if (document.images)    
{         
image1on = new Image(); image1on.src = "/bbfcommon/dossier_Global/gb2.gif"; 
image1off = new Image(); image1off.src = "/bbfcommon/dossier_Global/gb1.gif"; 
image2on = new Image(); image2on.src = "/bbfcommon/dossier_Global/key2.gif"; 
image2off = new Image(); image2off.src = "/bbfcommon/dossier_Global/key1.gif"; 
image3on = new Image(); image3on.src = "/bbfcommon/dossier_Global/bd2.gif"; 
image3off = new Image(); image3off.src = "/bbfcommon/dossier_Global/bd1.gif"; 
image4on = new Image(); image4on.src = "/bbfcommon/dossier_Global/cs2.gif"; 
image4off = new Image(); image4off.src = "/bbfcommon/dossier_Global/cs1.gif";      
image5on = new Image(); image5on.src = "/bbfcommon/dossier_Global/ap2.gif"; 
image5off = new Image(); image5off.src = "/bbfcommon/dossier_Global/ap1.gif";
image6on = new Image(); image6on.src = "/bbfcommon/dossier_Global/add2.gif"; 
image6off = new Image(); image6off.src = "/bbfcommon/dossier_Global/add1.gif";
image7on = new Image(); image7on.src = "/bbfcommon/dossier_Global/em2.gif"; 
image7off = new Image(); image7off.src = "/bbfcommon/dossier_Global/em1.gif";
image8on = new Image(); image8on.src = "/bbfcommon/dossier_Global/bf2.gif"; 
image8off = new Image(); image8off.src = "/bbfcommon/dossier_Global/bf1.gif";
}          
function turnOn(imageName)        
{          
if (document.images) 
{      
document[imageName].src = eval(imageName + "on.src");       
}            
}      
function turnOff(imageName)     
{         
if (document.images)      
{          
document[imageName].src = eval(imageName + "off.src");               
}             
}