if (document.images) {
			homeover= new Image
			homeout= new Image
			physiciansover= new Image
			physiciansout= new Image
			articlesover= new Image
			articlesout= new Image
			sacrodysfunctionover= new Image
			sacrodysfunctionout= new Image
			faqsover= new Image
			faqsout= new Image
			testimonialsover= new Image
			testimonialsout= new Image
			locationover= new Image
			locationout= new Image
			contactusover= new Image
			contactusout= new Image
			
			
			homeover.src='images/home_on.gif'
			homeout.src='images/home.gif'
			physiciansover.src='images/physicians_on.gif'
			physiciansout.src='images/physicians.gif'
			articlesover.src='images/articles_on.gif'
			articlesout.src='images/articles.gif'
			sacrodysfunctionover.src='images/sacrodysfunction_on.gif'
			sacrodysfunctionout.src='images/sacrodysfunction.gif'
			faqsover.src='images/faqs_on.gif'
			faqsout.src='images/faqs.gif'
			testimonialsover.src='images/testimonials_on.gif'
			testimonialsout.src='images/testimonials.gif'
			locationover.src='images/location_on.gif'
			locationout.src='images/location.gif'
			contactusover.src='images/contactus_on.gif'
			contactusout.src='images/contactus.gif'
			
			
		}
		else {
			homeover=""
			homeout=""
			physiciansover=""
			physiciansout=""
			document.physicians=""
			articlesover=""
			articlesout=""
			document.articles=""
			sacrodysfunctionover=""
			sacrodysfunctionout=""
			document.sacrodysfunction=""
			faqsover=""
			faqsout=""
			document.faqs=""
			testimonialsover=""
			testimonialsout=""
			document.testimonials=""
			locationover=""
			locationout=""
			document.location=""
			contactusover=""
			contactusout=""
			document.contactus=""

			
		}