/** * cms.functions.js * * A set of javascript functions that are so common, that we will most always * need them when scripting in js. * * @author R.J.T. de Vries * @version 2.00, 03/02/2006 - Rewritten and regrouped most functions. * @version 2.10, 07/27/2007 - Added function String.prototype.capitalize(). * @package CMS */ /** * A PHP-style method to see if given object is actually an object, and not * an undefined variable. * * @author R.J.T. de Vries * @param mixed o potential object to check * @return boolean true if object, false if not */ function is_object(o) { if ( typeof(o) != 'undefined' && o !== 'null' && o !== null ) return true; return false; } // is_object() /** * Works the same as the PHP equivalent. * * @author R.J.T. de Vries * @param mixed needle * @param array haystack * @return boolean true if found, false if not. * @access public */ function in_array(needle, haystack) { if ( !is_object(haystack) || !haystack.length ) return false; for ( var i = 0; i < haystack.length; i++ ) { if ( haystack[i] == needle ) return true; } // for() return false; } // in_array() /** * Generate a random integer * * int rand ( [int min, int max] ) * If you want a random number between 5 and 15 (inclusive), for example, * use rand (5, 15). * * @author R.J.T. de Vries * @param integer iMin * @param integer iMax * @return integer rnd */ function rand(iMin, iMax) { var rnd = iMin - 1, maxtime = 100, d = new Date(), tstart = d.getTime(), tend; while ( rnd < iMin || rnd > iMax ) { rnd = parseInt(Math.random() * 10); d = new Date(); tend = d.getTime(); if ( (tend - tstart) > maxtime ) return false; } // while() return rnd; } // rand() /** * Does the same as PHP equivalent. * * @author R.J.T. de Vries * @param array arr array to get values of * @return array ret array with all the keys being incrementing integers */ function array_values(arr) { var j = 0, ret = []; for (var i = 0; i < arr.length; i++ ) if ( arr[i] ) ret[j++] = arr[i]; return ret; } // array_values() /** * Does the same as PHP equivalent. * * Returns the rounded value of val to specified precision (number of digits * after the decimal point). Precision can also be negative or zero (default). * * @author R.J.T. de Vries * @param float val value to round. * @param integer [precision] number of digits after the decimal point. * @return mixed rounded value. */ function round(val, precision) { var factor; // factor used for precision. if ( !precision ) precision = 0; factor = Math.pow(10, precision); val *= factor; val = Math.round(val); val /= factor; return val; } // round() /** * Validate given e-mailaddress based on compilation of characters. No check * is included for validating toplevel domain. * * @author R.J.T. de Vries * @param string address e-mail address to validate. * @return boolean true if valid, false if not. */ function is_valid_email(address) { var checkTLD = 1, // check toplevel domain? knownDomsPat, // list of known TLDs that an e-mail address must end with. emailPat, // Pattern to check if address fits user@domain format. // Also used to separate the username from the domain. specialChars, // String representing pattern for matching all special characters. // We don't want to allow special characters in the address. validChars, // Pattern representing range of characters allowed in username or domain. // It really states which chars aren't allowed. quotedUser, // Pattern applies if the "user" is a quoted string (in which case, there are // no rules about which characters are allowed and which aren't. // E.g. "jiminy cricket"@disney.com is a legal e-mail address. ipDomainPat, // Pattern applies for domains that are IP addresses, rather than symbolic names. atom, // string represents an atom (basically a series of non-special characters). word, // String represents one word in the typical username. // For example, in john.doe@somewhere.com, john and doe are words. // Basically, a word is either an atom or quoted string. userPat, // Pattern describes the structure of the user. domainPat, // Pattern describes the structure of a normal symbolic // domain, as opposed to ipDomainPat, shown above. matchArray, // coarse pattern to simply break up user@domain into // different pieces that are easy to analyze. user, // user part of address. domain, // domain part of address. i, // iterator IPArray, // if domain is an IP address make sure the IP address is valid. atomPat, domArr, len; knownDomsPat = /^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/; emailPat = /^(.+)@(.+)$/; specialChars = "\\(\\)><@,;:\\\\\\\"\\.\\[\\]"; validChars = "\[^\\s" + specialChars + "\]"; quotedUser = "(\"[^\"]*\")"; ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/; atom = validChars + '+'; word = "(" + atom + "|" + quotedUser + ")"; userPat = new RegExp("^" + word + "(\\." + word + ")*$"); domainPat = new RegExp("^" + atom + "(\\." + atom +")*$"); /* VALIDATION PHASE */ matchArray = address.match(emailPat); if ( matchArray == null ) return false; user = matchArray[1]; domain = matchArray[2]; // Start by checking that only basic ASCII characters are in the strings (0-127). for ( i = 0; i < user.length; i++ ) { if ( user.charCodeAt(i) > 127 ) return false; } for ( i = 0; i < domain.length; i++ ) { if ( domain.charCodeAt(i) > 127 ) return false; } if ( user.match(userPat) == null ) return false; IPArray = domain.match(ipDomainPat); if ( IPArray != null ) { for ( i = 1; i <= 4; i++ ) { if ( IPArray[i] > 255 ) return false; } return true; } // Domain is symbolic name. Check if it's valid. atomPat = new RegExp("^" + atom + "$"); domArr = domain.split("."); len = domArr.length; for ( i = 0; i < len; i++ ) { if ( domArr[i].search(atomPat)==-1 ) return false; } // for() if ( checkTLD && domArr[domArr.length-1].length != 2 && domArr[domArr.length-1].search(knownDomsPat) == -1 ) { return false; } if ( len < 2 ) return false; return true; } // is_valid_email() /** * Get the first parentNode of the given object that has the given tagname. * * @author R.J.T. de Vries * @param string tagname tagname we want the parentNode to have. * @param object obj object we want to have the parentNode of. * @return mixed parentnode with the given tagname or false on * failure */ function getParentNode(tag, obj) { tag = tag.toUpperCase(); while ( is_object(obj.parentNode) && obj.tagName.toUpperCase() != tag ) { obj = obj.parentNode; } // while() if ( !is_object(obj) || !obj.tagName || obj.tagName.toUpperCase() != tag ) { return false; } return obj; } // getParentNode() /** * Get the index number of a childNode in its parentNode * * @author R.J.T. de Vries * @param object child dom object representing child. * @param boolean excludeTextNodes exclude text nodes in the calculation. * @return mixed (int) index or false on failure */ function getChildIndex(child, excludeTextNodes) { var j = 0, i = 0; if ( !is_object(child) || !is_object(child.parentNode) ) return false; for ( i = 0; i < child.parentNode.childNodes.length; i++ ) { if ( excludeTextNodes && child.parentNode.childNodes[i].nodeType == 3 ) continue; if ( child == child.parentNode.childNodes[i] ) return j; j++; } // for() return 0; } // getChildIndex() /** * Get all childNodes of given object that have nodeType = 1 * * @author R.J.T. de Vries * @param object obj object to get childNodes of. * @return array ret array of childNodes with nodeType=1 */ function getType1ChildNodes(obj) { var ret = []; if ( !is_object(obj) || !obj.childNodes.length ) return ret; for ( var i = 0; i < obj.childNodes.length; i++ ) { if ( obj.childNodes[i].nodeType == 1 ) ret[ret.length] = obj.childNodes[i]; } // for return ret; } // getType1ChildNodes() /** * Set the given value to the given style on all childNodes of the given * table row. * * Sometimes, a css style may not be applied to a TR tag (such as border), * so it has to be applied to each of the childNodes of the row. * * @author R.J.T. de Vries * @param object row DOM object representing table row (TR tag) * @param string attr css style to set on row (i.e. 'borderTop') * @param string value value for the given style * @return boolean true on success, false on failure */ function setRowStyleOnTDs(row, attr, value) { var cell, evalstr; if ( !is_object(row) || !row.style || !row.childNodes.length ) return false; for ( var i = 0; i < row.childNodes.length; i++ ) { cell = row.childNodes[i]; evalstr = 'cell.style.' + attr + '= "' + value + '";'; eval(evalstr); } } // setRowStyleOnTDs() /** * For some strange reason, when setting the 'class' property of an HTML * object via JavaScript, then IE only accepts 'className' as the name of * the attribute, whilst gecko only accepts 'class'. * * @author R.J.T. de Vries * @return string name of the attribute to use. */ function getClassName() { return isIE() ? 'className' : 'class'; } // getClassName() /** * Get horizontol scrolling of the window in pixels. * * @author R.J.T. de Vries * @return integer */ function getScrollX() { return document.all ? document.body.scrollLeft : window.scrollX; } // getScrollX() /** * Get vertical scrolling of the window in pixels. * * @author R.J.T. de Vries * @return integer */ function getScrollY() { return document.all ? document.body.scrollTop : window.scrollY; } // getScrollY() /** * Get vertical scrolling of the window in pixels. * * @author R.J.T. de Vries * @return integer */ function getScrollPosY() { // all except Explorer if ( self.pageYOffset ) { return self.pageYOffset; } // Explorer 6 Strict if ( document.documentElement && document.documentElement.scrollTop ) { return document.documentElement.scrollTop; } // all other Explorers if ( document.body ) { return document.body.scrollTop; } } // getScrollPosY() /** * Get the x position of the given dom object element. * * @author R.J.T. de Vries * @param object obj dom object to get x-pos for * @return integer x x-pos of given dom object */ function getPosX(obj) { var curleft = 0; if (obj.offsetParent) { while (obj.offsetParent) { curleft += obj.offsetLeft; obj = obj.offsetParent; } // while() } else if (obj.x) curleft += obj.x; return curleft; } // getPosX() /** * Get the y position of the given dom object element. * * @author R.J.T. de Vries * @param object obj dom object to get y-pos for * @return integer y y-pos of given dom object */ function getPosY(obj) { var curtop = 0; if (obj.offsetParent) { while (obj.offsetParent) { curtop += obj.offsetTop; obj = obj.offsetParent; } // while() } else if (obj.y) curtop += obj.y; return curtop; } // getPosY() /** * Return the width of given dom object * * @author R.J.T. de Vries * @param object domObj dom object to return width of * @return integer width of dom object */ function getWidth(domObj) { return parseInt(domObj.offsetWidth); } // getWidth() /** * Return the height of given dom object * * @author R.J.T. de Vries * @param object domObj dom object to return height of * @return integer height of dom object */ function getHeight(domObj) { if ( domObj.clientHeight ) return parseInt(domObj.clientHeight); return parseInt(domObj.offsetHeight); } // getHeight() /** * Get the width of the current browser window in pixels. * * @author R.J.T. de Vries * @return integer width of the window in pixels. * @access public */ function getWindowWidth() { var w = 0; if( typeof( window.innerWidth ) == 'number' ) { w = window.innerWidth; } else if ( document.documentElement && document.documentElement.clientWidth ) { w = document.documentElement.clientWidth; } else if ( document.body && document.body.clientWidth ) { w = document.body.clientWidth; } return parseInt(w); } // getWindowWidth() /** * Get the height of the current browser window in pixels. * * @author R.J.T. de Vries * @return integer height of the window in pixels. * @access public */ function getWindowHeight(win) { if ( !win ) win = window; var h = 0; if( typeof( win.innerHeight ) == 'number' ) { h = win.innerHeight; } else if ( win.document.documentElement && win.document.documentElement.clientHeight ) { h = win.document.documentElement.clientHeight; } else if ( win.document.body && win.document.body.clientHeight ) { h = win.document.body.clientHeight; } return parseInt(h); } // getWindowHeight() /** * Get the real distance from the given object to the left or topside * (direction) of the window. * * @author R.J.T. de Vries * @param object obj DOM object to get the real distance of. * @param integer x distance * @param string direction 'Left' for the distance to the left, * 'Top' for the distance to the top. * @return integer x distance found. */ function getRealDistance(obj, x, direction) { var extra = 0; if ( !eval('obj.offset' + direction) ) return x; try { eval ('extra = obj.offset' + direction); x += extra; try { return getRealDistance(obj.offsetParent, x, direction); } catch(f) { return x; } } catch(e) { return x; } } // getRealDistance() /** * Returns the top position of given element relative to the entire window. * * @param object el DOM element to get relative top position for. * @return integer y y position of given element. * @access public/private */ function getRelPosX(el) { var x = 0; while (el) { x += el.offsetLeft; el = el.offsetParent; } return x; } // getRelPosX() /** * Returns the top position of given element relative to the entire window. * * @param object el DOM element to get relative top position for. * @return integer y y position of given element. * @access public/private */ function getRelPosY(el) { var y = 0; while (el) { y += el.offsetTop; el = el.offsetParent; } return y; } // getRelPosY() /** * As there is only a document.getElementById function, there is not a * standard possibility to get a set of elements by their attribute-name. * * As such as function would be highly appropriate, I have decided to write * one myself. what it actually does is go through all the childNodes of the * 'element' given, and check whether the given attribute name has the given * attribute value for the current element object. If so, it is added to the * returnMe array. When no start-point (element) is given, we start at the * document.body element. * * @author R.J.T. de Vries * @param string attr name of the attribute to check. * @param mixed val value to check for. * @param object element element to start your search from. If not given, * this object defaults to document.body. * @param array returnMe array to add the found items to. * defaults to empty array. * @return array returnMe array with the items that were found. */ function getElementBy(attr, val, element, returnMe) { if (!i) i = 0; i++; if ( document.all && (val == 'true' || val == 'false') ) val = eval(val); if ( !element ) var element = document.body; if ( !returnMe ) var returnMe = new Array(); if ( element.getAttribute && element.getAttribute(attr) == val ) { returnMe[returnMe.length] = element; } if ( element.childNodes && element.childNodes.length ) { for ( var i = 0; i < element.childNodes.length; i++ ) { returnMe = getElementBy( attr, val, element.childNodes[i], returnMe); } // for() } return returnMe; } // getElementBy() /** * Because the getElementBy function is too slow for processing large amounts * of objects this function should save some time. * * It still returns items that match the given attribute criteria. This * function searches through a specified array of objects though. This could * be a collection of objects that were fetched by their tagName. Hopefully, * this makes the whole a little leaner. * * @author R.J.T. de Vries * @param string attr name of the attribute to check. * @param mixed val value to check for. * @param array arr array to search through. * @return array returnMe array with the items that were found. */ function getElementFromArrayBy(attr, val, arr) { if ( !arr.length ) return false; // IE uses boolean values different from Mozilla ... if ( document.all && (val == 'true' || val == 'false') ) val = eval(val); // Initiate the return array var returnMe = new Array(); // Iterate through the given array and check each object for the given // arguments. for ( var i = 0; i < arr.length; i++ ) { if ( arr[i].getAttribute && arr[i].getAttribute(attr) == val ) { returnMe[returnMe.length] = arr[i]; } } // for() if ( !returnMe.length ) return false; else return returnMe; } // getElementFromArrayBy() /** * Get elements by their attribute value. * * Taken from Gathering of Tweakers. This function may speed up the process * of finding DOM objects based on given attribute-name and value pair. * * @author R.J.T. de Vries * @param string attr name of the attribute to check. * @param mixed val value to check for. * @param string tag limit search to tags with this tagname. * @param object parent parent element from which to start search. * @return array r array of DOM objects found */ document.getElementsByAttribute = function(attr, val, tag, parent) { if ( !tag ) tag = '*'; var s = (parent || document).getElementsByTagName(tag), i = s.length, e, r = []; while ( i-- ) { e = s[i]; if ( e.getAttribute ) { // is val an array or a string/integer if (val instanceof Array) { if ( in_array(e.getAttribute(attr), val) ) r.push(e); } else { if ( attr == 'className' && e.className == val ) r.push(e); else if ( e.getAttribute(attr) == val ) r.push(e); } } } // while() return r; } // document.getElementsByAttribute() /** * Function to extend possibilities of standard getElementsByTagName function. * This function accepts a DOM element as first argument. That is the element * on which the getElementsByTagName function will executed. The second * argument is a string with tagnames, seperated by a pipe symbol. * * Please note that the getElementsByTagName function returns a special type * of array, called an HTMLCollection, which is read only. This function * combines several of those collections in a normal array. In that way, the * result of this function is somewhat different than the original function. * * The return value for this function is always an array, even if no elements * were found (in which case an empty array is returned). * * @param object parent dom element for which to get child-elements. * @param string tags tagnames, seperated by | (pipe symbol). * @return array array of elements found. * @access public/private */ function getElementsByTagNames(parent, tags) { var ret = [], // return array. els, // elements found for each of the tags in given tags arg. i, j; // iterators. if ( !is_object(parent) || !parent.getElementsByTagName ) return ret; tags = tags.split('|'); for ( i = 0; i < tags.length; i++ ) { els = parent.getElementsByTagName(tags[i]); for ( j = 0; j < els.length; j++ ) { ret[ret.length] = els[j]; } } return ret; } // getElementsByTagNames() /** * Add capitalize function to string prototype. * * @return string string with first letter in uppercase. */ String.prototype.capitalize = function(){ //v1.0 return this.replace(/\w+/g, function(a){ return a.charAt(0).toUpperCase() + a.substr(1).toLowerCase(); }); }; // String.prototype.capitalize() /** * Due to differences between Mozilla and IE, we use this function to get * the parentWindow property (IE) or defaultView property (Mozilla) for the * document on which this method is invoked. * * @author R.J.T. de Vries * @return object parentWindow/defaultView property * @access public */ document.getParentWindow = function() { if ( is_object(this.parentWindow) ) return this.parentWindow; if ( is_object(this.defaultView) ) return this.defaultView; return false; } // document.getParentWindow() function getParentWindow(doc) { if ( is_object(doc.parentWindow) ) return doc.parentWindow; if ( is_object(doc.defaultView) ) return doc.defaultView; return null; } // getParentWindow() /** * As versions of Explorer < 6.0 do not support the .ownerDocument property, * this function supplies a work-around for those explorer versions. * * @author R.J.T. de Vries * @param object obj object of which to get ownerDocument. * @return mixed false on failure, document object on success. */ function getOwnerDocument(obj) { if ( !is_object(obj) ) return false; else if ( !is_object(obj.ownerDocument) ) return obj.document; else return obj.ownerDocument; } // getOwnerDocument() /** * Get the document in the iframe with the given ID. * * @author R.J.T. de Vries * @param string frameId id of frame to return document of OR frame * element itself. * @return object document in the frame requested or false on * failure. */ function getFrameDocument(frameId) { var frame; if ( frameId.tagName && frameId.tagName.toLowerCase().indexOf('frame') != -1 ) { frame = frameId; } else { frame = document.getElementById(frameId); } if ( !is_object(frame) ) return false; if ( frame.contentWindow ) return frame.contentWindow.document; else return frame.document; } // getFrameDocument() /** * Alias for getFrameDocument * * @author R.J.T. de Vries * @see getFrameDocument() */ function getIFrameDocument(frameId) { return getFrameDocument(frameId); } // getIFrameDocument() /** * Get the window in the iframe with the given ID. * * @author R.J.T. de Vries * @param string aID id of the iframe that we want the window of. * @return object window object in the iframe requested. */ function getFrameWindow(frameId) { var frame; if ( frameId.tagName && frameId.tagName.toLowerCase().indexOf('frame') != -1 ) { frame = frameId; } else { frame = document.getElementById(frameId); } if ( is_object(frame) ) return frame.contentWindow; } // getFrameWindow() /** * Get the frame DOM object (tag) of the current window. * * @author R.J.T. de Vries * @return object DOM object for current frame/iframe tag. */ function getFrameTag() { return this.frameElement; } // getFrameTag() /** * Get the value of an attribute that was set on the frame or iframe tag * that forms the basis of this document. * * @author R.J.T. de Vries * @param string attr attribute name * @return mixed value of attribute or false on failure */ function getFrameAttribute(attr) { if ( !is_object( getFrameTag() ) ) return; return getFrameTag().getAttribute(attr); } // getFrameAttribute() /** * Is the given frame operation allowed, based on what was set in the * frame tag? * * @author R.J.T. de Vries * @param string attr attribute to check * @return boolean true if allowed, false if not */ function isAllowed(attr) { var operation = getFrameAttribute(attr); if ( !is_object(operation) || !operation || !operation.toLowerCase ) return false; return ( operation.toLowerCase() != 'yes' ) ? false : true; } // isAllowed() /** * Get the highest window in the order of windows. * * @author R.J.T. de Vries * @return object toplevel-window */ function getToplevelWindow() { var win = window; while ( win != win.parent && is_object(win.parent) ) { win = win.parent; } return win; } // getToplevelWindow() /** * Return number of seconds and milliseconds as a float for current date. * * @author R.J.T. de Vries * @return float epoch time, including milliseconds */ function microtime() { var d = new Date; return d.getTime(); } // microtime() /** * Sleep for given number of milliseconds. * * @param integer msecs * @return void */ function sleep(msecs) { var start, end; start = microtime(); while ( microtime() - start < msecs ) { } return; } // sleep() /** * A general function for some browser-checks. There are also some specific * browser-checks, which use this function as there 'big daddy'. * * @author R.J.T. de Vries * @param string what What do you want to know about the browser? * @return boolean true if the navigator IS what, false if NOT * @access public */ function navChk(what) { switch ( what.toUpperCase() ) { case 'MAC': return (navigator.appVersion.indexOf("Mac")!=-1) ? true : false; case 'IEMAC': return ((document.all)&&(isMac)) ? true : false; case 'IE4': return ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false; case 'IE5': return ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false; case 'IE6': return ((document.all)&&(navigator.appVersion.indexOf("MSIE 6.")!=-1)) ? true : false; case 'IE7': return ((document.all)&&(navigator.appVersion.indexOf("MSIE 7.")!=-1)) ? true : false; default: return false; } // switch() } // navChk() /** * Is the current browser Internet Explorer with a version of 'v' or higher? * * @author R.J.T. de Vries * @param integer v The minimum version number of IE that we want. * @return boolean true if current browser IS IEv+, false if not. * @see this.navChk() * @access public */ function isIE(v) { if ( !v ) var v = 5; switch (v) { case 4: return ( this.navChk('IE4') || this.navChk('IE5') || this.navChk('IE6') || this.navChk('IE7') ); case 5: return ( this.navChk('IE5') || this.navChk('IE6') ) || this.navChk('IE7'); case 6: return ( this.navChk('IE6') ); default: return false; } // switch() } // isIE() /** * Get the CSS rule with the identifier that matches the classname given. * * @author R.J.T. de Vries * @param string classname name of identifier to look for * @return mixed cssRule object if found or false on failure */ function getCssRule(classname) { if ( !document.styleSheets ) return false; for ( var i = 0; i < document.styleSheets.length; i++ ) { var rules = new Array(); if ( document.styleSheets[i].cssRules ) rules = document.styleSheets[i].cssRules; else if (document.styleSheets[i].rules) rules = document.styleSheets[i].rules; else continue; for ( var j = 0; j < rules.length; j++ ) { if ( rules[j].selectorText.toLowerCase().indexOf(classname.toLowerCase()) != -1 ) return rules[j]; } } return false; } // getCssRule() /** * open a new window with given options * * @author R.J.T. de Vries * @param string url url to load in new window * @param integer w width of new window * @param integer h height of new window * @param string winname name of new window * @return void */ function newwin(url, w, h, winname, scrollbars, resizable, menubar) { if ( !scrollbars ) scrollbars = 'yes'; if ( !resizable ) resizable = 'yes'; menubar = !menubar ? 'no' : 'yes'; if ( !winname ) { var d = new Date; winname = 'newwin_' + d.getTime(); } xpos = (screen.availWidth - w) / 2; ypos = (screen.availHeight - h) / 2; winprops = "toolbar=no,location=no,directories=no,status=yes"; winprops += ",menubar="+menubar+",scrollbars="+scrollbars; winprops += ",resizable="+resizable+",width="+w+",height="+h; winprops += ",left="+xpos+",top="+ypos; var win = window.open(url, winname, winprops); if ( !is_object(win) ) { var str = "Het nieuwe venster kon niet worden geopend.\n\n"; str += "Waarschijnlijk is het nieuwe venster geblokkeerd door een\n"; str += "'pop-up blocker'.\n\n"; str += "Stel uw 'pop-up blocker' zo in, dat deze het openen van\n"; str += "nieuwe vensters voor deze pagina toestaat."; alert(str); } else { win.focus(); } return win; } // newwin() /** * Called on change event in TextArea. Makes sure that the maximum number of * characters in the textarea do not exceed the given limit. * * @author R.J.T. de Vries * @param object area textarea to which limit applies. * @param integer len maximum number of characters in textarea. * @return void * @access public */ function checkMaxLength(area, len) { if ( area.value.length > len ) { area.value = area.value.substr(0, len); } } // checkMaxLength() /** * Include a new javascript tag in the document body * * @author R.J.T. de Vries * @param string scriptsrc location of the script to load * @return boolean true on success, false on failure */ function includeJS(id, scriptsrc) { var oldscript = document.getElementById(id); newscript = document.createElement('script'); newscript.setAttribute('type', 'text/javascript'); newscript.id = id; if ( is_object(oldscript) ) { oldscript.parentNode.replaceChild(newscript, oldscript); } else { document.body.appendChild(newscript); } newscript.setAttribute('src', scriptsrc); } // includeJS() //------------------------------------------------- // End of function-set cms.functions.js //-------------------------------------------------