccaddress = Element('div_ccaddress_' + get_msg_id());
474
475	if(toaddress && '' == toaddress.style.display) {
476	show_div_address_full(get_msg_id(),'to');
477	}
478	else {
479	if(toaddress)
480	toaddress.style.display = '';
481	var toaddress_full = Element('div_toaddress_full_' + get_msg_id());
482	if(toaddress_full)
483	toaddress_full.style.display = 'none';
484	}
485	if(ccaddress && '' == ccaddress.style.display) {
486	show_div_address_full(get_msg_id(),'cc');
487	}
488	else {
489	if(ccaddress)
490	ccaddress.style.display = '';
491	var ccaddress_full = Element('div_ccaddress_full_' + get_msg_id());
492	if(ccaddress_full)
493	ccaddress_full.style.display = 'none';
494	}
495	return;
496	}
497
498	function get_msg_id()
499	{
500	children = Element('border_tr').childNodes;
501
502	for (var i=0; i<children.length; i++)
503	{
504	if ( (children[i].nodeName==='TD') && (children[i].className==='menu-sel') && children[i].id != 'border_id_0')
505	{
506	var border_selected = children[i];
507	var msg_id = border_selected.id.replace("border_id_","");
508	return msg_id;
509	}
510	}
511	return false;
512	}
513
514	function select_msg(msg_number, keyboard_action, force_msg_selection)
515	{
516	/*
517	** Se caso for limpado toda a caixa de email,
518	** e adicionado um novo atalho de selecao.
519	** main.js on function refrash and line 629.
520	*/
521	$("#table_box").find("tr").attr("tabindex", -1);
522	$("#table_box").find("tr").css("outline", "none");
523
524	if(keyboard_action == "reload_msg"){
525	if( $("#tbody_box .current_selected_shortcut_msg").length == 0 ){
526	$("#tbody_box tr:first").addClass("current_selected_shortcut_msg selected_shortcut_msg");
527	}
528	}
529
530	shift_up_count = 0;
531	shift_down_count = 0;
532
533	if (msg_number != 'null') {
534
535	if(Element(msg_number)){
536	unselect_all_msgs();
537	$("#tbody_box tr").removeClass("current_selected_shortcut_msg selected_shortcut_msg");
538	$("#"+msg_number).addClass('current_selected_shortcut_msg selected_shortcut_msg');
539	}
540
541	} else {
542	var scrollMain = Element('divScrollMain_0');
543	var selection_size = parseInt(preferences.line_height) + 10;
544
545	if( keyboard_action == 'down') {
546
547	if(!Element("chk_box_select_all_messages").checked){
548
549	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
550
551	if($(this).hasClass("selected_shortcut_msg") && $(this).next().length){
552	$(this).removeClass("selected_shortcut_msg current_selected_shortcut_msg");
553	$(this).next().addClass("selected_shortcut_msg current_selected_shortcut_msg");
554	return false;
555	}
556	});
557
558	} else {
559
560	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
561
562	if($(this).hasClass("current_selected") && $(this).next().length){
563	$(this).removeClass("current_selected");
564	$(this).removeClass("selected_shortcut_msg");
565	$(this).next().addClass("current_selected");
566	$(this).next().addClass("selected_shortcut_msg");
567	return false;
568	}
569
570	});
571	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
572	if(!$(this).hasClass("current_selected"))
573	$(this).removeClass("selected_shortcut_msg");
574	});
575	}
576
577	} else if( keyboard_action == 'up') {
578
579	if(!Element("chk_box_select_all_messages").checked){
580
581	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
582
583	if($(this).hasClass("selected_shortcut_msg") && $(this).prev().length){
584	$(this).removeClass("selected_shortcut_msg current_selected_shortcut_msg");
585	$(this).prev().addClass("selected_shortcut_msg current_selected_shortcut_msg");
586	return false;
587	}
588
589	});
590
591	} else {
592
593	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
594
595	if($(this).hasClass("current_selected") && $(this).prev().length){
596	$(this).removeClass("current_selected");
597	$(this).removeClass("selected_shortcut_msg");
598	$(this).prev().addClass("current_selected");
599	$(this).prev().addClass("selected_shortcut_msg");
600	return false;
601	}
602
603	});
604	$("#divScrollMain_0").find("#tbody_box").find("tr").each(function(){
605	if(!$(this).hasClass("current_selected"))
606	$(this).removeClass("selected_shortcut_msg");
607	});
608
609	}
610
611	}
612	return true;
613	}
614	}
615
616	function select_bottom_msg()
617	{
618	all_messages = Element('tbody_box').childNodes;
619
620	if ( exist_className(all_messages[all_messages.length-1], 'selected_shortcut_msg') )
621	return;
622
623	for (var i=all_messages.length-1; i >=0; i--)
624	{
625	if ( (exist_className(all_messages[i], 'selected_shortcut_msg')) && (i+1 <= all_messages.length-1) )
626	{
627	shift_down_count++;
628	add_className(all_messages[i+1], 'selected_msg');
629	break;
630	}
631	}
632	}
633
634	function select_top_msg()
635	{
636	all_messages = Element('tbody_box').childNodes;
637
638	if ( exist_className(all_messages[0], 'selected_shortcut_msg') )
639	return;
640
641	for (var i=0; i <=all_messages.length-1; i++)
642	{
643	if ( exist_className(all_messages[i], 'selected_shortcut_msg') )
644	{
645	shift_up_count++;
646	add_className(all_messages[i-1], 'selected_msg');
647	break;
648	}
649	}
650	}
651
652	function unselect_bottom_msg()
653	{
654	all_messages = Element('tbody_box').childNodes;
655	for (var i=all_messages.length-1; i >=0; i--)
656	{
657	if ( exist_className(all_messages[i], 'selected_shortcut_msg') )
658	{
659	shift_down_count--;
660	remove_className(all_messages[i], 'selected_msg');
661	break;
662	}
663	}
664	}
665
666	function unselect_top_msg()
667	{
668	all_messages = Element('tbody_box').childNodes;
669	for (var i=0; i <=all_messages.length-1; i++)
670	{
671	if ( exist_className(all_messages[i], 'selected_shortcut_msg') )
672	{
673	shift_up_count--;
674	remove_className(all_messages[i], 'selected_msg');
675	break;
676	}
677	}
678	}
679
680	function unselect_all_msgs()
681	{
682	all_messages = Element('tbody_box').childNodes;
683	for (var i=0; i <=all_messages.length-1; i++)
684	{
685	remove_className(all_messages[i], 'selected_msg');
686	}
687	}

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