function checktellafriend(fname)
{
	var error = "";
	
	if((error = checkValidCharString(fname.sendername.value,'Your name',1,30)) != ""){
		alert(error);
		return false;
	}
	
	if((error = checkEmail(fname.senderemail.value,'Your Email')) != ""){
		alert(error);
		return false;
	}
	
	if((error = checkValidCharString(fname.receivername.value,'Friends name',1,30)) != ""){
		alert(error);
		return false;
	}
	
	if((error = checkEmail(fname.receiveremail.value,'Friends Email address')) != ""){
		alert(error);
		return false;
	}	
	return true;
}