if (document.images) {
	var img = new Array();
	img[0] = 'images/nav_home_0.jpg';
	img[1] = 'images/nav_home_1.jpg';
	img[2] = 'images/nav_about_0.jpg';
	img[3] = 'images/nav_about_1.jpg';
	img[4] = 'images/nav_promotions_0.jpg';
	img[5] = 'images/nav_promotions_1.jpg';
	img[6] = 'images/nav_products_0.jpg';
	img[7] = 'images/nav_products_1.jpg';
	img[8] = 'images/nav_installations_0.jpg';
	img[9] = 'images/nav_installations_1.jpg';
	img[10] = 'images/nav_service_0.jpg';
	img[11] = 'images/nav_service_1.jpg';
	img[12] = 'images/nav_shop_0.jpg';
	img[13] = 'images/nav_shop_1.jpg';
	img[14] = 'images/nav_testimonials_0.jpg';
	img[15] = 'images/nav_testimonials_1.jpg';
	img[16] = 'images/nav_contact_0.jpg';
	img[17] = 'images/nav_contact_1.jpg';

				
	var im = new Array();
	
	for (var i = 0; i < img.length; i++) {
		im[i] = new Image();
		im[i].src = img[i];	
	}
}

function toggleImg(imageName, num) {
	if (document.images) {
		document.images[imageName].src = im[num].src;
	}
}

function popup(thename) {
	window.open(thename, "", "width=400, height=360,scrollbars=0");
}
	
function popup2(thename) {
	window.open(thename, "", "width=740, height=400,scrollbars=1");
}

function popup3(thename) {
	window.open(thename, "", "width=400, height=400,scrollbars=1");
}
	
function resolution() {
		document.write("<input name='screenresolution' type='hidden' value='" + screen.width + "x" + screen.height + "' />");
	}