if (document.images) {
			homeover= new Image
			homeout= new Image
			historyover= new Image
			historyout= new Image
			productsover= new Image
			productsout= new Image
			specificationsover= new Image
			specificationsout= new Image
			productionover= new Image
			productionout= new Image
			shippingover= new Image
			shippingout= new Image
			orderformover= new Image
			orderformout= new Image
			contactusover= new Image
			contactusout= new Image
			
			
			homeover.src='images/home_on.gif'
			homeout.src='images/home.gif'
			historyover.src='images/history_on.gif'
			historyout.src='images/history.gif'
			productsover.src='images/products_on.gif'
			productsout.src='images/products.gif'
			specificationsover.src='images/specifications_on.gif'
			specificationsout.src='images/specifications.gif'
			productionover.src='images/production_on.gif'
			productionout.src='images/production.gif'
			shippingover.src='images/shipping_on.gif'
			shippingout.src='images/shipping.gif'
			orderformover.src='images/orderform_on.gif'
			orderformout.src='images/orderform.gif'
			contactusover.src='images/contactus_on.gif'
			contactusout.src='images/contactus.gif'
			
			
		}
		else {
			homeover=""
			homeout=""
			over=""
			historyout=""
			document.history=""
			productsover=""
			productsout=""
			document.products=""
			specificationsover=""
			specificationsout=""
			document.specifications=""
			productionover=""
			productionout=""
			document.production=""
			shippingover=""
			shippingout=""
			document.shipping=""
			orderformover=""
			orderformout=""
			document.orderform=""
			contactusover=""
			contactusout=""
			document.contactus=""

			
		}