function imageswapper(id,imageswapper){
		
		
		//switch them all off
		var newImage = new Image();
		newImage = "userfiles/books/bighero/" + imageswapper; 
		
		document.getElementById(id).src = newImage;
		
		/*
		
		var newHeight = newImage.height;
		var newWidth = newImage.width;
		
		document.getElementById(id).style.width = newWidth;
		document.getElementById(id).style.height = newHeight;
		*/
		/*
		alert ('height: ' + newImage.height);
		alert ('width: ' + newImage.width);
		*/
		
}

function  hideselect(){
document.getElementByID('footer').style.display = "none";
}
function  showselect(){
document.getElementByID('footer').style.display = "block";
}