/**
 *
 * @access public
 * @return void
 **/
function hoverArea(_elementID, _status)
{
	var element = document.getElementById(_elementID);
	if(_status) {
    		element.style.display = "block";
	} else {
		element.style.display = "none";
	}
	return true;
}


function getAnswerDefault() {
	var queryString = window.location.search;
    if (queryString == "") {
        return true;
    }
    queryString = queryString.substr(1);
    var args = queryString.split("&");
    for (var key in args) {
        var item = args[key];
         
        var keyValue = item.split("=");
        if (typeof(keyValue[0]) == 'undefined' || typeof(keyValue[1]) == 'undefined') {
            continue;
        }
        var key = keyValue[0];
        var value = keyValue[1];
        
        switch(key) {
            case 'answer':
                var elementName = key +'_'+ value;
                var element = document.getElementById(elementName);
                if (element == null) {
                    break;
                }
                element.checked = true;
                break;    
        }
    }
}