function enablebackgroundFilter()
{
    var div;
    
    if(document.getElementById)
    // Standard way to get element
    div = document.getElementById('backgroundFilter'); 
    else if(document.all) 
    // Get the element in old IE's 
    div = document.all['backgroundFilter']; 
    
    // if the style.display value is blank we try to check it out here 
   
  
    // If the background is hidden ('none') then it will display it ('block').
    // If the background is displayed ('block') then it will hide it ('none').
    div.style.display = 'block';
}
function disablebackgroundFilter()
{
    var div;
    
    if(document.getElementById)
    // Standard way to get element
    div = document.getElementById('backgroundFilter'); 
    else if(document.all) 
    // Get the element in old IE's 
    div = document.all['backgroundFilter']; 
    
    // if the style.display value is blank we try to check it out here 
   
     
    // If the background is hidden ('none') then it will display it ('block').
    // If the background is displayed ('block') then it will hide it ('none').
    div.style.display = 'none';
}

function enablepopUp()
{
    var div;
    
    if(document.getElementById)
    // Standard way to get element
    div = document.getElementById('popupWindow'); 
    else if(document.all) 
    // Get the element in old IE's 
    div = document.all['popupWindow']; 

    
    // If the PopUp is hidden ('none') then it will display it ('block').
    // If the PopUp is displayed ('block') then it will hide it ('none').
    div.style.display ='block';
    div1=document.getElementById('witayadiv');
    div1.style.display='none';
    
}
function disablepopUp()
{
    var div;
    
    if(document.getElementById)
    // Standard way to get element
    div = document.getElementById('popupWindow'); 
    else if(document.all) 
    // Get the element in old IE's 
    div = document.all['popupWindow']; 

   
    
    // If the PopUp is hidden ('none') then it will display it ('block').
    // If the PopUp is displayed ('block') then it will hide it ('none').
    div.style.display ='none';
    div1=document.getElementById('witayadiv');
    div1.style.display='block';
    
}