function box_toggle(id){
	var elem = document.getElementById(id);
	if (elem){
		if (elem.style.display != 'none'){
			elem.style.display = 'none';
		} else {
			elem.style.display = 'block';
		}
	}
}

function kt_switchImage(imgName, imgSrc) { 	
	if (document.images) { 		
		if (imgSrc != "none") { 			
			document.images[imgName].src = imgSrc; 
		} 
	} 
}