function growNr(idNr)
{	 
	document.getElementById(idNr).className="pageNrOver";
}

function shrinkNr(idNr)
{
	var currentPageNr = document.getElementById("pageNumber").value;	
	if ("nr"+currentPageNr != idNr)
		document.getElementById(idNr).className="pageNr";
}

function nextPage() { 
	if (document.getElementById) { // DOM3 = IE5, NS6 	
	var currentPageNr=document.getElementById("pageNumber").value;
	Effect.SlideUp("page"+currentPageNr);
	
	document.getElementById("nr"+currentPageNr).className="pageNr";
	
	var nextPageNr=parseInt(currentPageNr)+1;
	if (nextPageNr>8)
	{
		nextPageNr=1;
	}
	
	Effect.SlideDown("page"+nextPageNr);

	document.getElementById("nr"+nextPageNr).className="pageNrOver";


	document.getElementById("pageNumber").value=nextPageNr;
	} 
} 


function changePage(id) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 	
	var currentPageNr=document.getElementById("pageNumber").value;
	if (currentPageNr != id)
	{
		Effect.DropOut("page"+currentPageNr);
			
		Effect.Appear("page"+id);

		document.getElementById("nr"+currentPageNr).className="pageNr";
		document.getElementById("nr"+id).className="pageNrOver";

		document.getElementById("pageNumber").value=id;
	}
	} 
} 

function hidediv(a_div) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 	
	var currentPage=document.getElementById("pageNumber");
	alert(currentPage.value);
	Effect.SlideUp(a_div);
//		document.getElementById(a_div).style.visibility = 'hidden'; 
	} 
} 

function showdiv(a_div) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
	Effect.BlindDown(a_div);
//		document.getElementById(a_div).style.visibility = 'visible'; 
	} 
}

function changediv(a_div) {	
	if (document.getElementById) { // DOM3 = IE5, NS6 
			alert(document.getElementById(a_div).style.visibility);
		if (document.getElementById(a_div).style.visibility = 'visible') {			
			document.getElementById(a_div).style.visibility = 'hidden'; 			
		}
		else {
			document.getElementById(a_div).style.visibility = 'visible'; 
		}
	} 	
}

function toggleDisplay(a_div){
		if (document.getElementById(a_div).style.display=="block"){
			document.getElementById(a_div).style.display="inline";
			alert("Text is now 'inline'.");
			}
		else {
			if (document.getElementById(a_div).style.display=="inline"){
				document.getElementById(a_div).style.display="none";				
				}
			else {
				document.getElementById(a_div).style.display="block";
				alert("Text is now 'block'.");
				}
			}
		}