在光标插入的地方插入内容

function getValue(value)
{
    insertAtCursor(document.all.ContentTextBox, value);
    document.getElementById("LabelDivid").style.display = "none";
}
function insertAtCursor(myField, myValue) {
    //IE 浏览器  
    if (document.selection) {  
        myField.focus();  
        sel = document.selection.createRange();
        sel.text = myValue;  
        sel.select();  
    }
     //FireFox、Chrome等  
    else if (myField.selectionStart || myField.selectionStart == '0') {  
        var startPos = myField.selectionStart;  
        var endPos = myField.selectionEnd; 
        // 保存滚动条  
        var restoreTop = myField.scrollTop;  
        myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length);  
        if (restoreTop > 0) {  
            myField.scrollTop = restoreTop;  
        }  
        myField.focus();  
        myField.selectionStart = startPos + myValue.length;  
        myField.selectionEnd = startPos + myValue.length;
    } else {  
        myField.value += myValue;
        myField.focus();
    }  
} 

 子窗口返回父窗口，在光标插入的地方插入内容。