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imgnav1on.src = "/images/navigation/OurCompany_on.gif"; 
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imgnav1off.src = "/images/navigation/OurCompany_off.gif"; 
var imgnav2on = new Image(); 
imgnav2on.src = "/images/navigation/MillRelationships_on.gif"; 
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imgnav2off.src = "/images/navigation/MillRelationships_off.gif"; 
var imgnav3on = new Image(); 
imgnav3on.src = "/images/navigation/Environmental_on.gif"; 
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imgnav3off.src = "/images/navigation/Environmental_off.gif"; 
var imgnav4on = new Image(); 
imgnav4on.src = "/images/navigation/ToolsResources_on.gif"; 
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imgnav4off.src = "/images/navigation/ToolsResources_off.gif"; 
var imgnav5on = new Image(); 
imgnav5on.src = "/images/navigation/Locations_on.gif"; 
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imgnav5off.src = "/images/navigation/Locations_off.gif"; 
var imgnav6on = new Image(); 
imgnav6on.src = "/images/navigation/News_on.gif"; 
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imgnav6off.src = "/images/navigation/News_off.gif"; 
var imgnav7on = new Image(); 
imgnav7on.src = "/images/navigation/ContactUs_on.gif"; 
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imgnav7off.src = "/images/navigation/ContactUs_off.gif"; 
var imgnav8on = new Image(); 
imgnav8on.src = "/images/navigation/CoC_on.gif"; 
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imgnav8off.src = "/images/navigation/CoC_off.gif";