function pagerAdd(){
	//document.write("test pager <br />");
	var n = Number(document.getElementById('pagenumber').innerHTML);
	if (n!=3){
		document.getElementById('pagenumber').innerHTML = n + 1;
	}
	//document.getElementById("myimage").setAttribute("src","another.gif")
}

function pagerSubstract(){
	//document.write("test pager <br />");
	var n = Number(document.getElementById('pagenumber').innerHTML);
	if (n!=1){
		document.getElementById('pagenumber').innerHTML = n - 1;
	}	
	//document.getElementById("myimage").setAttribute("src","another.gif")
}

function setImageTitle(title0){
	div = document.getElementById('imageTitle');
	div.innerHTML = title0;
}

function hideImageTitle(){
	div = document.getElementById('imageTitle');
	div.innerHTML = '';
}