if (document.images) {            
	img1on = new Image();   
	img1on.src = "buttons/petitions.on.gif"; 	
	img1off = new Image();   
	img1off.src = "buttons/petitions.off.gif"; 	
	img2on = new Image();   
	img2on.src = "buttons/news.on.gif"; 	
	img2off = new Image();   
	img2off.src = "buttons/news.off.gif"; 
	img3on = new Image();   
	img3on.src = "buttons/av.on.gif"; 	
	img3off = new Image();   
	img3off.src = "buttons/av.off.gif"; 	
   img4on = new Image();   
	img4on.src = "buttons/daily.on.gif"; 	
	img4off = new Image();   
	img4off.src = "buttons/daily.off.gif"; 
	img5on = new Image();   
	img5on.src = "buttons/music.on.gif"; 	
	img5off = new Image();   
	img5off.src = "buttons/music.off.gif"; 		
	img6on = new Image();   
	img6on.src = "buttons/delegates.on.gif"; 	
	img6off = new Image();   
	img6off.src = "buttons/delegates.off.gif"; 
	img7on = new Image();   
	img7on.src = "buttons/legislative.on.gif"; 	
	img7off = new Image();   
	img7off.src = "buttons/legislative.off.gif"; 
	img8on = new Image();   
	img8on.src = "buttons/downloads.on.gif"; 	
	img8off = new Image();   
	img8off.src = "buttons/downloads.off.gif"; 
	img9on = new Image();   
	img9on.src = "buttons/articles.on.gif"; 	
	img9off = new Image();   
	img9off.src = "buttons/articles.off.gif"; 
}

function ImgChange(imgNum,imgSrc) {
	if (document.images) {
		document.images[imgNum].src = imgSrc;
	}
}