<!--

function checkqty(x, y, z) {
	// x = grade;
	// y = ratio;
	// z = id;
	
	var maxNum = $("grade"+x+"students").value; 
	var numAllowed = maxNum / y;	
	if($(z).value <= numAllowed) {
	} else {
		alert("You're exceeding your quota...");
		$(z).value="";
		$(z).focus()
	}
}


function showHide(x) {
				
	if($('grade'+x).checked == true) { 
		Effect.BlindDown(x+'thGradefreeMaterials');
		
	} else {
		Effect.BlindUp(x+'thGradefreeMaterials');
	}

}

-->