function showSearchTips()
{
    var left = window.screenLeft + 400;
    var top = window.screenTop + 200;
    var features = "status:no;scroll:no;dialogWidth:300px;dialogHeight:300px;dialogLeft:" + left + ";dialogTop:" + top;    
    window.showModelessDialog("AdvancedSearchTips.htm", null, features);
}

function doSearch()
{
     if(window.event.keyCode == 13)
     {
        __doPostBack("ctl00$placeHolderTopNavigation$placeHolderContent$btnSearch1", "");
        return false;
     }
}