Ecco il codice javascript
function $$(id) { try { var tmp = document.getElementById(id).value; } catch(e) { alert("Field " + id + " does not exist!\nvalidation is configured on a field with no ID"); return false; } if(tmp == "") { alert("Field " + id + " cannot be empty"); return false; } return tmp; } var required = { field : [], add : function(name, type) { this.field[this.field.length] = [name,type]; }, out : function() { return this.field; } } var validate = { check : function() { var tmp; // loop all required fields for(var i=0; i<required.field.length; i++) { // check the form field exists this.tmp = $$(required.field*[0]); if(this.tmp) { if(this.checkit(required.field*[0],required.field*[1])) { // validated okay } else { alert("Field "+required.field*[0]+" not valid\n"); document.getElementById(required.field*[0]).focus(); return false; } } else { try { document.getElementById(required.field*[0]).focus(); } catch(e) { } return false; } } // for return true; }, checkit : function(value,type) { exp : ''; switch(type) { case "NOT_EMPTY": if(this.trim($$(value)).length < 1) { return false; } else { return true; } break; case "ALPHA": exp = /^[A-Za-z]+$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "ALPHASPACE": exp = /^[A-Za-z ]+$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "NUMERIC": exp = /^[0-9]+$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "NUMERICPLUS": exp = /(^-*\d+$)|(^-*\d+\.\d+$)/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "ALPHANUM": exp = /^[a-zA-Z0-9]+$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "ALPHANUMSPACE": exp = /^[a-zA-Z0-9 ]+$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "EMAIL": exp = /^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "YYYYMMDD": exp = /^(19|20)[0-9][0-9][- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "DDMMYYYY": exp = /^(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)[0-9][0-9]$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; case "MMDDYYYY": exp = /^(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.](19|20)[0-9][0-9]$/; if($$(value).match(exp)==null) { return false; } else { return true; } break; default: exp = new RegExp(type); if($$(value).match(exp)==null) { return false; } else { return true; } } // switch }, trim : function(s) { return s.replace(/^\s+/, '').replace(/\s+$/, ''); } } function $val(id) { return document.getElementById(id); } function trim(id) { $val(id).value = $val(id).value.replace(/^\s+/, '').replace(/\s+$/, ''); }- Home
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