if (document.images) {
 
	nav_home_on = new Image();
	nav_home_on.src = "images/nav_home_on.gif"
	nav_home_off = new Image();
	nav_home_off.src = "images/nav_home_off.gif"
	
	nav_landscaping_on = new Image();
	nav_landscaping_on.src = "images/nav_landscaping_on.gif"
	nav_landscaping_off = new Image();
	nav_landscaping_off.src = "images/nav_landscaping_off.gif"
	
	nav_seasonal_on = new Image();
	nav_seasonal_on.src = "images/nav_seasonal_on.gif"
	nav_seasonal_off = new Image();
	nav_seasonal_off.src = "images/nav_seasonal_off.gif"
	
	nav_irrigation_on = new Image();
	nav_irrigation_on.src = "images/nav_irrigation_on.gif"
	nav_irrigation_off = new Image();
	nav_irrigation_off.src = "images/nav_irrigation_off.gif"
	
	nav_lawnmaint_on = new Image();
	nav_lawnmaint_on.src = "images/nav_lawnmaint_on.gif"
	nav_lawnmaint_off = new Image();
	nav_lawnmaint_off.src = "images/nav_lawnmaint_off.gif"
	
	nav_certifications_on = new Image();
	nav_certifications_on.src = "images/nav_certifications_on.gif"
	nav_certifications_off = new Image();
	nav_certifications_off.src = "images/nav_certifications_off.gif"
	
	nav_testimonials_on = new Image();
	nav_testimonials_on.src = "images/nav_testimonials_on.gif"
	nav_testimonials_off = new Image();
	nav_testimonials_off.src = "images/nav_testimonials_off.gif"
	
	nav_portfolio_on = new Image();
	nav_portfolio_on.src = "images/nav_portfolio_on.gif"
	nav_portfolio_off = new Image();
	nav_portfolio_off.src = "images/nav_portfolio_off.gif"
	
	nav_experience_on = new Image();
	nav_experience_on.src = "images/nav_experience_on.gif"
	nav_experience_off = new Image();
	nav_experience_off.src = "images/nav_experience_off.gif"
	
	nav_faqs_on = new Image();
	nav_faqs_on.src = "images/nav_faqs_on.gif"
	nav_faqs_off = new Image();
	nav_faqs_off.src = "images/nav_faqs_off.gif"
	
	nav_links_on = new Image();
	nav_links_on.src = "images/nav_links_on.gif"
	nav_links_off = new Image();
	nav_links_off.src = "images/nav_links_off.gif"
	
	nav_contact_on = new Image();
	nav_contact_on.src = "images/nav_contact_on.gif"
	nav_contact_off = new Image();
	nav_contact_off.src = "images/nav_contact_off.gif"
	
	nav_home_on = new Image();
	nav_home_on.src = "images/nav_home_on.gif"
	nav_home_off = new Image();
	nav_home_off.src = "images/nav_home_off.gif"
	
	nav_employment_on = new Image();
	nav_employment_on.src = "images/nav_employment_on.gif"
	nav_employment_off = new Image();
	nav_employment_off.src = "images/nav_employment_off.gif"

}

function changeImages() {
	if (document.images){
    	for (var i=0; i < changeImages.arguments.length; i+=2){
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}