if (document.images) {
	img1on=new Image();   img1on.src="NavBar/nav_HOME_over.jpg";
	img2on=new Image();   img2on.src="NavBar/nav_ABOUT_over.jpg";
	img3on=new Image();   img3on.src="NavBar/nav_COMMERCIAL_over.jpg";
	img4on=new Image();   img4on.src="NavBar/nav_RESIDENTIAL_over.jpg";
	img5on=new Image();   img5on.src="NavBar/nav_MANAGEMENT_over.jpg";
	img6on=new Image();   img6on.src="NavBar/nav_CONTACT_over.jpg";
	img7on=new Image();   img7on.src="NavBar/nav_LINKS_over.jpg";

	img1off=new Image();  img1off.src="NavBar/nav_HOME_off.jpg";
	img2off=new Image();  img2off.src="NavBar/nav_ABOUT_off.jpg";
	img3off=new Image();  img3off.src="NavBar/nav_COMMERCIAL_off.jpg";
	img4off=new Image();  img4off.src="NavBar/nav_RESIDENTIAL_off.jpg";
	img5off=new Image();  img5off.src="NavBar/nav_MANAGEMENT_off.jpg";
	img6off=new Image();  img6off.src="NavBar/nav_CONTACT_off.jpg";
	img7off=new Image();  img7off.src="NavBar/nav_LINKS_off.jpg";
}


function imgOn(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName + "on.src");
	}
}


function imgOff(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName + "off.src");
	}
}