/* 显示控制字体大小层 */
function showfontchoose(){
	if(document.all('popmenu').style.visibility!="visible")	{
		document.all('popmenu').style.visibility="visible";
	}
	else{
		document.all('popmenu').style.visibility="hidden";
	}
}

/* 控制字体大小 */
function fontchange(size){
	var size_str = size + "pt";
	
	if( document.getElementById("maintext") != null ){
		document.all("maintext").style.fontSize = size_str;
	}
	
	spans = document.getElementsByTagName("SPAN");
	//所有span
	for( var i = 0; i < spans.length; i++ ){
		spans[i].style.fontSize = size_str;
	}
	
	m_tables = document.getElementsByTagName("table");
	//所有表格
	for( var i = 0; i < m_tables.length; i++ ){
		if ( m_tables[i].className == "Table_Words") {
			m_rows = m_tables[i].getElementsByTagName("tr");
			for( var j=0; j < m_rows.length; j ++ ) {
				m_cels = m_rows[j].getElementsByTagName("td");
				for(var k=0; k< m_cels.length; k++ ){
					m_cels[k].style.fontSize = "9pt";
				}
			}
		} else {
			m_rows = m_tables[i].getElementsByTagName("tr");
			for( var j=0; j < m_rows.length; j ++ ) {
				m_cels = m_rows[j].getElementsByTagName("td");
				for(var k=0; k< m_cels.length; k++ ){
					m_cels[k].style.fontSize = size_str;
				}
			}
		}
	}
}

function item(bookid, unitid, stage){
	var str="/nce/static_html/samplewriting/nce_b" + bookid + "u"
		+ unitid + "_item" + stage + ".html";
	window.open(str, "_self");
}

/* 显示note的内容 */
function showNoteDiv(od){
	var id = "note" + od.id;
	var noteDiv = document.getElementById(id);
	document.getElementById("noteDiv").innerHTML = noteDiv.innerHTML;
}

/* 电脑提交分数 */
function deletewriting(uid,bid){
	new Ajax.Request("/nce/deleteWritingScore.htm?bid=" + bid + "&uid=" + uid,
		{method: 'get', onSuccess: showresult, 
		onFailure: function(){ alert('Something went wrong...')}});
}
/* 回调函数 */
function showresult(originalRequest){
	var response = originalRequest.responseText || "no response text";
	//window.open("/nce/static_html/index.jsp","_self");
}

function showwritingnote(bid,uid){
	new Ajax.Request("/nce/getNote.htm?bid=" + bid + "&uid=" + uid,
		{method: 'get', onSuccess: ajaxwritingnote, 
		onFailure: function(){ alert('Something went wrong...')}});
}

function ajaxwritingnote(originalRequest){
	var response = originalRequest.responseText || "no response text";
	$("bingolinks").innerHTML = response;
}