if (document.images) {   
imgClienton = new Image();                  
imgClienton.src="/images/menu/clients-on.gif"; 
imgClientoff = new Image();             
imgClientoff.src="/images/menu/clients-off.gif"; 

imgCanon = new Image();                  
imgCanon.src="/images/menu/candidates-on.gif"; 
imgCanoff = new Image();             
imgCanoff.src="/images/menu/candidates-off.gif"; 

imgAbouton = new Image();                  
imgAbouton.src="/images/menu/about-on.gif"; 
imgAboutoff = new Image();             
imgAboutoff.src="/images/menu/about-off.gif"; 

imgContacton = new Image();                  
imgContacton.src="/images/menu/contact-on.gif"; 
imgContactoff = new Image();             
imgContactoff.src="/images/menu/contact-off.gif"; 

imgHomeon = new Image();                  
imgHomeon.src="/images/menu/home-on.gif"; 
imgHomeoff = new Image();             
imgHomeoff.src="/images/menu/home-off.gif"; 

imgSiteon = new Image();                  
imgSiteon.src="/images/menu/site-on.gif"; 
imgSiteoff = new Image();             
imgSiteoff.src="/images/menu/site-off.gif"; 
	   	 
	}
// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");        
	}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");        
	}
}//