1 /*

     2 Author: mg12

     3 Update: 2008/05/05

     4 Author URI: http://www.neoease.com/

     5 */

     6 (function() {

     7 

     8 function $(id) {

     9 	return document.getElementById(id);

    10 }

    11 

    12 function setStyleDisplay(id, status) {

    13 	$(id).style.display = status;

    14 }

    15 

    16 function goTop(a, t) {

    17 	a = a || 0.1;

    18 	t = t || 16;

    19 

    20 	var x1 = 0;

    21 	var y1 = 0;

    22 	var x2 = 0;

    23 	var y2 = 0;

    24 	var x3 = 0;

    25 	var y3 = 0;

    26 

    27 	if (document.documentElement) {

    28 		x1 = document.documentElement.scrollLeft || 0;

    29 		y1 = document.documentElement.scrollTop || 0;

    30 	}

    31 	if (document.body) {

    32 		x2 = document.body.scrollLeft || 0;

    33 		y2 = document.body.scrollTop || 0;

    34 	}

    35 	var x3 = window.scrollX || 0;

    36 	var y3 = window.scrollY || 0;

    37 

    38 	var x = Math.max(x1, Math.max(x2, x3));

    39 	var y = Math.max(y1, Math.max(y2, y3));

    40 

    41 	var speed = 1 + a;

    42 	window.scrollTo(Math.floor(x / speed), Math.floor(y / speed));

    43 	if(x > 0 || y > 0) {

    44 		var f = "MGJS.goTop(" + a + ", " + t + ")";

    45 		window.setTimeout(f, t);

    46 	}

    47 }

    48 

    49 function switchTab(showPanels, hidePanels, activeTab, activeClass, fadeTab, fadeClass) {

    50 	$(activeTab).className = activeClass;

    51 	$(fadeTab).className = fadeClass;

    52 

    53 	var panel, panelList;

    54 	panelList = showPanels.split(',');

    55 	for (var i = 0; i < panelList.length; i++) {

    56 		var panel = panelList[i];

    57 		if ($(panel)) {

    58 			setStyleDisplay(panel, 'block');

    59 		}

    60 	}

    61 	panelList = hidePanels.split(',');

    62 	for (var i = 0; i < panelList.length; i++) {

    63 		panel = panelList[i];

    64 		if ($(panel)) {

    65 			setStyleDisplay(panel, 'none');

    66 		}

    67 	}

    68 }

    69 

    70 function loadCommentShortcut() {

    71 	$('comment').onkeydown = function (moz_ev) {

    72 		var ev = null;

    73 		if (window.event){

    74 			ev = window.event;

    75 		} else {

    76 			ev = moz_ev;

    77 		}

    78 		if (ev != null && ev.ctrlKey && ev.keyCode == 13) {

    79 			$('submit').click();

    80 		}

    81 	}

    82 	$('submit').value += ' (Ctrl+Enter)';

    83 }

    84 

    85 function getElementsByClassName(className, tag, parent) {

    86 	parent = parent || document;

    87 

    88 	var allTags = (tag == '*' && parent.all) ? parent.all : parent.getElementsByTagName(tag);

    89 	var matchingElements = new Array();

    90 

    91 	className = className.replace(/\-/g, '\\-');

    92 	var regex = new RegExp('(^|\\s)' + className + '(\\s|$)');

    93 

    94 	var element;

    95 	for (var i = 0; i < allTags.length; i++) {

    96 		element = allTags[i];

    97 		if (regex.test(element.className)) {

    98 			matchingElements.push(element);

    99 		}

   100 	}

   101 

   102 	return matchingElements;

   103 }

   104 

   105 window['MGJS'] = {};

   106 window['MGJS']['$'] = $;

   107 window['MGJS']['setStyleDisplay'] = setStyleDisplay;

   108 window['MGJS']['goTop'] = goTop;

   109 window['MGJS']['switchTab'] = switchTab;

   110 window['MGJS']['loadCommentShortcut'] = loadCommentShortcut;

   111 window['MGJS']['getElementsByClassName'] = getElementsByClassName;

   112 

   113 })();