document.write('');
document.write('
');
document.write('
');
document.write('
');
document.write('
');
document.write('
CAPTCHA:');
document.write('
');
document.write('
');
document.write('
');
document.write('
');
document.write('
');
document.write('
');
document.write('');
document.write('function checkform(theform){');
document.write('var why = "";');
document.write('if(theform.CaptchaInput.value == ""){');
document.write('why += "INGRESE EL CODIGO CAPTCHA!";');
document.write('}');
document.write('if(theform.CaptchaInput.value != ""){');
document.write('if(ValidCaptcha(theform.CaptchaInput.value) == false){');
document.write('why += "EL CODIGO CAPTCHA ES INCORRECTO";');
document.write('}');
document.write('}');
document.write('if(why != ""){');
document.write('alert(why);');
document.write('return false;');
document.write('}');
document.write('}');
document.write('var a = Math.ceil(Math.random() * 9)+ \'\';');
document.write('var b = Math.ceil(Math.random() * 9)+ \'\';');
document.write('var c = Math.ceil(Math.random() * 9)+ \'\';');
document.write('var d = Math.ceil(Math.random() * 9)+ \'\';');
document.write('var e = Math.ceil(Math.random() * 9)+ \'\';');
document.write('var code = a + b + c + d + e;');
document.write('document.getElementById("txtCaptcha").value = code;');
document.write('document.getElementById("CaptchaDiv").innerHTML = code;');
document.write('function ValidCaptcha(){');
document.write('var str1 = removeSpaces(document.getElementById(\'txtCaptcha\').value);');
document.write('var str2 = removeSpaces(document.getElementById(\'CaptchaInput\').value);');
document.write('if (str1 == str2){');
document.write('return true;');
document.write('}else{');
document.write('return false;');
document.write('}');
document.write('}');
document.write('function removeSpaces(string){');
document.write('return string.split(\' \').join(\'\');');
document.write('}');
document.write(''+'script>');