function AddToCart(cartButton, productID, mediaID, mediaLicenseID, trackOverride, formatOption) {
				
    if (formatOption == 1) {
        cartButton.src = 'images/add.gif'; }
    if (formatOption == 2) {
        cartButton.src = 'images/add_alt.gif'; }
    if (formatOption == 3) {
        cartButton.src = 'images/add_sel.gif'; }
    if (formatOption == 4) {
        cartButton.src = 'images/addtracks.gif'; }            
    								    
    cartButton.title = '';
    cartButton.disabled = 'disabled';
        
    $get('CartStatus1_CartButtonID').value = cartButton.id;        				       
    $get('CartStatus1_CartProductID').value = productID;   	
    $get('CartStatus1_CartMediaID').value = mediaID;    		        
    $get('CartStatus1_CartTrackOverride').value = trackOverride;        
    $get('CartStatus1_CartFormatOption').value = formatOption;        
    $get('CartStatus1_CartMediaLicenseID').value = mediaLicenseID;    
	$get('CartStatus1_CartAdd').value = 1;									    
	
	__doPostBack('CartStatus1_CartAdd','');
																		                      
}