function showAnswer()
{
    var querystring = window.location.search.substring(1);
    var answerId = querystring.substring(querystring.indexOf('id=')+3, querystring.length);
    var answers = getElementsByClassName(document, "div", "answerContainer");
    for(var i=0; i<answers.length; i++)
    {
        var e = answers[i];
        e.style.display = 'none';
    }
    var selectedAnswer = document.getElementById(answerId);
    if(selectedAnswer)
        selectedAnswer.style.display = 'block';
}

function init()
{
    showAnswer();
}

function getElementsByClassName(oElm, strTagName, strClassName)
{
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }
    }
    return (arrReturnElements)
}


if (window.addEventListener)
	window.addEventListener("load", init, false);// Mozilla, Opera
if(window.attachEvent)
    window.attachEvent("onload", init);// IE