/*Copyright 2000-01 by molvisions.com. Please do not copy without permission.*/

var this_module;

function checkRequired()  {
	var state = "";
	var pluginStatus = false;
	var pluginVersion = false;
	if (getClient().indexOf("mac") == -1) {if (getClient().indexOf("win") == -1) state += "platform+"; else state += "+";}
	else state += "+";
	if (getBrowser().indexOf("netscape") == -1) state += "browser+"; else state += "+";
	if (getClient().indexOf("4.") == -1) state += "bversion+"; else {if (getClient().indexOf("4.0") != -1) state += "bversion+"; else state += "+";}
	if (getClient().indexOf("msie 4") == -1) {
		for (var i=0;i<navigator.plugins.length;i++)  {
			var plug = navigator.plugins[i].name.toLowerCase();
			if (plug.indexOf("chime ") != -1) {
				pluginStatus = true;
				if (plug.indexOf("2.") != -1) pluginVersion = true;
			}
		}
	}
	if (!pluginStatus) state += "plugin+"; else state += "+";
	if (!pluginVersion) state += "pversion+"; else state += "+";
	if (!navigator.javaEnabled()) state += "java+"; else state += "+";
	if (state.length < 7) state = "okay";
	return state;
}

function checkSystem()  {
	var w = 620;
	var h = 470;
	var state = checkRequired();
	if (state == "okay") eval("status_win = window.open('statusok.html','status_winC','width=300,height=250,screenX="+getXposition(300)+",screenY="+getYposition(250)+",scrollbars=1,menubar=0,toolbar=0,status=0,resizable=0')");
	else {
		state = escape(state+"+tutorialsupport@worthpub.com");
		status_win = eval("window.open('bin3d_accesserror.html?"+state+"','status_winC','width="+w+",height="+h+",screenX="+getXposition(w)+",screenY="+getYposition(h)+",scrollbars=1,menubar=0,toolbar=0,status=0,resizable=0')");
	}
}

function checkForValid(n) {
	letters = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");
	numbers = new Array("0","1","2","3","4","5","6","7","8","9");
	special = new Array(" ","-","_","(",")","[","]","{","}",",",";",":","$","%","&","*",".");
	for (var i=0;i<letters.length; i++) if (n == letters[i]) return true;
	for (var i=0;i<numbers.length; i++) if (n == numbers[i]) return true;
	for (var i=0;i<special.length; i++) if (n == special[i]) return true;
	return false;
}

function addModule()  {
	var valid = false;
	title_array = document.addForm.add_title.value.split("");
	folder_array = document.addForm.add_folder.value.split("");
/*
	if (folder_array.length != 4) {
		alert("The folder name must be EXACTLY four alphanumeric characters. Please reenter.");
		document.addForm.add_folder.focus();
		document.addForm.add_folder.select();
		return;
	}
*/
	for (var i=0;i<title_array.length;i++) {
		valid = checkForValid(title_array[i].toLowerCase());
		if (!valid) break;
	}
	if ((document.addForm.add_title.value == "") || (document.addForm.add_title.value == " ")) valid = false;
	if (!valid) {
		alert("Please enter a valid title for the new module. Do not use the following reserved symbols:\r!, @, #,^\rsingle or double quotes\rforward or back slashes");
		document.addForm.add_title.focus();
		document.addForm.add_title.select();
		return;
	}
	for (var i=0;i<folder_array.length;i++) {
		valid = checkForValid(folder_array[i].toLowerCase());
		if (!valid) break;
	}
	if ((document.addForm.add_folder.value == "") || (document.addForm.add_folder.value == " ")) valid = false;
	if (!valid) {
		alert("Please enter a valid folder name for the new module. Do not use the following reserved symbols:\r!, @, #,^\rsingle or double quotes\rforward or back slashes");
		document.addForm.add_folder.focus();
		document.addForm.add_folder.select();
		return;
	}
	if (valid) {
		moduleNumber++;
		title[moduleNumber-1] = document.addForm.add_title.value;
		folder[moduleNumber-1] = document.addForm.add_folder.value;
		writeToCookie();
		location.reload();
	}
}

function removeModule()  {
	var match = false;
	var title_entry = document.addForm.add_title.value.toLowerCase();
	var folder_entry = document.addForm.add_folder.value.toLowerCase();
	for (var i=0;i<folder.length;i++) {
		if (folder[i].toLowerCase() == folder_entry) {match = true;break;}
		if (title[i].toLowerCase() == title_entry) {match = true;break;}
	}
	if (!match) {
		alert("No such module exists! To remove a module, enter either a title or a folder name from the list above.");
		return;
	}
	else {
		for (var i=0;i<folder.length;i++) {
			if ((folder[i].toLowerCase() == folder_entry) || (title[i].toLowerCase() == title_entry)) {
				folder.splice(i,1);
				title.splice(i,1);
			}
		}
	}
	moduleNumber--;
	writeToCookie();
	location.reload();
}

function openTopic()	{
}

function openModule(mod) {
	var state = checkRequired();
	if (state == "okay") {
		this_module = mod;
		var target = "module_fs.html";
		//var target = "module_fs.html?"+escape(topic+"+"+chapter+"+"+title);
		eval(mod+"_win = window.open('"+target+"','"+mod+"_win','width="+getFullScreenWidth()+",height="+getFullScreenHeight()+",screenX="+getXposition(getFullScreenWidth())+",screenY="+getYposition(getFullScreenHeight())+",scrollbars=1,menubar=0,toolbar=0,status=0,resizable=0')");
		eval(mod+"_win.focus()");
	}
	else {
		if (navigator.appName != "Netscape") still_win = window.open('stills/index.html','still_winX');
		else {
			var w = 620;
			var h = 470;
			state = escape(state+"+tutorialsupport@worthpub.com");
			status_win = eval("window.open('bin3d_accesserror.html?"+state+"','status_winX','width="+w+",height="+h+",screenX="+getXposition(w)+",screenY="+getYposition(h)+",scrollbars=1,menubar=0,toolbar=0,status=0,resizable=0')");
		}
	}
}

function changeRoll(content) {
	parent.ftitle.document.rollbox.src="images/rollover"+content+".gif";
}

function openProtArch() {
	if (checkRequired()) parent.location.href="lold/index.html";
	else  {
		if (navigator.appName == "Netscape") status_win = window.open('statusno.html','status_winX','width=300,height=300,screenX=10,screenY=10,scrollbars=1,menubar=0,toolbar=0,status=1,resizable=0');
		else {
			var source = "stills/index.html";
			still_win = window.open(source,'still_winC');
		}
	}
}

function openHelp(helpPage)  {
	var folder = "help/";
	if (site == "ecs") folder = "ehelp/";
	var source = folder.concat(helpPage).concat(".html");
	var w = 620;
	var h = 470;
	help_win = eval("window.open('"+source+"','help_winX','width="+w+",height="+h+",screenX="+getXposition(w)+",screenY="+getYposition(h)+",scrollbars=1,menubar=0,toolbar=0,status=1,resizable=0')");
	help_win.focus();
}

/*  File 'index_fcns.js' written by Timothy Driscoll.  */
/*  Latest revision February 22, 2001 */