function volltest(){ 
	if (window.document.ratingform.r_name.value == "")
	    {
	    	alert("please enter your name.");
			return false;
		}
	if (window.document.ratingform.r_email.value == "")
	      {
	      	alert("please enter your email.");
			return false;
		}
	if (window.document.ratingform.r_email.value.indexOf("@") == -1)
	      {
	      	alert("please correct your email");
			return false;
	       }
	if (window.document.ratingform.r_email.value.indexOf(".") == -1)
		  {
			alert("please correct your email");
			return false;
		  }	
	if (window.document.ratingform.r_text.value == "")
	  	  {
			alert("please enter your comment");
			return false;
		  }   
	if ((window.document.ratingform.r_rating[0].checked == false) &&
	 	(window.document.ratingform.r_rating[1].checked == false) &&
		(window.document.ratingform.r_rating[2].checked == false) &&
		(window.document.ratingform.r_rating[3].checked == false) &&
		(window.document.ratingform.r_rating[4].checked == false) )
		  {
			alert("how many *** stars ?");
			return false;
	  }	 
	return true;		 	  
}

function send()
{
	if (volltest() == true) document.ratingform.submit();
}