//---------------------------------EMail Check ------------------------------------ /* checks the validity of an email address entered * returns true or false * */ function validateEmail(email) { // a very simple email validation checking. // you can add more complex email checking if it helps var splitted = email.match("^(.+)@(.+)$"); if(splitted == null) return false; if(splitted[1] != null ) { var regexp_user=/^\"?[\w-_\.]*\"?$/; if(splitted[1].match(regexp_user) == null) return false; } if(splitted[2] != null) { var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/; if(splitted[2].match(regexp_domain) == null) { var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/; if(splitted[2].match(regexp_ip) == null) return false; }// if return true; } return false; } /* function validateData * Checks each field in a form * Called from validateForm function */ function validateData(strValidateStr,objValue,strError) { var epos = strValidateStr.search("="); var command = ""; var cmdvalue = ""; if(epos >= 0) { command = strValidateStr.substring(0,epos); cmdvalue = strValidateStr.substr(epos+1); } else { command = strValidateStr; } switch(command) { case "req": case "required": { if(eval(objValue.value.length) == 0) { if(!strError || strError.length ==0) { strError = objValue.name + " : Required Field"; }//if alert(strError); return false; }//if break; }//case required case "maxlength": case "maxlen": { if(eval(objValue.value.length) > eval(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name + " : "+cmdvalue+" characters maximum "; }//if alert(strError + "\n[Lunghezza attuale = " + objValue.value.length + " ]"); return false; }//if break; }//case maxlen case "minlength": case "minlen": { if(eval(objValue.value.length) < eval(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name + " : " + cmdvalue + " characters minimum "; }//if alert(strError + "\n[Lunghezza attuale = " + objValue.value.length + " ]"); return false; }//if break; }//case minlen case "alnum": case "alphanumeric": { var charpos = objValue.value.search("[^A-Za-z0-9]"); if(objValue.value.length > 0 && charpos >= 0) { if(!strError || strError.length ==0) { strError = objValue.name+": Only alpha-numeric characters allowed "; }//if alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); return false; }//if break; }//case alphanumeric case "num": case "numeric": { var charpos = objValue.value.search("[^0-9]"); if(objValue.value.length > 0 && charpos >= 0) { if(!strError || strError.length ==0) { strError = objValue.name+": Only digits allowed "; }//if alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); return false; }//if break; }//numeric case "alphabetic": case "alpha": { var charpos = objValue.value.search("[^A-Za-z]"); if(objValue.value.length > 0 && charpos >= 0) { if(!strError || strError.length ==0) { strError = objValue.name+": Only alphabetic characters allowed "; }//if alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); return false; }//if break; }//alpha case "alnumhyphen": { var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); if(objValue.value.length > 0 && charpos >= 0) { if(!strError || strError.length ==0) { strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; }//if alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); return false; }//if break; } case "email": { if(!validateEmail(objValue.value)) { if(!strError || strError.length ==0) { strError = objValue.name+": Enter a valid Email address "; }//if alert(strError); return false; }//if break; }//case email case "lt": case "lessthan": { if(isNaN(objValue.value)) { alert(objValue.name+": Should be a number "); return false; }//if if(eval(objValue.value) >= eval(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name + " : value should be less than "+ cmdvalue; }//if alert(strError); return false; }//if break; }//case lessthan case "gt": case "greaterthan": { if(isNaN(objValue.value)) { alert(objValue.name+": Should be a number "); return false; }//if if(eval(objValue.value) <= eval(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name + " : value should be greater than "+ cmdvalue; }//if alert(strError); return false; }//if break; }//case greaterthan case "regexp": { if(!objValue.value.match(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name+": Invalid characters found "; }//if alert(strError); return false; }//if break; }//case regexp case "dontselect": { if(objValue.selectedIndex == null) { alert("BUG: dontselect command for non-select Item"); return false; } if(objValue.selectedIndex == eval(cmdvalue)) { if(!strError || strError.length ==0) { strError = objValue.name+": Please Select one option "; }//if alert(strError); return false; } break; }//case dontselect }//switch return true; } /* * function validateForm * the function that can be used to validate any form * returns false if the validation fails; true if success * arguments : * objFrm : the form object * arrObjDesc : an array of objects describing the validations to conduct on each * input item. * The array should consist of one object per input item in the order the input * elements are present in the form. Each object consist of zero or more validation * objects. Each of these validation object is a pair consisting of the validation * descriptor string and an optional Error message. */ function validateForm(objFrm,arrObjDesc) { for(var itrobj=0; itrobj < arrObjDesc.length; itrobj++) { if(objFrm.elements.length <= itrobj) { alert("BUG: Obj descriptor for a non existent form element"); return false; }//if for(var itrdesc=0; itrdesc < arrObjDesc[itrobj].length ;itrdesc++) { if(validateData(arrObjDesc[itrobj][itrdesc][0], objFrm[itrobj],arrObjDesc[itrobj][itrdesc][1]) == false) { objFrm[itrobj].focus(); return false; }//if }//for }//for if (!objFrm.consenso.checked){ alert("Devi accettare le condizioni sulla Privacy di Alley5.com") objFrm.consenso.focus(); return false } return true; } function cerca(form){ var form = document.getElementById(form); var testo = form.testo.value.replace("/","+"); if(testo.length < 3) { window.alert('Inserisci almeno 3 caratteri nel campo di ricerca'); return false; } else { form.action='/search_' + testo + '.html'; return true; } } function cerca2(testo){ if(testo.length > 1) { document.location='/search_' + testo + '.html'; } } function finestra(url,nome,opzioni) { window.open(url,nome,opzioni); } var bookmarkurl="http://www.alley5.com" var bookmarktitle="Alley5.com - Sunglasses & Eyeglasses worldwide" function bookmark(){ if (document.all) window.external.AddFavorite(bookmarkurl,bookmarktitle) } function finestraa(url,par) { var w = window.open (url, "finestra", par); }