/**************************************************************************** * | Important Note: * | This source code belongs to Active Ice CC and forms part of * | the Retained Copyright governed by the terms and conditions * | of service located at http://activeice.co.za/terms/ * | Reuse of this entire file and/or it's scripts without * | permission from Active Ice CC is prohibited * | * | ai_lib.js general functions * | created: 20 Mar 2007 * | updated: 25 Mar 2007 */ /** * Get elements value * @param id : object id * @return string */ function gv(id) { return ( o = get_obj(id) ) ? o.value : ''; } /** * Return element as Object * @param id : object id * @return object */ function get_obj(id) { if ( document.getElementById(id) ) { return document.getElementById(id); } alert('Element "' + id + '" not found'); return false; } /** * Get CSS for element * @param id : object id * @return object */ function get_css(id) { if ( o = get_obj(id) ) return o.style; } /** * Replace HTML within element * @param id : object id * @param html : string * @return void */ function add_html(id,html) { if ( o = get_obj(id) ) o.innerHTML = html; } /** * Rollover function * @param name : object id * @param img : string * Usage : swap_img(this,'/images/newimage.jpg') * @return void */ function swap_img(id,img) { if ( o = get_obj(id) ) o.src = img; } /** * Rollover function which switches to 'on' state * Dependant on correct naming convention * @param e : element * Usage : do_over('imageelementname') * @return void */ function do_over(e) { if ( document.images ) document.images[e].src = eval(e + 'on.src'); } /** * Rollover function which switches to 'off' state * Dependant on correct naming convention * @param e : element * Usage : do_out('imageelementname') * @return void */ function do_out(e) { if ( document.images ) document.images[e].src = eval(e + 'off.src'); } /** * Removes leading zero * @param s : string * @return string */ function strip_zero(s) { return ( s.indexOf('0') == 0 ) ? s.replace('0','') : s; } /** * Validate email address using regular expression * @param addr : string * @return bool */ function valid_email(addr) { var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/; //var regex = /^([\w]+)(.[\w]+)*@([\w]+)(.[\w]{2,3}){1,2}$/; if ( !regex.test(addr) ) { alert("Invalid email address"); return false; } return true; } /** * Show/Hide a single element * @param name : object id * @return bool */ function show_hide(id) { if ( o = get_obj(id) ) o.style.display = ( o.style.display == '' || o.style.display == 'block' ) ? 'none' : 'block'; } /** * Change background colour of element * @param name : object id * @return void */ function row_over(o,hex) { o.style.background="#" + hex; } /** * Change background colour of element * @param name : object id * @return void */ function row_out(o,hex) { o.style.background="#" + hex; } /** * Redirect to url * @param url : string * @return void */ function go_url(url) { if ( url.length > 0 ) window.location.href = url; } /** * Redirect to url based on dropdown value * @param o : object [select box] * @return void */ function dd_go_url(o) { if ( o ) go_url(o.options[o.selectedIndex].value); } /** * Replace large image with new path * @param large : element name * @param path : string * @return void */ function load_img(large,path) { eval('document.' + large + '.src = (document.' + large + ') ? path : alert("Large image not found");'); } /** * Y2K bug correction * @param year : integer * @return integer */ function y2k(year) { return (year < 1000) ? year + 1900 : year; } /** * Checks if a date is valid * @param d, m, y: integer * @return bool */ function is_date(d,m,y) { var today = new Date(); y = ( ( !y ) ? y2k( today.getYear() ) : y ); m = ( ( !m ) ? today.getMonth() : m-1 ); if ( !d ) return false; var test = new Date(y,m,d); if ( ( y2k( test.getYear() ) == y ) && ( m == test.getMonth() ) && ( d == test.getDate() ) ) return true; return false; } /** * Returns days in current month * @param year, month : integer * @return integer */ function days_in_month(year, month) { return 32 - new Date(year, month, 32).getDate(); } /** * Ensures arrival date is before departure * a_ = arrival, d_ = departure * @param a_d, a_m, a_y, d_d, d_m, d_y : integer * @return bool */ function valid_daterange(a_d,a_m,a_y,d_d,d_m,d_y) { a_m = a_m - 1; d_m = d_m - 1; var sys_date = new Date(); var today = new Date(y2k(sys_date.getYear()),sys_date.getMonth(),sys_date.getDate()); var arrival_date = new Date(a_y,a_m,a_d); var departure_date = new Date(d_y,d_m,d_d); if ( arrival_date < today ) { alert("Your arrival date is before today"); return false; } if ( departure_date < today ) { alert("Your departure is before today"); return false; } if ( departure_date < arrival_date ) { alert("Your departure date is before arrival date"); return false; } if ( arrival_date + '' == departure_date + '' ) { alert("Arrival and departure dates are the same"); return false; } return true; } /** * Bookmarks URL with Title * @param title, url : string * @return void */ function bookmark(title,url) { if ( window.sidebar ) { window.sidebar.addPanel( title, url, '' ); } else if ( document.all ) { window.external.AddFavorite( url, title ); } else if ( window.opera && window.print ) { return true; } } /** * Launch popup window * @param url : string * @param w, h : integer * @return void */ function pop(url,w,h) { var popwin = window.open(url,'','width='+w+',height='+h+',location=no,menubar=no,scrollbars=no,toolbar=no,resizable=no'); //popwin.focus(); } /** * Prints the current page * @param none * @return void */ function print_page() { var bv = parseInt( navigator.appVersion ); if ( bv >= 4 ) window.print(); } /** * Returns GET variable in url * @param k : string [var name in querystring .html?[name]=123] * @return string */ function querystring(k) { var page = new page_query( window.location.search ); return unescape(page.get_value(k)); } /** * Helper function for querystring(k) above * @param q : string [eg. ?q=devmo&m=news&id=3] * @return string */ function page_query(q) { if ( q.length > 1 ) this.q = q.substring(1, q.length); else this.q = null; this.key_value_pairs = new Array(); if (q) { for ( var i=0; i < this.q.split("&").length; i++ ) { this.key_value_pairs[i] = this.q.split("&")[i]; } } this.get_key_value_pairs = function() { return this.key_value_pairs; } this.get_value = function(s) { for( var j = 0; j < this.key_value_pairs.length; j++) { if ( this.key_value_pairs[j].split("=")[0] == s ) return this.key_value_pairs[j].split("=")[1]; } return false; } this.get_parameters = function() { var a = new Array( this.get_length() ); for ( var j = 0; j < this.key_value_pairs.length; j++ ) { a[j] = this.key_value_pairs[j].split("=")[0]; } return a; } this.get_length = function() { return this.key_value_pairs.length; } } function doProfile(id,selected) { if (document.getElementById) { // sort out the right thing to display for ( var i = 0; i < 4; i++ ) { // hide all document.getElementById('content_' + i).style.display = 'none'; } // show one with ID document.getElementById('content_' + id).style.display = 'block'; // get all links inside the right column var nav_box = document.getElementById("map-navigation"); var links = nav_box.getElementsByTagName("a"); // set all the links classes to nothing for(var i=0; i