国家中小学智慧教育平台
function grin(tag) {
var myField;
tag = ' ' + tag + ' ';
if (document.getElementById('new-review-textbox') && document.getElementById('new-review-textbox').type == 'textarea') {
myField = document.getElementById('new-review-textbox');
} else {
return false;
}
if (document.selection) {
myField.focus();
sel = document.selection.createRange();
sel.text = tag;
myField.focus();
} else {
myField.value += tag;
myField.focus();
}
}
