// Created By Shallu, 13/04/2001 // last modified, 20/04/2001 // // USAGE INFORMATION : // ******************* // ----------------------------------------------------------------------------- // Include the .js file in the HEAD of your main document // // // FUNCTIONS TO BE CALLED IN THE BEGINNING OF THE PAGE. i.e onLoad // ***************************************************************************** // ----------------------------------------------------------------------------- // I. setFormName(Param) - // Param = name of your form // // II. addvalidation (Param1,Param2) - // Param1 = Tag Name of the field or set of Fields to be validated // Param2 = Is is set of 8 different parameters // NOTE: String values must be passed withing single quotes in param2 // // n = name of the input field (Required) // type = string, num, email (Required) // HTMLName= name associated with the field that is displayed in case of error // min = the value must have at least [min] characters (Optional) // max = the value must have maximum [max] characters (Optional) // lrange = minimum numeric value the field must contain (Optional) // hrange = maximum numeric value the field must contain (Optional) // d = (Optional) // E.g // addvalidation("fruit1","'field1', 'num', 'Apple', null,null, 0, 10") // -Param1- ----------------- Param2--------------- // ----------------------------------------------------------------------------- // // For Validating each field onBlur : // ********************************** // Call the function validate(Param) // Param - Name of the set of fields // If the field belongs to a group & is not to be validated onblur then call // the function noValidate() // ----------------------------------------------------------------------------- // // For Validating the full form onSubmit : // *************************************** // Call the function validateForm()& return returnVal // ----------------------------------------------------------------------------- // // for example : // // // //
// APPLE :
// Cherry:

// Melon:

//
// // ******************************************************************************* ////////////////////////////////////////////////////////////////////////////////// var SubmitButtonPressed = false; var formName = ""; var strFieldname = ""; var performFieldValidation = true; var SubmitButtonPressed = false; var checkObjects = new Array(); var fields = new Array(); var values = new Array(); var errors = ""; var returnVal = false; var language = new Array(); language["header"] = "The following error(s) occured:" language["start"] = "->"; language["field"] = " Field "; language["require"] = " is required"; language["and"] = " and "; language["min"] = " must consist of at least "; language["max"] = " must not contain more than "; language["minmax"] = " no more than "; language["chars"] = " characters"; language["num"] = " must contain a number"; language["date"] = " must contain Date in the format dd/mm/yyyy"; language["which"] = " which is"; language["hrange"] = " less than "; language["lrange"] = " greater than "; language["email"] = " must contain a valid e-mail address"; function setFormName(strFormName) { formName = strFormName; } function addvalidation(tagName,def) { fields[eval(fields.length)]= tagName; values[eval(values.length)]= def; } function define(n, type, HTMLname, min, max, lrange, hrange, d) { var p; var i; var x; if (!d) d = document; if ((p=n.indexOf("?"))>0&&parent.frames.length) {d = parent.frames[n.substring(p+1)].document; n = n.substring(0,p); } if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) {x = d.forms[i][n]; } for (i = 0; !x && d.layers && i < d.layers.length; i++) {x = define(n, type, HTMLname, min, max, lrange, hrange, d.layers[i].document); return x; } eval("V_"+n+" = new formResult(x, type, HTMLname, min, max, lrange, hrange);"); checkObjects[eval(checkObjects.length)] = eval("V_"+n); } function formResult(form, type, HTMLname, min, max, lrange, hrange) { this.form = form; this.type = type; this.HTMLname = HTMLname; this.min = min; this.max = max; this.lrange = lrange; this.hrange = hrange; } function noValidate() { performFieldValidation = true; // SubmitButtonPressed = false; } function validateForm() { SubmitButtonPressed=true; for(i=0;i 0) { errorObject = ""; for (i = 0; i < checkObjects.length; i++) { validateObject = new Object(); validateObject.form = checkObjects[i].form; validateObject.HTMLname = checkObjects[i].HTMLname; validateObject.val = checkObjects[i].form.value; validateObject.len = checkObjects[i].form.value.length; validateObject.min = checkObjects[i].min; validateObject.max = checkObjects[i].max; validateObject.type = checkObjects[i].type; validateObject.lrange = checkObjects[i].lrange; validateObject.hrange = checkObjects[i].hrange; if (validateObject.type == "num" ) { if (!isNaN(validateObject.val)) { if ((validateObject.min != null && validateObject.max != null) && ( validateObject.len < validateObject.min || validateObject.len > validateObject.max)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['and'] + language['min'] + validateObject.min + language['and'] + language['minmax'] + validateObject.max + language['chars'] +"\n"; if ((validateObject.lrange != null && validateObject.hrange != null) && ((validateObject.val < validateObject.lrange) || (validateObject.val > validateObject.hrange))) {errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + language['and'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange == null && validateObject.hrange != null) && (validateObject.val > validateObject.hrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange != null && validateObject.hrange == null) && (validateObject.val < validateObject.lrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + "\n";} } if ((validateObject.min != null && validateObject.max == null) && ( validateObject.len < validateObject.min )) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['and'] + language['min'] + validateObject.min + language['chars']+ "\n"; if ((validateObject.lrange != null && validateObject.hrange != null) && ((validateObject.val < validateObject.lrange) || (validateObject.val > validateObject.hrange))) {errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + language['and'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange == null && validateObject.hrange != null) && (validateObject.val > validateObject.hrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange != null && validateObject.hrange == null) && (validateObject.val < validateObject.lrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + "\n";} } if ((validateObject.min == null && validateObject.max != null) && ( validateObject.len > validateObject.max )) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['minmax'] + validateObject.max + language['chars'] +"\n"; if ((validateObject.lrange != null && validateObject.hrange != null) && ((validateObject.val < validateObject.lrange) || (validateObject.val > validateObject.hrange))) {errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + language['and'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange == null && validateObject.hrange != null) && (validateObject.val > validateObject.hrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange != null && validateObject.hrange == null) && (validateObject.val < validateObject.lrange)) { errors = errors.substring(0,errors.length-2) + language['which'] + language['lrange'] + validateObject.lrange + "\n";} } if (validateObject.min == null && validateObject.len > 0) { if ((validateObject.lrange != null && validateObject.hrange != null) && ((validateObject.val < validateObject.lrange) || (validateObject.val > validateObject.hrange))) {errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['lrange'] + validateObject.lrange + language['and'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange == null && validateObject.hrange != null) && (validateObject.val > validateObject.hrange)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['hrange'] + validateObject.hrange + "\n";} if ((validateObject.lrange != null && validateObject.hrange == null) && (validateObject.val < validateObject.lrange)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + language['lrange'] + validateObject.lrange + "\n";} } }else {errors += language['start'] + language['field'] + validateObject.HTMLname + language['num'] + "\n";} } else if (validateObject.type == "string") { if ((validateObject.min != null && validateObject.max != null) && (validateObject.len < validateObject.min || validateObject.len > validateObject.max)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['min'] + validateObject.min + language['and'] + language['minmax'] + validateObject.max+language['chars'] + "\n";} if ((validateObject.min == null && validateObject.max != null) && (validateObject.len > validateObject.max)) {errors += language['start'] + language['field'] + validateObject.HTMLname + language['max'] + validateObject.max + language['chars'] + "\n";} if (validateObject.val == '') {errors += language['start'] + validateObject.HTMLname + language['require'] + "\n";} if (validateObject.val == '00' || validateObject.val == '0' || validateObject.val == '0000') {errors += language['start'] + validateObject.HTMLname + language['require'] + "\n";} if ((validateObject.min != null && validateObject.max == null) && (validateObject.len < validateObject.min)) {errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['min'] + validateObject.min + language['chars'] + "\n";} } else if (validateObject.type == "email"){ // checking , shuld not be there in email address, only single address // Checking existense of "@" and ".". // Length of must >= 5 and the "." must // not directly precede or follow the "@" if (!(validateObject.val.indexOf(" and ") == -1) || !(validateObject.val.indexOf(",") == -1) || !(validateObject.val.indexOf("www.") == -1) || (validateObject.val.indexOf("@") == -1) || (validateObject.val.charAt(0) == ".") || (validateObject.val.charAt(0) == "@") || (validateObject.len < 6) || (validateObject.val.indexOf(".") == -1) || (validateObject.val.charAt(validateObject.val.indexOf("@")+1) == ".") || (validateObject.val.charAt(validateObject.val.indexOf("@")-1) == ".")){ errors += language['start'] + validateObject.HTMLname + language['email'] + "\n"; } } else if (validateObject.type == "date") {if (validateObject.min != null) { while(validateObject.val.charAt(validateObject.len-1)==' ') validateObject.val = validateObject.val.substring(0,validateObject.len-1); var dtmp=''; var z=''; for (var x=0; x < validateObject.len; x++) { z=validateObject.val.charAt(x); if (z>=0 && z<=9) { dtmp+=z; } else dtmp+='/'; } if (dtmp.charAt(1)=='/') dtmp='0'+dtmp; if (dtmp.charAt(4)=='/') dtmp=dtmp.substring(0,3)+'0'+dtmp.substring(3,dtmp.length); // alert ('>'+dtmp+'<'); // alert (dtmp.length); if (dtmp.length==8) { tyear=dtmp.substring(6,8); // alert(tyear) if (tyear<31) { dtmp=dtmp.substring(0,6)+'20'+tyear } else { dtmp=dtmp.substring(0,6)+'19'+tyear; } } var a=dtmp var err=0 var psj=0; if (a.length != 10) err=1 var b = a.substring(0, 2)// day var c = a.substring(2, 3)// '/' var d = a.substring(3, 5)// month var e = a.substring(5, 6)// '/' var f = a.substring(6, 10)// year // basic error checking if (d<1 || d>12) err = 1 if (c != '/') err = 1 if (b<1 || b>31) err = 1 if (e != '/') err = 1 if (f<1900 || f>2099) err = 1 // advanced error checking // months with 30 days if (d==4 || d==6 || d==9 || d==11){ if (b==31) err=1 } // february, leap year if (d==2){ // feb var g=parseInt(f/4) if (isNaN(g)){ err=1 } if (b>29) err=1 if (b==29 && ((f/4)!=parseInt(f/4))) err=1 } fieldName = validateObject.form.name; eval("document."+formName+"."+fieldName+".value='"+dtmp+"'") if (err==1){ errors +=language['start'] + validateObject.HTMLname + language['require'] + language['and'] + language['date'] + "\n"; } } } if ((errors) && (errorField == "")) { errorField = validateObject.form.name; } }// end of FOR loop }// end of first IF condition if (errors) { alert(language["header"].concat("\n" + errors)); // SubmitButtonPressed = false; performFieldValidation = false; if(strTag != null) { eval("document."+formName+"."+errorField+".focus()") } errors = ""; returnVal = false; } else {returnVal = true; performFieldValidation = true; } checkObjects = new Array(); SubmitButtonPressed = false; }