function print_form() {
 pos_x=(screen.width-600)/2;
 pos_y=(screen.height-350)/2;

 new_window=window.open("/print_form.html","print","width=580,height=320,screenX="+pos_x+",screenY="+pos_y+",left="+pos_x+",top="+pos_y+",scrollbars=no,resizable=no");
 new_window.focus();
}

function check_form() {
	if (!document.register.lastname.value.length || 
		!document.register.firstname.value.length || 
		!document.register.department.value.length || 
		!document.register.org.value.length || 
		!document.register.address.value.length || 
		!document.register.zip.value.length || 
		!document.register.country.value.length || 
		!document.register.phone.value.length || 
		!document.register.email.value.length) {
			alert("Please fill all the mandatory fields.\n(marked with *)");
			return false;
		}

	return true;
}