function showPanel(btnClicked){
    var mainPanel = document.getElementById("FlashMain"); 
    var cusPanel = document.getElementById("FlashCustomer"); 
    var empPanel = document.getElementById("FlashEmployee"); 
    var comPanel = document.getElementById("FlashCompany"); 
    //var cusLogin = document.getElementById("CustomerLoginPanel"); 
    var empLogin = document.getElementById("EmployeeLoginPanel"); 
    var comLogin = document.getElementById("CompanyLoginPanel"); 
    var controlArray = [mainPanel,cusPanel,empPanel,comPanel,empLogin,comLogin];
    if (btnClicked==''){
        for (i=1;i<controlArray.length;i++)
            controlArray[i].style.display = "none";
        
        controlArray[0].style.display = "";
    }
        else{
            switch (btnClicked){
            
                case'cust':
                    mainPanel.style.display = "none";
                    
                    empPanel.style.display = "none";
                    comPanel.style.display = "none";
                    cusPanel.style.display = "block";
                    
                    empLogin.style.display = "none";
                    comLogin.style.display = "none";
                  //  cusLogin.style.display = "block";
                     var myfocustext=document.getElementById("CustomerLogin1_txtUserName");
                    myfocustext.focus();
                    myfocustext.select();
                    break;
                case'emp':
                    mainPanel.style.display = "none";
                    
                    comPanel.style.display = "none";
                    cusPanel.style.display = "none";
                    empPanel.style.display = "block";
                    
                    comLogin.style.display = "none";
                    //cusLogin.style.display = "none";
                    empLogin.style.display = "block";
                    var myfocustext2=document.getElementById("EmployeeLogin1_TxtUser");
                    myfocustext2.focus();
                   myfocustext2.select();
                    break;   
                case 'comp':
                    mainPanel.style.display = "none";
                    
                    cusPanel.style.display = "none";
                    empPanel.style.display = "none";
                    comPanel.style.display = "block";
                    
//                    cusLogin.style.display = "none";
                    empLogin.style.display = "none";
                    comLogin.style.display = "block";
                     var myfocustext3=document.getElementById("CompanyLogin1_txt1");
                    myfocustext3.focus();
                    myfocustext3.select();
                    
                    break;            
                }
           }
}