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");        
	}	
}

if (document.images) {
	imgNav1on = new Image();
	imgNav1on.src = "/film/advertorial/sleuth/images/1_about_on.jpg";  
	imgNav2on = new Image();
	imgNav2on.src = "/film/advertorial/sleuth/images/2_trailer_on.jpg";  	
	imgNav3on = new Image();
	imgNav3on.src = "/film/advertorial/sleuth/images/3_win_on.jpg"; 
	
	imgNav1off = new Image();
	imgNav1off.src = "/film/advertorial/sleuth/images/1_about_off.jpg";  
	imgNav2off = new Image();
	imgNav2off.src = "/film/advertorial/sleuth/images/2_trailer_off.jpg";  
	imgNav3off = new Image();
	imgNav3off.src = "/film/advertorial/sleuth/images/3_win_off.jpg"; 
}