//zmg, 03.01.01

//this file needs a better description!

//

//











// Utility functions









// FIle: actions_misc.txt

// Description: Miscellenous functions





// utility_hideAll()

// IN : None

// DO : Hide all unutilized movie clips

// OUT: None

function utility_hideAll() {

	_root.Instructions._visible = false;

	_root.Topology._visible = false;

	_root.Done._visible = false;

}









// utility_updateText()

// IN : None

// DO : Updates text for Menu buttons (i.e. hide/show instructions, toplogy, done)

// OUT: None

function utility_updateText() {





	tellTarget("Menu") {



		instructiontext = "Show Instructions";

		topologytext = "Show Topology";

		donetext = "Show Done";

	}

}









// utility_setVisible(b)

// IN : The router object that is to be set

// DO : Sets visibility of buttons for Routers and the screen

// OUT: None

function utility_setVisible(b) {



	// set the visibility of the router's menu button to true

	with(eval("_root.Menu.m" + b)) {

		_visible = true;

	}



	// set the visibility of the router's hyperterminal to false

	with(eval("_root.HyperTerminal.s" + b)) {

		_visible = false;

	}

}









// ***** utility_randomMAC() *****

// IN : None

// DO : Calculates a random 12-digit MAC address in the following hex format:

//		0060.5cf4.c677

// OUT:	Returns the random address generated

function utility_randomMAC() {





	// an array of possible hex numerals

	var hex = new Array("0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f");



	var mac = ""; // container for the random address



	// pull 12 random elements out of the hex array

	// put a '.' seperator between each group of four

	for (var i=0; i<12; i++)

	{

		mac += hex[Math.round(Math.random()*15)];



		// adding the '.' seperator after the 4th and 8th numerals

		if(i == 3 || i == 7)

			mac += ".";

	}



	return mac;

}







function utility_switchToNewRouter() {



	//the visible router isnt telnetted anywhere,

	//switch over to this new router like normal



	// turning on the correct router

	if (BUTTONROUTER == "RouterA") {



		// turn visibility to nil

		_root.Menu.mRouterA._visible = false;

		_root.HyperTerminal.sRouterA._visible = true;

		_root.utility_setVisible(_root.VISIBLE_ROUTER);



 		_root.active_router = "RouterA";

		_root.VISIBLE_ROUTER = "RouterA";

		_root.utility_hideAll();

		_root.utility_updateText();



		_root.router_startup_checkStartUp();

		_root.output_setCursor();



	} else if (BUTTONROUTER == "RouterB") {

		// turn visibility to nil

		_root.Menu.mRouterB._visible = false;

		_root.HyperTerminal.sRouterB._visible = true;

		_root.utility_setVisible(_root.VISIBLE_ROUTER);



		_root.active_router = "RouterB";

		_root.VISIBLE_ROUTER = "RouterB";

		_root.utility_hideAll();

		_root.utility_updateText();



		_root.router_startup_checkStartUp();

		_root.output_setCursor();



	} else if (BUTTONROUTER == "RouterC") {

		// turn visibility to nil

		_root.Menu.mRouterC._visible = false;

		_root.HyperTerminal.sRouterC._visible = true;

		_root.utility_setVisible(_root.VISIBLE_ROUTER);



		_root.active_router = "RouterC";

		_root.VISIBLE_ROUTER = "RouterC";

		_root.utility_hideAll();

		_root.utility_updateText();



		_root.router_startup_checkStartUp();

		_root.output_setCursor();



	} else if (BUTTONROUTER == "RouterD") {

		// turn visibility to nil

		_root.Menu.mRouterD._visible = false;

		_root.HyperTerminal.sRouterD._visible = true;

		_root.utility_setVisible(_root.VISIBLE_ROUTER);



		_root.active_router = "RouterD";

		_root.VISIBLE_ROUTER = "RouterD";

		_root.utility_hideAll();

		_root.utility_updateText();



		_root.router_startup_checkStartUp();

		_root.output_setCursor();



	} else if (BUTTONROUTER == "RouterE") {

		// turn visibility to nil

		_root.Menu.mRouterE._visible = false;

		_root.HyperTerminal.sRouterE._visible = true;

		_root.utility_setVisible(_root.VISIBLE_ROUTER);



		_root.active_router = "RouterE";

		_root.VISIBLE_ROUTER = "RouterE";

		_root.utility_hideAll();

		_root.utility_updateText();



		_root.router_startup_checkStartUp();

		_root.output_setCursor();

	}



}