/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj,t){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
		if(el.style.display != "block"){ //DynamicDrive.com change
			if (t==0)
			{			
				for (var i=0; i<ar.length; i++){
					if (ar[i].className=="submenu") //DynamicDrive.com change
					ar[i].style.display = "none";
				}
			}
			el.style.display = "block";
		}else{
			if (t==0)
			{
				el.style.display = "none";
			}
		}
	}
}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!="")
document.getElementById(cookievalue).style.display="block"
}
}

function savemenustate(){
var inc=1, blockid=""
while (document.getElementById("sub"+inc)){
if (document.getElementById("sub"+inc).style.display=="block"){
blockid="sub"+inc
break
}
inc++
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
window.onunload=savemenustate

function open_span()
{
	var DD=document;
	var i=1;

	while (DD.getElementById('sub'+i))
	{
		new_i='sub'+i;
		SwitchMenu(new_i,1);

		i++;
	}
}

function flevDivPositionValue(sDiv, sProperty) { // v2.1, Marja Ribbers-de Vroed, FlevOOware
	this.opera = (window.opera); // Opera 5+
	this.ns4 = (document.layers); // Netscape 4.x
	this.ns6 = (document.getElementById && !document.all && !this.opera); // Netscape 6+
	this.ie = (document.all);  // Internet Explorer 4+
    var sValue = ""; docObj = eval("MM_findObj('" + sDiv + "')"); if (docObj == null) {return 0;}
	if ((sProperty == "left") || (sProperty == "top")) {
		if (!this.ns4) {docObj = docObj.style;} 
		sValue = eval("docObj." + sProperty);
		if ((this.ie) && (sValue == "")) { // IE (on PC) bug with nested layers
			if (sProperty == "top") { sValue = eval(sDiv + ".offsetTop"); } 
			else { sValue = eval(sDiv + ".offsetLeft"); } 
		};
	}
	else {
		if (this.opera) {
			docObj = docObj.style;
			if (sProperty == "height") { sValue = docObj.pixelHeight; } 
			else if (sProperty == "width") { sValue = docObj.pixelWidth; } 
		}
		else if (this.ns4) {sValue = eval("docObj.clip." + sProperty);} 
		else if (this.ns6) {sValue = document.defaultView.getComputedStyle(docObj, "").getPropertyValue(sProperty); } 
	    else if (this.ie) { 
			if (sProperty == "width") { sValue = eval(sDiv + ".offsetWidth"); } 
			else if (sProperty == "height") { sValue = eval(sDiv + ".offsetHeight"); } 
		}
   	}
	sValue = (sValue == "") ? 0 : sValue; 
	if (isNaN(sValue)) { if (sValue.indexOf('px') > 0) { sValue = sValue.substring(0,sValue.indexOf('px')); } } 
	return parseInt(sValue); 
}

function flevPersistentLayer() { // v3.3, Marja Ribbers-de Vroed, FlevOOware
	var sD = arguments[0], oD = eval("MM_findObj('" + sD + "')"), iWW, iWH, iSX, iSY, iT = 10, sS = "";
	if (!document.layers) {oD = oD.style;}
	if (oD.tmpTimeout != null) {clearTimeout(oD.tmpTimeout);}
	var sXL = arguments[1], sXC = arguments[2], sXR = arguments[3], sYT = arguments[4], sYC = arguments[5], sYB = arguments[6];
	var iS = (arguments.length > 7) ? parseInt(arguments[7]) : 0, iPx = (arguments.length > 8) ? parseInt(arguments[8]) : 0;
	if (window.innerWidth) { // NS4, NS6 and Opera
		var oW = window; iWW = oW.innerWidth; iWH = oW.innerHeight; iSX = oW.pageXOffset; iSY = oW.pageYOffset; }
	else if (document.documentElement && document.documentElement.clientWidth) { // IE6 in standards compliant mode
		var oDE = document.documentElement; iWW = oDE.clientWidth; iWH = oDE.clientHeight; iSX = oDE.scrollLeft; iSY = oDE.scrollTop; }
	else if (document.body) { // IE4+
		var oDB = document.body; iWW = oDB.clientWidth; iWH = oDB.clientHeight; iSX = oDB.scrollLeft; iSY = oDB.scrollTop; }
	else {return;}
	var iCX = iNX = flevDivPositionValue(sD, 'left'), iCY = iNY = flevDivPositionValue(sD, 'top');
	if (sXL != "") {iNX = iSX + parseInt(sXL);} 
	else if (sXC != "") {iNX = Math.round(iSX + (iWW/2) - (flevDivPositionValue(sD, 'width')/2));}
	else if (sXR != "") {iNX = iSX + iWW - (flevDivPositionValue(sD, 'width') + parseInt(sXR));}
	if (sYT != "") {iNY = iSY + parseInt(sYT);}
	else if (sYC != "") {iNY = Math.round(iSY + (iWH/2) - (flevDivPositionValue(sD, 'height')/2));}
	else if (sYB != "") {iNY = iSY + (iWH - flevDivPositionValue(sD, 'height') - parseInt(sYB));}
	if ((iCX != iNX) || (iCY != iNY)) {
		if (iS > 0) {
			if (iPx > 0) { iT = iS;
				var iPxX = iPx, iPxY = iPx, iMX = Math.abs(iCX - iNX), iMY = Math.abs(iCY - iNY);
				// take care of diagonal movement
				if (iMX < iMY) {iPxY = (iMX != 0) ? ((iMY/iMX)*iPx) : iPx;}
				else {iPxX = (iMY != 0) ? ((iMX/iMY)*iPx) : iPx;}
				if (iPxX >= iMX) {iPxX = Math.min(Math.ceil(iPxX), iPx);}
				if (iPxY >= iMY) {iPxY = Math.min(Math.ceil(iPxY), iPx);}
				// temporary X/Y coordinates
				if ((iCX < iNX) && (iCX + iPxX < iNX)) {iNX = iCX + iPxX;}
				if ((iCX > iNX) && (iCX - iPxX > iNX)) {iNX = iCX - iPxX;}
				if ((iCY < iNY) && (iCY + iPxY < iNY)) {iNY = iCY + iPxY;}
				if ((iCY > iNY) && (iCY - iPxY > iNY)) {iNY = iCY - iPxY;} }
			else { 
				var iMX = ((iNX - iCX) / iS), iMY = ((iNY - iCY) / iS); 
				iMX = (iMX > 0) ? Math.ceil(iMX) : Math.floor(iMX); iNX = iCX + iMX; 
				iMY = (iMY > 0) ? Math.ceil(iMY) : Math.floor(iMY); iNY = iCY + iMY; } }
		if ((parseInt(navigator.appVersion)>4 || navigator.userAgent.indexOf("MSIE")>-1) && (!window.opera)) {sS="px";}
		if (iMX != 0) {eval("oD.left = '" + iNX + sS + "'");}
		if (iMY != 0) {eval("oD.top = '" + iNY + sS + "'");} }
	var sF = "flevPersistentLayer('" + sD + "','" + sXL + "','" + sXC + "','" + sXR + "','" + sYT + "','" + sYC + "','" + sYB + "'," + iS + "," + iPx + ")";
	oD.tmpTimeout = setTimeout(sF,10);
}

function flevInitPersistentLayer() { // v3.3, Marja Ribbers-de Vroed, FlevOOware
	if (arguments.length < 8) {return;}
	var sD = arguments[0]; if (sD == "") {return;}
	var	oD = eval("MM_findObj('" + sD + "')"); if (!oD) {return;}
	var iCSS = parseInt(arguments[1]);
	var sXL = arguments[2], sXC = arguments[3], sXR = arguments[4], sYT = arguments[5], sYC = arguments[6], sYB = arguments[7];
	var iS = (arguments.length > 8) ? parseInt(arguments[8]) : 0, iPx = (arguments.length > 9) ? parseInt(arguments[9]) : 0;
	if (iCSS != 0) { if (!document.layers) {oD = oD.style;} sXL = parseInt(oD.left), sYT = parseInt(oD.top);}
	var sF = "flevPersistentLayer('" + sD + "','" + sXL + "','" + sXC + "','" + sXR + "','" + sYT + "','" + sYC + "','" + sYB + "'," + iS + "," + iPx + ")";
	eval(sF);
}