function novi_prozor(ime,url,w,h,s)
{
window.open(url,ime,"toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars="+s+", resizable=no, width="+w+", height="+h);
}

// validacija eMail-Adrese
function isValidEmail(email, required) {
	// regexp za email adresu
	var regexpForEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*[.][a-zA-Z]{2,4}$/
	
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        } else {
			return true;
		}
    }
    if (email.length==0) {  
        if (required) {
            return false;
        } else {
			return true;
		}
    }

	return email.match(regexpForEmail);
}

function CheckForm()        
{            
  if (document.form.email.value == "")            
  {                
    alert("Email nije ispunjen!");                
    document.form.email.focus();            
  }   

  else if (document.form.email.value == "email@prijatelja.com")            
  {                
    alert("Email nije ispravan!");                
    document.form.email.focus();            
  }   

  else if (! isValidEmail(document.form.email.value)) 
  {
    alert("Email nije ispravan!");
    document.form.email.focus();
  }

  else                
    document.form.submit();        
}    

function CheckFormNeradi()        
{            
  if (document.form.Ime.value == "")            
  {                
    alert("Ime nije ispunjeno!");                
    document.form.Ime.focus();            
  }            
  else
    document.form.submit();        
}