function out( boton , filename, english ){ 
 if (document.images){
   if(english == 0){ eval('document.' + boton + '.src="media/logos/' + filename + '"'); }
   else { eval('document.' + boton + '.src="../media/logos/' + filename + '"'); }}
}

function over( boton , filename, english ){ 
 if (document.images){
   if(english == 0){ eval('document.' + boton + '.src="media/logos-grayscale/' + filename + '"'); } 
   else { eval('document.' + boton + '.src="../media/logos-grayscale/' + filename + '"'); }}
}