function GotoArticleSearch()
{
    var obj = document.getElementById(tbArticleSearch);
    window.location = SearchUrl + obj.value + '&Published=Past two years';
}

function clickcheckarticle(e)
{
    clickcheck(e);
    var target = (e && e.target) || (event && event.srcElement);
    var obj = document.getElementById(tbArticleSearch);                            
    if(target==obj)
    {
        if (obj.value=="Search over 13,000 archived articles")
            obj.value="";
    }
}

function detectKeyDownArticle(e)
{
    detectKeyDown(e)
    var target = (e && e.target) || (window.event && window.event.srcElement);
    var obj = document.getElementById(tbArticleSearch);
    var evt = e ? e : window.event;            
    var iKeyCode = evt.keyCode; 
    if(target==obj)
    { 
        switch(iKeyCode)
        {
            case 13: //return key      
            if (evt.preventDefault)
                evt.preventDefault();
            window.focus();
            window.location = SearchUrl + obj.value + '&Published=Past two years';
            return false;                                                        
        }
    }                      
}