/*
 Initialize and render the MenuBar when its elements are ready 
 to be scripted.
*/

YAHOO.util.Event.onContentReady("productsandservices", function () {

/*
			Instantiate a MenuBar:  The first argument passed to the constructor
			is the id for the Menu element to be created, the second is an 
			object literal of configuration properties.
*/

var oMenuBar = new YAHOO.widget.MenuBar("productsandservices", { 
					    autosubmenudisplay: true, 
					    hidedelay: 750, 
					    lazyload: true });

/*
     Define an array of object literals, each containing 
     the data necessary to create a submenu.
*/

var aSubmenuData = [

    {
	id: "home", 
	itemdata: [
	]    
    },

    {
	id: "stations", 
	itemdata: [ 
	    { text: "KCDY 104.1 FM", url: "kcdy.php" },
	    { text: "KATK 92.1 FM", url: "katk_fm.php" },
	    { text: "KATK 740 AM", url: "katk.php" },
	    { text: "KAMQ 1240 AM", url: "kamq.php" },
/*
	    {
		text: "PIM", 
		submenu: { 
			    id: "pim", 
			    itemdata: [
				{ text: "Yahoo! Mail", url: "http://mail.yahoo.com" },
				{ text: "Yahoo! Address Book", url: "http://addressbook.yahoo.com" },
				{ text: "Yahoo! Calendar",  url: "http://calendar.yahoo.com" },
				{ text: "Yahoo! Notepad", url: "http://notepad.yahoo.com" }
			    ] 
			}
	    
	    }, 
*/
	]
    },

    {
	id: "sales", 
	itemdata: [
	    { text: "Rate Information", url: "rates.php" },
	]    
    },
    
    {
	id: "about", 
	itemdata: [
	    { text: "Contact Us", url: "contact.php" },
	    { text: "Directions", url: "map.php" },
	] 
    },
    
    {
	id: "information",
	itemdata: [
	    { text: "Sports Broadcasts", url: "sports.php" },
	    { text: "Weather", url: "weather.php" },
	    { text: "Want Ads", url: "wantads.php" },
/*	    { text: "Auctions", url: "auction/index.php" },*/
	    { text: "Auctions", url: "onairauctions.php" },
	    { text: "Event Photos", url: "http://photos.carlsbadradio.com" },
	]
    }                    
];


var ua = YAHOO.env.ua,
    oAnim;  // Animation instance


/*
     "beforeshow" event handler for each submenu of the MenuBar
     instance, used to setup certain style properties before
     the menu is animated.
*/

function onSubmenuBeforeShow(p_sType, p_sArgs) {

    var oBody,
	oElement,
	oShadow,
	oUL;


    if (this.parent) {

	oElement = this.element;

	/*
	     Get a reference to the Menu's shadow element and 
	     set its "height" property to "0px" to syncronize 
	     it with the height of the Menu instance.
	*/

	oShadow = oElement.lastChild;
	oShadow.style.height = "0px";

	
	/*
	    Stop the Animation instance if it is currently 
	    animating a Menu.
	*/ 
    
	if (oAnim && oAnim.isAnimated()) {
	
	    oAnim.stop();
	    oAnim = null;
	
	}


	/*
	    Set the body element's "overflow" property to 
	    "hidden" to clip the display of its negatively 
	    positioned <ul> element.
	*/ 

	oBody = this.body;


	//  Check if the menu is a submenu of a submenu.

	if (this.parent && 
	    !(this.parent instanceof YAHOO.widget.MenuBarItem)) {
	

	    /*
		There is a bug in gecko-based browsers and Opera where 
		an element whose "position" property is set to 
		"absolute" and "overflow" property is set to 
		"hidden" will not render at the correct width when
		its offsetParent's "position" property is also 
		set to "absolute."  It is possible to work around 
		this bug by specifying a value for the width 
		property in addition to overflow.
	    */

	    if (ua.gecko || ua.opera) {
	    
		oBody.style.width = oBody.clientWidth + "px";
	    
	    }
	    
	    
	    /*
		Set a width on the submenu to prevent its 
		width from growing when the animation 
		is complete.
	    */
	    
	    if (ua.ie == 7) {

		oElement.style.width = oElement.clientWidth + "px";

	    }
	
	}


	oBody.style.overflow = "hidden";


	/*
	    Set the <ul> element's "marginTop" property 
	    to a negative value so that the Menu's height
	    collapses.
	*/ 

	oUL = oBody.getElementsByTagName("ul")[0];

	oUL.style.marginTop = ("-" + oUL.offsetHeight + "px");
    
    }

}


/*
    "tween" event handler for the Anim instance, used to 
    syncronize the size and position of the Menu instance's 
    shadow and iframe shim (if it exists) with its 
    changing height.
*/

function onTween(p_sType, p_aArgs, p_oShadow) {

    if (this.cfg.getProperty("iframe")) {
    
	this.syncIframe();

    }

    if (p_oShadow) {

	p_oShadow.style.height = this.element.offsetHeight + "px";
    
    }

}


/*
    "complete" event handler for the Anim instance, used to 
    remove style properties that were animated so that the 
    Menu instance can be displayed at its final height.
*/

function onAnimationComplete(p_sType, p_aArgs, p_oShadow) {

    var oBody = this.body,
	oUL = oBody.getElementsByTagName("ul")[0];

    if (p_oShadow) {
    
	p_oShadow.style.height = this.element.offsetHeight + "px";
    
    }


    oUL.style.marginTop = "";
    oBody.style.overflow = "";
    

    //  Check if the menu is a submenu of a submenu.

    if (this.parent && 
	!(this.parent instanceof YAHOO.widget.MenuBarItem)) {


	// Clear widths set by the "beforeshow" event handler

	if (ua.gecko || ua.opera) {
	
	    oBody.style.width = "";
	
	}
	
	if (ua.ie == 7) {

	    this.element.style.width = "";

	}
    
    }
    
}


/*
     "show" event handler for each submenu of the MenuBar 
     instance - used to kick off the animation of the 
     <ul> element.
*/

function onSubmenuShow(p_sType, p_sArgs) {

    var oElement,
	oShadow,
	oUL;

    if (this.parent) {

	oElement = this.element;
	oShadow = oElement.lastChild;
	oUL = this.body.getElementsByTagName("ul")[0];
    

	/*
	     Animate the <ul> element's "marginTop" style 
	     property to a value of 0.
	*/

	oAnim = new YAHOO.util.Anim(oUL, 
	    { marginTop: { to: 0 } },
	    .5, YAHOO.util.Easing.easeOut);


	oAnim.onStart.subscribe(function () {

	    oShadow.style.height = "100%";
	
	});


	oAnim.animate();


	/*
	    Subscribe to the Anim instance's "tween" event for 
	    IE to syncronize the size and position of a 
	    submenu's shadow and iframe shim (if it exists)  
	    with its changing height.
	*/

	if (YAHOO.env.ua.ie) {
	    
	    oShadow.style.height = oElement.offsetHeight + "px";


	    /*
		Subscribe to the Anim instance's "tween"
		event, passing a reference Menu's shadow 
		element and making the scope of the event 
		listener the Menu instance.
	    */

	    oAnim.onTween.subscribe(onTween, oShadow, this);

	}


	/*
	    Subscribe to the Anim instance's "complete" event,
	    passing a reference Menu's shadow element and making 
	    the scope of the event listener the Menu instance.
	*/

	oAnim.onComplete.subscribe(onAnimationComplete, oShadow, this);
    
    }

}


/*
     Subscribe to the "beforerender" event, adding a submenu 
     to each of the items in the MenuBar instance.
*/

oMenuBar.subscribe("beforeRender", function () {

			var nSubmenus = aSubmenuData.length,
				i;


    if (this.getRoot() == this) {

				for (i = 0; i < nSubmenus; i++) {
		this.getItem(i).cfg.setProperty("submenu", aSubmenuData[i]);
				}

    }

});


/*
     Subscribe to the "beforeShow" and "show" events for 
     each submenu of the MenuBar instance.
*/

oMenuBar.subscribe("beforeShow", onSubmenuBeforeShow);
oMenuBar.subscribe("show", onSubmenuShow);


/*
     Call the "render" method with no arguments since the 
     markup for this MenuBar instance is already exists in 
     the page.
*/

oMenuBar.render();         

});