function submitOnEnter(field, neighbour, e) {  
	var keyCode;
	if(window.event) keyCode = window.event.keyCode; // IE
	else if(e) keyCode = e.which; //Netscape, Mozilla, Firefox 	   				
	else return true;
	
	if(keyCode == 13 && field.value.length > 0 && neighbour.value.length > 0){
		field.form.submit(); 
		return false;
	} else{
		return true;
	}
}