function setGrade(form, id, number) {
 	$(form).elements[id+'grade'].value=number; 
	showGrade (number);

	for (var i = ++number; i <= 5;i++) {
		$(id+i).className='grade';
	}	
} 
function showGrade (id,number) {
	for (var i = 1; i <= number;i++) {
		$(id+i).className='grade gradeActiv';
	}
}
function hideGrade (id,number) {
	var i =$F(id+'grade');
	for ( ++i ; i <= number;i++) {
		$(id+i).className='grade';
	}
}	
function submitGrade (number) {
	$('fastgrade').value=number;	
	$('fastGradeForm').submit();


}

function block (text, id) {
	var li = document.getElementById(id);
	var ifrl = document.createElement('div');
    var ifrt = document.createElement('div');
	var info = document.createElement('div');
	li.style.marginTop=20+"px";

	ifrl.className = "block-left";
	ifrl.frameBorder = "0";
	ifrl.style.width=172+'px';
	ifrl.style.height=li.clientHeight - 20 +'px';
	li.appendChild(ifrl);
    ifrt.className = "block-top";
    ifrt.frameBorder = "0";
    ifrt.style.width=571+'px';
    ifrt.style.height=40+'px';
    li.appendChild(ifrt);
    
	info.className="blockedInfo";
	info.innerHTML=text;
	li.appendChild(info);
}
function showOptions (obj) {
	obj.className="show";
}