function SelectTab(objTab)
{
    switch(objTab.id)
    {
        case 'screeners':
            ShowScreeners();            
            //document.getElementById('imgScreeners').src = "images/thumbnails/screeners_over.jpg";  
            break
        case 'compare':
             ShowCompare();
             //document.getElementById('imgCompare').src = "images/thumbnails/compare_over.jpg";  
             break
        case 'charts':
             ShowCharts();
             //document.getElementById('imgCompare').src = "images/thumbnails/compare_over.jpg";  
             break
        case "reportcard":
             ShowETFReportCard();        
             break
        case "marketedge":
             ShowMarketEdge();        
             break
//        case "education":
//             ShowEducation();        
//             break
//        case "insights":
//             ShowInsights();        
//             break
        default:
            ShowWelcome();
            break
    }
}

function ShowWelcome()
{
    //hide all other content divs
    document.getElementById('screenerContent').style.display = 'none';
    document.getElementById('compareContent').style.display = 'none';    
    document.getElementById('chartsContent').style.display = 'none';
    document.getElementById('reportContent').style.display = 'none';
    document.getElementById('marketedgeContent').style.display = 'none';
//    document.getElementById('educationContent').style.display = 'none';
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg";    
    document.getElementById('imgMain').src = "images/big_welcomescreen.jpg"; 
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href="/Research/ETFcenter.aspx?tab=screeners"><IMG SRC="../Research/images/LearnMore.jpg" align="right" style="padding-right:25px; vertical-align:top;"/></a>';
    document.getElementById('welcomeContent').style.display = 'block';  
    document.getElementById('imgMain').onclick = function(){
        window.open("ETFvideo.aspx");
    }
    document.getElementById('imgMain').style.cursor = "pointer";
    
    //hide all other images
    document.getElementById('compare').src = "images/thumbnails/compare.jpg"; 
    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";    
    
    
}

function ShowScreeners()
{
    //hide all other content divs
    document.getElementById('welcomeContent').style.display = 'none';
    document.getElementById('compareContent').style.display = 'none';
    document.getElementById('chartsContent').style.display = 'none';
    document.getElementById('reportContent').style.display = 'none';
    document.getElementById('marketedgeContent').style.display = 'none';
//    document.getElementById('educationContent').style.display = 'none';
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('screeners').src = "images/thumbnails/screeners_over.jpg";    
    document.getElementById('imgMain').src = "images/big_screener.jpg"; 
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools > Screeners';
    document.getElementById('screenerContent').style.display = 'block';
    document.getElementById('imgMain').onclick = '';
    
    document.getElementById('imgMain').style.cursor = "default";
        
    //hide all other images
    document.getElementById('compare').src = "images/thumbnails/compare.jpg"; 
    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";    
    
    
}

function ShowCompare()
{
    //hide all other content divs
    document.getElementById('welcomeContent').style.display = "none";    
    document.getElementById('screenerContent').style.display = "none";    
    document.getElementById('chartsContent').style.display = "none";
    document.getElementById('reportContent').style.display = "none";
    document.getElementById('marketedgeContent').style.display = "none";
//    document.getElementById('educationContent').style.display = "none";
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('compare').src = "images/thumbnails/compare_over.jpg";    
    document.getElementById('imgMain').src = "images/big_compare.jpg";
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools > Compare ETFs';
    document.getElementById('compareContent').style.display = "block";   
    document.getElementById('imgMain').onclick = '';
    
    document.getElementById('imgMain').style.cursor = "default";

    //hide all other thumbnails
    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg";    
    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";
    
    
}

function ShowCharts()
{
     //hide all other content divs
    document.getElementById('welcomeContent').style.display = "none";    
    document.getElementById('screenerContent').style.display = "none";    
    document.getElementById('compareContent').style.display = "none";
    document.getElementById('reportContent').style.display = "none";
    document.getElementById('marketedgeContent').style.display = "none";
//    document.getElementById('educationContent').style.display = "none"; 
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('charts').src = "images/thumbnails/charts_over.jpg"; 
    document.getElementById('imgMain').src = "images/big_charts.jpg";
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools > Charts';
    document.getElementById('chartsContent').style.display = "block";
    document.getElementById('imgMain').onclick = '';
    
    document.getElementById('imgMain').style.cursor = "default";
    
    //hide all other thumbnails
    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg"; 
    document.getElementById('compare').src = "images/thumbnails/compare.jpg";
    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";
    
      
}

function ShowETFReportCard()
{
    //hide all other content divs
    document.getElementById('welcomeContent').style.display = "none";    
    document.getElementById('screenerContent').style.display = "none";    
    document.getElementById('compareContent').style.display = "none";
    document.getElementById('chartsContent').style.display = "none";
    document.getElementById('marketedgeContent').style.display = "none";
//    document.getElementById('educationContent').style.display = "none";
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('reportcard').src = "images/thumbnails/reportcard_over.jpg"; 
    document.getElementById('imgMain').src = "images/big_reportcard.jpg";
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools > ETF Report Card';
    document.getElementById('reportContent').style.display = "block"; 
    document.getElementById('imgMain').onclick = '';
    
    document.getElementById('imgMain').style.cursor = "default";    
    
    //hide all other thumbnails
    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg"; 
    document.getElementById('compare').src = "images/thumbnails/compare.jpg";
    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";
    
      
}

function ShowMarketEdge()
{
    //hide all other content divs
    document.getElementById('welcomeContent').style.display = "none";    
    document.getElementById('screenerContent').style.display = "none";    
    document.getElementById('compareContent').style.display = "none";
    document.getElementById('chartsContent').style.display = "none";
    document.getElementById('reportContent').style.display = "none";
//    document.getElementById('educationContent').style.display = "none";
//    document.getElementById('insightsContent').style.display = "none";
    
    document.getElementById('marketedge').src = "images/thumbnails/marketedge_over.jpg"; 
    document.getElementById('imgMain').src = "images/big_marketedge.jpg";
    document.getElementById('lblBreadCrumbs').innerHTML='ETF Tools > Market Edge';
    document.getElementById('marketedgeContent').style.display = "block"; 
    document.getElementById('imgMain').onclick = '';
    
    document.getElementById('imgMain').style.cursor = "default";    
    
    //hide all other thumbnails
    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg"; 
    document.getElementById('compare').src = "images/thumbnails/compare.jpg";
    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";
          
}

//function ShowEducation()
//{
//    //hide all other content divs
//    document.getElementById('welcomeContent').style.display = "none";    
//    document.getElementById('screenerContent').style.display = "none";    
//    document.getElementById('compareContent').style.display = "none";
//    document.getElementById('chartsContent').style.display = "none";
//    document.getElementById('reportContent').style.display = "none";
//    document.getElementById('marketedgeContent').style.display = "none";    
//    document.getElementById('insightsContent').style.display = "none"; 
//    
//    document.getElementById('education').src = "images/thumbnails/education_over.jpg"; 
//    document.getElementById('imgMain').src = "images/big_education.jpg";
//    document.getElementById('lblBreadCrumbs').innerHTML='ETF Center > Education';
//    document.getElementById('educationContent').style.display = "block"; 
//    document.getElementById('imgMain').onclick = '';
//    
//    //hide all other thumbnails
//    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg"; 
//    document.getElementById('compare').src = "images/thumbnails/compare.jpg";
//    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
//    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
//    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('insights').src = "images/thumbnails/insights.jpg";
//         
//}

//function ShowInsights()
//{
//    //hide all other content divs
//    document.getElementById('welcomeContent').style.display = "none";    
//    document.getElementById('screenerContent').style.display = "none";    
//    document.getElementById('compareContent').style.display = "none";
//    document.getElementById('chartsContent').style.display = "none";
//    document.getElementById('reportContent').style.display = "none";
//    document.getElementById('educationContent').style.display = "none";
//    document.getElementById('marketedgeContent').style.display = "none";
//    
//    document.getElementById('insights').src = "images/thumbnails/insights_over.jpg"; 
//    document.getElementById('imgMain').src = "images/big_education.jpg";
//    document.getElementById('lblBreadCrumbs').innerHTML='ETF Center > Insights & Strategies';
//    document.getElementById('insightsContent').style.display = "block"; 
//    document.getElementById('imgMain').onclick = '';
//    
//    //hide all other thumbnails
//    document.getElementById('screeners').src = "images/thumbnails/screeners.jpg"; 
//    document.getElementById('compare').src = "images/thumbnails/compare.jpg";
//    document.getElementById('charts').src = "images/thumbnails/charts.jpg";
//    document.getElementById('reportcard').src = "images/thumbnails/reportcard.jpg";
//    document.getElementById('marketedge').src = "images/thumbnails/marketedge.jpg";
//    document.getElementById('education').src = "images/thumbnails/education.jpg";
//         
//}