// Active images
	img1on = new Image();
	img1on.src = "../pics/nv/nv_01_a.gif";
		img11on = new Image();
		img11on.src = "../pics/nv/snv_01_01_a.gif";
		img12on = new Image();
		img12on.src = "../pics/nv/snv_01_02_a.gif";
		img13on = new Image();
		img13on.src = "../pics/nv/snv_01_03_a.gif";
		img14on = new Image();
		img14on.src = "../pics/nv/snv_01_04_a.gif";
	img2on = new Image(); 
	img2on.src = "../pics/nv/nv_02_a.gif";
		img21on = new Image();
		img21on.src = "../pics/nv/snv_02_01_a.gif";
		img22on = new Image();
		img22on.src = "../pics/nv/snv_02_02_a.gif";
		img23on = new Image();
		img23on.src = "../pics/nv/snv_02_03_a.gif";
		img24on = new Image();
		img24on.src = "../pics/nv/snv_02_04_a.gif";
		img25on = new Image();
		img25on.src = "../pics/nv/snv_02_05_a.gif";
		img26on = new Image();
		img26on.src = "../pics/nv/snv_02_06_a.gif";
		img27on = new Image();
		img27on.src = "../pics/nv/snv_02_07_a.gif";
	img3on = new Image();
	img3on.src = "../pics/nv/nv_03_a.gif";
		img31on = new Image();
		img31on.src = "../pics/nv/snv_03_01_a.gif";
		img32on = new Image();
		img32on.src = "../pics/nv/snv_03_02_a.gif";
		img33on = new Image();
		img33on.src = "../pics/nv/snv_03_03_a.gif";
		img34on = new Image();
		img34on.src = "../pics/nv/snv_03_04_a.gif";
	img4on = new Image();
	img4on.src = "../pics/nv/nv_04_a.gif";
		img41on = new Image();
		img41on.src = "../pics/nv/snv_04_01_a.gif";
		img42on = new Image();
		img42on.src = "../pics/nv/snv_04_02_a.gif";
		img43on = new Image();
		img43on.src = "../pics/nv/snv_04_03_a.gif";
		img44on = new Image();
		img44on.src = "../pics/nv/snv_04_04_a.gif";
		img45on = new Image();
		img45on.src = "../pics/nv/snv_04_05_a.gif";
		img46on = new Image();
		img46on.src = "../pics/nv/snv_04_06_a.gif";
	img5on = new Image();
	img5on.src = "../pics/nv/nv_05_a.gif";
		img51on = new Image();
		img51on.src = "../pics/nv/snv_05_01_a.gif";
		img52on = new Image();
		img52on.src = "../pics/nv/snv_05_02_a.gif";
		img53on = new Image();
		img53on.src = "../pics/nv/snv_05_03_a.gif";
		img54on = new Image();
		img54on.src = "../pics/nv/snv_05_04_a.gif";
		img55on = new Image();
		img55on.src = "../pics/nv/snv_05_05_a.gif";
	img6on = new Image();
	img6on.src = "../pics/nv/nv_06_a.gif";
		img61on = new Image();
		img61on.src = "../pics/nv/snv_06_01_a.gif";
		img62on = new Image();
		img62on.src = "../pics/nv/snv_06_02_a.gif";
		img63on = new Image();
		img63on.src = "../pics/nv/snv_06_03_a.gif";
		img64on = new Image();
		img64on.src = "../pics/nv/snv_06_04_a.gif";		
	img7on = new Image();
	img7on.src = "../pics/nv/nv_07_a.gif";
		img71on = new Image();
		img71on.src = "../pics/nv/snv_07_01_a.gif";
		img72on = new Image();
		img72on.src = "../pics/nv/snv_07_02_a.gif";
		img73on = new Image();
		img73on.src = "../pics/nv/snv_07_03_a.gif";
		img74on = new Image();
		img74on.src = "../pics/nv/snv_07_04_a.gif";
		img75on = new Image();
		img75on.src = "../pics/nv/snv_07_05_a.gif";
		img76on = new Image();
		img76on.src = "../pics/nv/snv_07_06_a.gif";
		img77on = new Image();
		img77on.src = "../pics/nv/snv_07_07_a.gif";
		img78on = new Image();
		img78on.src = "../pics/nv/snv_07_08_a.gif";
		img79on = new Image();
		img79on.src = "../pics/nv/snv_07_09_a.gif";
	img8on = new Image();
	img8on.src = "../pics/nv/nv_08_a.gif";
		img81on = new Image();
		img81on.src = "../pics/nv/snv_08_01_a.gif";
		img82on = new Image();
		img82on.src = "../pics/nv/snv_08_02_a.gif";
		img83on = new Image();
		img83on.src = "../pics/nv/snv_08_03_a.gif";
		img84on = new Image();
		img84on.src = "../pics/nv/snv_08_04_a.gif";
		img85on = new Image();
		img85on.src = "../pics/nv/snv_08_05_a.gif";
		img86on = new Image();
		img86on.src = "../pics/nv/snv_08_06_a.gif";
		img87on = new Image();
		img87on.src = "../pics/nv/snv_08_07_a.gif";
	img9on = new Image();
	img9on.src = "../pics/nv/nv_09_a.gif";
	
	// Inactive images
	img1off = new Image();
	img1off.src = "../pics/nv/nv_01_i.gif";
		img11off = new Image();
		img11off.src = "../pics/nv/snv_01_01_i.gif";
		img12off = new Image();
		img12off.src = "../pics/nv/snv_01_02_i.gif";
		img13off = new Image();
		img13off.src = "../pics/nv/snv_01_03_i.gif";
		img14off = new Image();
		img14off.src = "../pics/nv/snv_01_04_i.gif";
	img2off = new Image(); 
	img2off.src = "../pics/nv/nv_02_i.gif";
		img21off = new Image();
		img21off.src = "../pics/nv/snv_02_01_i.gif";
		img22off = new Image();
		img22off.src = "../pics/nv/snv_02_02_i.gif";
		img23off = new Image();
		img23off.src = "../pics/nv/snv_02_03_i.gif";
		img24off = new Image();
		img24off.src = "../pics/nv/snv_02_04_i.gif";
		img25off = new Image();
		img25off.src = "../pics/nv/snv_02_05_i.gif";
		img26off = new Image();
		img26off.src = "../pics/nv/snv_02_06_i.gif";
		img27off = new Image();
		img27off.src = "../pics/nv/snv_02_07_i.gif";
	img3off = new Image();
	img3off.src = "../pics/nv/nv_03_i.gif";
		img31off = new Image();
		img31off.src = "../pics/nv/snv_03_01_i.gif";
		img32off = new Image();
		img32off.src = "../pics/nv/snv_03_02_i.gif";
		img33off = new Image();
		img33off.src = "../pics/nv/snv_03_03_i.gif";
		img34off = new Image();
		img34off.src = "../pics/nv/snv_03_04_i.gif";
	img4off = new Image();
	img4off.src = "../pics/nv/nv_04_i.gif";
		img41off = new Image();
		img41off.src = "../pics/nv/snv_04_01_i.gif";
		img42off = new Image();
		img42off.src = "../pics/nv/snv_04_02_i.gif";
		img43off = new Image();
		img43off.src = "../pics/nv/snv_04_03_i.gif";
		img44off = new Image();
		img44off.src = "../pics/nv/snv_04_04_i.gif";
		img45off = new Image();
		img45off.src = "../pics/nv/snv_04_05_i.gif";
		img46off = new Image();
		img46off.src = "../pics/nv/snv_04_06_i.gif";
	img5off = new Image();
	img5off.src = "../pics/nv/nv_05_i.gif";
		img51off = new Image();
		img51off.src = "../pics/nv/snv_05_01_i.gif";
		img52off = new Image();
		img52off.src = "../pics/nv/snv_05_02_i.gif";
		img53off = new Image();
		img53off.src = "../pics/nv/snv_05_03_i.gif";
		img54off = new Image();
		img54off.src = "../pics/nv/snv_05_04_i.gif";
		img55off = new Image();
		img55off.src = "../pics/nv/snv_05_05_i.gif";
	img6off = new Image();
	img6off.src = "../pics/nv/nv_06_i.gif";
		img61off = new Image();
		img61off.src = "../pics/nv/snv_06_01_i.gif";
		img62off = new Image();
		img62off.src = "../pics/nv/snv_06_02_i.gif";
		img63off = new Image();
		img63off.src = "../pics/nv/snv_06_03_i.gif";
		img64off = new Image();
		img64off.src = "../pics/nv/snv_06_04_i.gif";
	img7off = new Image();
	img7off.src = "../pics/nv/nv_07_i.gif";
		img71off = new Image();
		img71off.src = "../pics/nv/snv_07_01_i.gif";
		img72off = new Image();
		img72off.src = "../pics/nv/snv_07_02_i.gif";
		img73off = new Image();
		img73off.src = "../pics/nv/snv_07_03_i.gif";
		img74off = new Image();
		img74off.src = "../pics/nv/snv_07_04_i.gif";
		img75off = new Image();
		img75off.src = "../pics/nv/snv_07_05_i.gif";
		img76off = new Image();
		img76off.src = "../pics/nv/snv_07_06_i.gif";
		img77off = new Image();
		img77off.src = "../pics/nv/snv_07_07_i.gif";
		img78off = new Image();
		img78off.src = "../pics/nv/snv_07_08_i.gif";
		img79off = new Image();
		img79off.src = "../pics/nv/snv_07_09_i.gif";
	img8off = new Image();
	img8off.src = "../pics/nv/nv_08_i.gif";
		img81off = new Image();
		img81off.src = "../pics/nv/snv_08_01_i.gif";
		img82off = new Image();
		img82off.src = "../pics/nv/snv_08_02_i.gif";
		img83off = new Image();
		img83off.src = "../pics/nv/snv_08_03_i.gif";
		img84off = new Image();
		img84off.src = "../pics/nv/snv_08_04_i.gif";
		img85off = new Image();
		img85off.src = "../pics/nv/snv_08_05_i.gif";
		img86off = new Image();
		img86off.src = "../pics/nv/snv_08_06_i.gif";
		img87off = new Image();
		img87off.src = "../pics/nv/snv_08_07_i.gif";
	img9off = new Image();
	img9off.src = "../pics/nv/nv_09_i.gif";
	
	
	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");
	        }
	}