/* * Miscellaneous { */ /* Allow a number of functions to be called when is loaded. */ var onBodyLoadFuncs = new Array(); function addOnBodyLoadFunc(f) { onBodyLoadFuncs[onBodyLoadFuncs.length] = f; } function callOnBodyLoadFuncs() { for (var i = 0; i < onBodyLoadFuncs.length; ++i) onBodyLoadFuncs[i](); } function mtlib_leftPadStr(str, length, padC) { str = new String(str); /* convert to string. */ var s = ''; length -= str.length; for (; length > 0; --length) s = s.concat(padC); return s.concat(str); } /* Help show or hide a block of text (see booking page for example). */ function mtlib_showHide(prefix, action) { function setIfFound(which, value) { var elem = document.getElementById(prefix + which); if (elem) elem.style.display = value; } if (action == 'show') { setIfFound('show', 'none'); setIfFound('hide', 'inline'); setIfFound('body', 'block'); } else if (action == 'hide') { setIfFound('show', 'inline'); setIfFound('hide', 'none'); setIfFound('body', 'none'); } else { alert("Internal error: mtlib_showHide: unknown action [" + action + "]"); } return false; } /* * } Miscellaneous */ /* * Email address hiding { */ /* Convert to: text * If text is empty, user@domain is used instead. */ function mailLink(tag, domain, user, qualifiers, attribs, text) { mailLinkStart(tag, domain, user, qualifiers, attribs); if (text == '') document.write(user + '@' + domain); else document.write(text); mailLinkEnd(tag); } function mailLinkStart(tag, domain, user, qualifiers, attribs) { document.write("<" + tag + " hr" + 'ef="mai' + "lto:" + user + "@" + domain + qualifiers + '" ' + attribs + ' >'); } function mailLinkEnd(tag) { document.write('<\/' + tag + '>'); } /* * } Email address hiding */ /* * DOM stuff { */ function mtlib_findElementsByTagAndName(tagName, name) { var elements = document.getElementsByName(name); // Hack for ie: doesn't find elements that are not supposed to have names if (elements.length == 0) { var el; var tagEls = document.getElementsByTagName(tagName); elements = new Array(); for (var i = 0; i < tagEls.length; ++i) { el = tagEls[i]; if (el.name == name) elements[elements.length] = el; } } return elements; } function mtlib_removeIdsFromTree(parent) { parent.removeAttribute("id"); for (var i = 0; i < parent.childNodes.length; ++i) mtlib_removeIdsFromTree(parent.childNodes[i]); } function mtlib_findTreeElementsByTagAndName(parent, tagName, name, alertIfNotUnique) { var matches = new Array(); var el; var tagEls = parent.getElementsByTagName(tagName); for (var i = 0; i < tagEls.length; ++i) { el = tagEls[i]; // if (el.name == name) if (el.getAttribute("name") == name) matches[matches.length] = el; } if (alertIfNotUnique && matches.length != 1) alert("internal error: failed to find one <" + tagName + "> named (" + name + ")"); return matches; } /* From http://www.quirksmode.org/js/findpos.html */ function mtlib_getHTMLElementPosition(obj) { var curleft = curtop = 0; if (obj.offsetParent) { curleft = obj.offsetLeft curtop = obj.offsetTop while ((obj = obj.offsetParent) != null) { curleft += obj.offsetLeft curtop += obj.offsetTop } } return [curleft, curtop]; } /* * } DOM stuff */ /* * Event stuff { */ /* based on code from * http://evolt.org/article/Mission_Impossible_mouse_position/17/23335/index.html */ function mtlib_getEventDocXY( e, ei ) { var docX, docY; if (!e) e = window.event; if (typeof(e.pageX) == 'number') { docX = e.pageX; docY = e.pageY; } else { docX = e.clientX; docY = e.clientY; /* IE6 (and others?) set documentElement.scrollTop but not (always?) * body.scrollTop (and Left) - but which exist with value 0. */ if (document.documentElement && typeof (document.documentElement.scrollTop) == 'number') { docX += document.documentElement.scrollLeft; docY += document.documentElement.scrollTop; } else { docX += document.body.scrollLeft; docY += document.body.scrollTop; } } ei.docX = docX; ei.docY = docY; } function mtlib_preventDefaultEvent(eventInfo) { if (eventInfo.isIE) { eventInfo.event.cancelBubble = true; eventInfo.event.returnValue = false; } else { eventInfo.event.preventDefault(); } } function mtlib_getEventInfo(eArg) { var e = eArg; if (!e) e = window.event; var t; if (e.target) t = e.target; else if (e.srcElement) t = e.srcElement; /* IE 7.0 sometimes says "nodeType is null or not an object" * (not sure why it isn't "t" or why the nodeType property would * be missing). */ if (typeof t != "undefined" && t != null && typeof t.nodeType != "undefined" && t.nodeType != null && t.nodeType == 3) // defeat Safari bug t = t.parentNode; var ei = new Object(); ei.event = e; ei.target = t; // IE does not have the event.preventDefault() method ei.isIE = e.preventDefault ? 0 : 1; mtlib_getEventDocXY(eArg, ei); return ei; } /* event.modifiers: 1:alt, 2:ctrl, 4:shift, ?:meta; * metaKey also set when 3rd mouse button pressed. */ function mtlib_isShiftKeyDown(eventInfo) { return (eventInfo.event.shiftKey || (eventInfo.event.modifiers & 4)) ? 1 : 0; } function mtlib_isCtrlKeyDown(eventInfo) { if (navigator.platform.indexOf("Mac") >= 0) return (eventInfo.event.ctrlKey || eventInfo.event.metaKey) ? 1 : 0; else return (eventInfo.event.ctrlKey || (eventInfo.event.modifiers & 2)) ? 1 : 0; } function mtlib_centerWindowOnClickAttributes(eventInfo, wWidth, wHeight) { var attr = "width=" + wWidth + ",height=" + wHeight + ",left=" + (eventInfo.event.screenX - wWidth / 2) + ",top=" + (eventInfo.event.screenY - wHeight / 2) ; return attr; } function mtlib_buttonDoubleClickDetect(button) { /* Double click detection/avoidance. */ var nowMS = new Date().getTime(); if (typeof button.lastClickTime != "undefined" && nowMS - button.lastClickTime < 1 * 1000) return true; button.lastClickTime = nowMS; return false; } /* * } Event stuff */ /* * Date stuff { */ var mtlib_daysInMonth_m = [31,28,31,30,31,30,31,31,30,31,30,31]; /* year is yyyy, month is 0..11. */ function mtlib_daysInMonth(year, month) { var nDays = mtlib_daysInMonth_m[month]; if (month != 2) return nDays; if (year % 4 != 0 || (year % 100 == 0 && year % 400 != 0)) return nDays; return nDays - 1; } function mtlib_secondsToHHMMFormat(secs, zeroPadHours, showSecs) { var hh = 0; var mm = 0; var ss = ''; var sign = ''; if (secs < 0) { sign = '-'; secs = -secs; } hh = (secs / (60 * 60)) | 0; if (hh < 10 && zeroPadHours) hh = '0' + hh; mm = secs % (60 * 60); mm = (mm / 60) | 0; if (mm < 10) mm = '0' + mm; if (showSecs) { ss = secs % 60; if (ss < 10) ss = '0' + ss; ss = ':' + ss; } return sign + hh + ':' + mm + ss; } /* * } Date stuff */ /* Check if a popup window was successfully opened. * wObj is the return value from window.open(), * wName (if not null) is used to check that the value of wObj.name * is correct, * blockedFunc is a function to call with the results of the check - it * is passed three arguments: a boolean value indicating success/failure, * a string indicating what test failed, and the window object. * The function is likely to be called after checkForPopupBlocker() * returns. * Returns: nothing. */ function mtlib_checkForPopupBlocker(wObj, wName, blockedFunc) { if (wObj == null) { blockedFunc(true, "window object null", wObj); } else { /* Done after a while as some popup blockers allow the window * to be created but close it very quickly. */ setTimeout(function() { var failedTest = null; if (typeof wObj.parent == 'undefined') { failedTest = "window parent is undefined"; } else { try { var name = wObj.name; if (wName != null && (name == null || name != wName)) { if (name == null) failedTest = "name attribute is null"; else if (name != wName) failedTest = "name attribute is incorrect - expected [" + wName + "], found[" + name + "]"; } else if (wObj.closed) { failedTest = "window is closed"; } } catch (ex) { failedTest = "exception checking name/closed attributes\n(" + ex + ")"; } } if (failedTest == null) blockedFunc(false, "-", wObj); else blockedFunc(true, failedTest, wObj); }, 500); } }