if (document.images) {
    ButtonDellup       = new Image();
    ButtonDellup.src   = "images/ButtonDellUP.gif" ;
    ButtonDelldown     = new Image() ;
    ButtonDelldown.src = "images/ButtonDellDOWN.gif" ;

    ButtonMicrosoftup       = new Image();
    ButtonMicrosoftup.src   = "images/ButtonMicrosoftUP.gif" ;
    ButtonMicrosoftdown     = new Image() ;
    ButtonMicrosoftdown.src = "images/ButtonMicrosoftDOWN.gif" ;
    
    ButtonCiscoup       = new Image();
    ButtonCiscoup.src   = "images/ButtonCiscoUP.gif" ;
    ButtonCiscodown     = new Image() ;
    ButtonCiscodown.src = "images/ButtonCiscoDOWN.gif" ;
    
    
    Button_Monitoring_Trial_up = new Image();
    Button_Monitoring_Trial_up.src   = "images/Button_Monitoring_Trial_up.gif" ;
    Button_Monitoring_Trial_down     = new Image() ;
    Button_Monitoring_Trial_down.src = "images/Button_Monitoring_Trial_down.gif" ;
        
    Button_Network_Audit_up = new Image();
    Button_Network_Audit_up.src   = "images/Button_Network_Audit_up.gif" ;
    Button_Network_Audit_down     = new Image() ;
    Button_Network_Audit_down.src = "images/Button_Network_Audit_down.gif" ;
    
    
    
    LiveSupportButtonup       = new Image();
    LiveSupportButtonup.src   = "images/Button_Customer_Support.gif" ;
    LiveSupportButtondown     = new Image() ;
    LiveSupportButtondown.src = "images/Button_Customer_Support_ON.gif" ;
    
    LiveMonitoringButtonup       = new Image();
    LiveMonitoringButtonup.src   = "images/Button_Live_Monitoring.gif" ;
    LiveMonitoringButtondown     = new Image() ;
    LiveMonitoringButtondown.src = "images/Button_Live_Monitoring_ON.gif" ;
    
    CustomerPortalButtonup       = new Image();
    CustomerPortalButtonup.src   = "images/Button_Customer_Portal.gif" ;
    CustomerPortalButtondown     = new Image() ;
    CustomerPortalButtondown.src = "images/Button_Customer_Portal_ON.gif" ;
    
    TrialButtonup       = new Image();
    TrialButtonup.src   = "images/Button_Trial.gif" ;
    TrialButtondown     = new Image() ;
    TrialButtondown.src = "images/Button_Trial_ON.gif" ;
    
    
    
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}