/**
 * @author Patrick Fong
 * 
 * Contains javscript functions to manipulate forms
 * 
 */

function toggleDiv(show, hide){
		showDiv(show);
		hideDiv(hide);
}

function swapMenu(hide, action){
	var show = 0;
	if (action == 'down') {
		show = Number(hide) + 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} else {
		show = hide - 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} 
	document.winelist.page.value = show;
	if(Number(hide) == 1)
		showDiv("topNav");
	if(show == 1)
		hideDiv("topNav");
	if(show == 9)
		hideDiv("botNav");
	else
		showDiv("botNav");
}
function swapSMenu(hide, action){
	
	var show = 0;
	if (action == 'down') {
		show = Number(hide) + 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} else {
		show = hide - 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} 
	document.winelist.page.value = show;
	if(Number(hide) == 1)
		showDiv("topNav");
	if(show == 1)
		hideDiv("topNav");
	if(show == 2)
		hideDiv("botNav");
	else
		showDiv("botNav");
}

function swapWine(hide, action){
	var show = 0;
	if (action == 'down') {
		show = Number(hide) + 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} else {
		show = hide - 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} 
	document.winelist.page.value = show;
	if(Number(hide) == 1)
		showDiv("topNav");
	if(show == 1)
		hideDiv("topNav");
	if(show == 7)
		hideDiv("botNav");
	else
		showDiv("botNav");
}
function swapFunctionMenu(hide, action){
	var show = 0;
	if (action == 'down') {
		show = Number(hide) + 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} else {
		show = hide - 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} 
	document.winelist.page.value = show;
	if(Number(hide) == 1)
		showDiv("topNav");
	if(show == 1)
		hideDiv("topNav");
	if(show == 2)
		hideDiv("botNav");
	else
		showDiv("botNav");
}
function swapFunctionMenu2(hide, action){
	var show = 0;
	if (action == 'down') {
		show = Number(hide) + 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} else {
		show = hide - 1;
		hideDiv("wine" + hide);
		showDiv("wine" + show);
	} 
	document.winelist.page.value = show;
	if(Number(hide) == 1)
		showDiv("topNav");
	if(show == 1)
		hideDiv("topNav");
	if(show == 3)
		hideDiv("botNav");
	else
		showDiv("botNav");
}
function hideDiv(divName) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(divName).style.display = 'none';
	} else {
		if (document.layers) { // Netscape 4
			document.hideShow.style.visibility = 'none';
	} else { // IE 4
		document.all.hideShow.style.display = 'none';
		}
	}
}

function showDiv(divName) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(divName).style.display = '';
	} else {
		if (document.layers) { // Netscape 4
			document.hideShow.display = '';
	} else { // IE 4
		document.all.hideShow.style.display = '';
		}
	}
}