/* DLlib.js : A library of useful Javascript-functions. Copyright (c) 2005, Daniel Löfquist All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * The names of its contributors may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ---------------------------------------------------------- General functions: setFocus, emailVal, getQueryString, makeGMT, setCookie, getCookie, delCookie, formValidator, preLoader Shoppingcart-functions: addItem, editItem, removeItem, emptyCart, itemsInCart, checkCart */ function setFocus(setWhatObj) { //function used to give a field in a form focus //use document.getElementById(setWhatObj).focus(); } function emailVal(emailStr) { //returns true if emailStr follows syntax x@x.x //otherwise function returns false var snabelpos=emailStr.indexOf("@"); var revsnabelpos=emailStr.lastIndexOf("@"); var revpunktpos=emailStr.lastIndexOf("."); if((snabelpos<1)||((revpunktpos-revsnabelpos)<2)) {return false;}else{return true;} } function getQueryString(key) { //returns value of key var valueStr; var searchStr; key=(key+"="); var fullQString=window.location.search.substring(1); var fullQLengthInt=fullQString.length; var keyLengthInt=key.length; var keyPosInt=fullQString.indexOf(key); if(!(keyPosInt==-1)) { var startLengthInt=(keyPosInt+keyLengthInt); searchStr=fullQString.substring(startLengthInt); andPosInt=searchStr.indexOf("&"); if(andPosInt==-1) { valueStr=searchStr; }else{ valueStr=searchStr.substring(0, (andPosInt)); } }else{ valueStr="**Requested key not found in querystring**"; } return(valueStr); } function makeGMT(datum) { //datum = 'YYYY-MM-DD HH:mm:ss' //returns a correct GMT-date var newDate=new Date(); var dateStr, timeStr; var firstSplit=datum.split(' '); dateStr=firstSplit[0];timeStr=firstSplit[1]; var dateArr=dateStr.split('-');var timeArr=timeStr.split(':'); newDate.setYear(dateArr[0]);newDate.setMonth(dateArr[1]-1); newDate.setDate(dateArr[2]);newDate.setHours(timeArr[0]); newDate.setMinutes(timeArr[1]);newDate.setSeconds(timeArr[2]); return(newDate.toGMTString()); } function setCookie(name, value, expires) { //sets a cookie named 'name' with the value of 'value' and expiry-date 'expires' //'expires' must be a correct GMT-date, use makeGMT()-function var cookieStr; cookieStr=name+"="+escape(value)+"; expires="+expires; document.cookie=cookieStr; } function getCookie(name) { //returns value of cookie 'name' var valueStr; var cookieStr=document.cookie; name=name+"=";nameLength=name.length; var valuePos=cookieStr.indexOf(name); if(!(valuePos==-1)) { var startLength=(valuePos+nameLength); searchStr=cookieStr.substring(startLength); semicPos=searchStr.indexOf(";"); if(semicPos==-1) { valueStr=searchStr; }else{ valueStr=searchStr.substring(0, (semicPos)); } }else{ valueStr="FALSE"; } return(unescape(valueStr)); } function delCookie(name) { //deletes cookie 'name' var cookieStr; cookieStr=name+"="+"; expires=Thu, 1 Jan 1970 11:00:00 UTC;"; document.cookie=cookieStr; } function formValidator() { //Validates form-input. //If any field in the form is empty the form will not be submitted. //If the first argument is a field named 'email' that field will be validated //with the emailVal()-function. if(formValidator.arguments.length>0) { var argArr=formValidator.arguments; var argc=argArr.length; var inputOK=true; var argStr; //alert(argc); for(var i=0;i0) { redirURL=where; self.setTimeout("self.location.href = redirURL;",0); }else{ alert("The shopping cart is empty!"); } }