function validate(form){
if(document.location.href.indexOf('page241') >-1){
    if (form.name.value == "") {                                                                      
      alert('Please enter your name!');                                                                       
      form.name.focus();                                                                      
      return false;                                                                      
    }        
    if (form.company.value == "") {                                                                       
      alert('Please enter your company name!');                                                                        
      form.company.focus();                                                                       
      return false;                                                                       
    }        
      if (form.company.value == "") {                                                                        
      alert('Please enter your company name!');                                                                         
      form.company.focus();                                                                        
      return false;                                                                        
    }                                                                    
    if (form.city.value == "") {                                                                      
      alert('Please enter your city!');                                                                       
      form.city.focus();                                                                      
      return false;                                                                      
    }          
      if (form.phone.value == "") {                                                                        
      alert('Please enter your phone!');                                                                         
      form.phone.focus();                                                                        
      return false;                                                                        
    }                                                                      
    if (!validateEmail(form.email)) {                                                                      
      alert('Enter correct E-mail, please!');                                                                       
      form.email.focus();                                                                      
      return false;                                                                      
    }                                                                      
    return true;                                                                      
  }   
if(document.location.href.indexOf('page290') >-1){
    if (form.name.value == "") {                                                                      
      alert('Please enter your name!');                                                                       
      form.name.focus();                                                                      
      return false;                                                                      
    }        
    if (form.birthdate.value == "") {                                                                       
      alert('Please enter your birthdate!');                                                                        
      form.birthdate.focus();                                                                       
      return false;                                                                       
    }        
    if (form.city.value == "") {                                                                      
      alert('Please enter your city!');                                                                       
      form.city.focus();                                                                      
      return false;                                                                      
    }          
      if (form.phone.value == "") {                                                                        
      alert('Please enter your phone!');                                                                         
      form.phone.focus();                                                                        
      return false;                                                                        
    }                                                                      
    if (!validateEmail(form.email)) {                                                                      
      alert('Enter correct E-mail, please!');                                                                       
      form.email.focus();                                                                      
      return false;                                                                      
    }                                                                      
    return true;                                                                      
  }   
}