var TwistieArray = new Array(0);
// var SwitchCount = -1;
// setInterval("AutoSwitch()", 1000);
function AutoSwitch() {
	if (SwitchCount == 0) {
		document.getElementById('mainWindow').style.display = 'inline';
		document.getElementById('altWindow').style.display = 'none';
	} else {
		SwitchCount = SwitchCount - 1;		
	}
}
function SwitchWindow(img,url,alt) {
	if (alt == null || alt == "undefined") alt = '';
	if (document.getElementById('mainWindow')) {
		document.getElementById('mainWindow').style.display = 'none';
		document.getElementById('altWindow').style.display = 'inline';
		document.getElementById('altWindow').innerHTML= '<a href="' + url + '" onMouseOver="SwitchCount=100;" onMouseOut="SwitchCount=5;"><img src="' + img + '" alt="' + alt+ '" border=0 height=300 width=420></a>';
		// SwitchCount = 5;
	}
}
function AddToCart(Doc,Index,Cat)   {
	frm = document.forms[0];
	SessionID = (GetCookie("Sid","Error") == "Error") ? SessionID: GetCookie("Sid");
	SetCookie("Sid",SessionID,1,"/");
	Sid = "&sid=" + GetCookie("Sid");
	DocID = "&docid=" + Doc;
	Cat = (Cat == null || Cat == "undefined") ? "&cat=1": "&cat=" + Cat;
	Qty = (eval('frm.Qty' + Index)) ? "&qty=" + eval('frm.Qty' + Index + '.value'): "&qty=1";
	if (Index == null || Index == "undefined") {
		Index = (eval('frm.Options' + Doc)) ? "&index=" + eval('frm.Options' + Doc + '.selectedIndex') : "&index=0";
	} else {
		Index = "&index=" + (Index-1);
	}
	URLstr = "https://" + location.hostname + "/" + tDbName + "/(AddToCart)?OpenAgent" + Sid + DocID + Cat + Index + Qty + "&EndVars";
	self.location = URLstr;
}
function ShowMyCart() {
	SessionID = (GetCookie("Sid","Error") == "Error") ? SessionID: GetCookie("Sid");
	SetCookie("Sid",SessionID,1,"/");
	Sid = "&sid=" + GetCookie("Sid");
	URLstr = "https://" + location.hostname + "/" + tDbName + "/frmShoppingCart?OpenForm" + Sid + "&EndVars";
	self.location = URLstr;
}
function SetImage(Index)  {
	URLstr = SetVar(self.location.toString(),'Img',Index);
	self.location = URLstr;	
}
function MarkRow(DocID, Marker)  {
	RowState = (DocID == tDocID || DocID == ExtraMarker) ? 'Selected': '';
	if (RowState == 'Selected')  {
		document.write(Marker);
	}
}
function MarkImages(DocID)  {
	RowState = (DocID == tDocID || DocID == ExtraMarker) ? 'Selected': '';
	if (document.images['x' + DocID] && RowState == 'Selected')  {
		ImageSrc = document.images['x' + DocID].src.toString()
		ImageSrc = ImageSrc.substring(0, ImageSrc.indexOf('-off')) + '-on' + ImageSrc.substring(ImageSrc.indexOf('-off') + 4, ImageSrc.length);
		document.images['x' + DocID].src = ImageSrc;
		TwistieArray[TwistieArray.length] = 'x' + DocID+ '~' + ImageSrc;
	}
}
function NSMarkImages()  {
	for (var i = 0; i < TwistieArray.length; i ++) {
		TwistieImage = TwistieArray[i].substring(TwistieArray[i].indexOf('x'), TwistieArray[i].indexOf('~'));
		ImageSrc = TwistieArray[i].substring(TwistieArray[i].indexOf('~') + 1, TwistieArray[i].length);
		document.images[TwistieImage].src = ImageSrc;
	}
}
function ReferFriend() {
	URLstr = SetVar('/' + tDbName + '/frmRefer?OpenForm','ID',tDocID);
	URLstr = SetVar(URLstr,'View',DspView);
	self.location = URLstr;
}
function HelpLookup() {
	Str = GetValue('Help','text');
	if (Str != 'Classroom...')  {
		Str = ReplaceChar(Str, ' ', '+');
		self.location = "/" + tDbName + "/vwHelp/" + Str + "?OpenDocument";
	}  else  {
		alert('You must select a help topic.');
		frm.Help.focus();
	}
}
function StringKey()   {
	tKey = document.forms[0].Query.value;   
	tKey = ReplaceChar(tKey,' ','');       
	tStr = "&Key&" + tKey;    
	return tStr; 
}
function SearchKey() {    
//	SrchStr = StringKey();   
//	URLStr = "/" + tDbName + "/(WebSrch)?OpenAgent" + SrchStr; 
//	self.location = URLStr;   
	document.forms["Search"].q.value = document.forms[0].Query.value;
	document.forms["Search"].submit(); 
}
function PopUpWin(URLstr)   {
	window.open(URLstr,"PopWin","width=460,height=360,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0")
}