// ## globalNav.js

// 	Contains the dynamic functionality for the drop down navigation found at the top of most templates.



// FUNCTION LIST:

// 	init();

// 	menuOn();

// 	menuOff();

//	menuLinkOn();

// 	menuLinkOff();

// 	linkSwap();

// 	arrowSwap();



// TEMPLATE(S) USED:

// 	brochure_request.html

// 	coming_veh.html

// 	contact.html

// 	corporate.html

// 	dealer_results.html

// 	gallery.html

// 	line_up.html

// 	main.html

// 	performance.html

// 	specs.html

// 	vehicles_home.html



var menuTimeout;

var currentMenu;

var menuTimeoutt;

var currentSubmenu;

var imgPathNav = "http://www.nissan.com.br/homologacao/images/menu/";	// Image path location for Global Nav menu images.

var imgPath = "http://www.nissan.com.br/images/";			// Image path location for all other images.

var navIsLoaded = false;



// Initializing the global navigation



// change init() to globalNavInit()

function init() {

	DynLayerInit()

	navIsLoaded = true;	// boolean to true when initialization is complete

}



// Display the dropdown menu.

// inputs: menuName  - name of the menu DIV layer without the Div.  ie. vehicles

// output: none

function menuOn(menuName) {
	var theMenu

	if (!navIsLoaded) return;	// check if initialization is complete

	if (menuTimeout) clearTimeout(menuTimeout);	// clear the timeout

	if (currentMenu) {			// hide the current menu
		theMenu = eval(currentMenu);
		theMenu.hide();
	}
	
	if (currentSubmenu) {			// hide the current menu
		theSubmenu = eval(currentSubmenu);
		theSubmenu.hide();
	}
	
	currentMenu = menuName;	

	theMenu = eval(currentMenu);

	theMenu.show();				// display menuName

	menuTimeout = setTimeout(currentMenu + '.hide()', 3000);		// set the timeout 

}


// Hides the dropdown menus

// inputs: menuName - name of the menu DIV layer without the Div.  ie. vehicles

// outputs: none

function menuOff(menuName) {
	if (!navIsLoaded) return	// check if initialization is complete
	if (menuTimeout) clearTimeout(menuTimeout)	// clear the current timeout
	menuTimeout = setTimeout(menuName + '.hide()', 330)		// set the new timeout
}


//Sub menu
function submenuOn(subName) {
	var theSubmenu
	if (!navIsLoaded) return;	// check if initialization is complete
	if (menuTimeout) clearTimeout(menuTimeout);	// clear the timeout
	currentSubmenu = subName;	
	theSubmenu = eval(currentSubmenu);
	theSubmenu.show();				// display menuName
	menuTimeout = setTimeout(currentSubmenu  + '.hide()', 3000);		// set the timeout 
}


function submenuOff(subName) {
	if (!navIsLoaded) return	// check if initialization is complete
	if (menuTimeoutt) clearTimeout(menuTimeoutt)	// clear the current timeout
	menuTimeoutt = setTimeout(subName + '.hide()', 330)		// set the new timeout
}


// Swaps the menu image to the ON state.

// input: imgName - name of the image to turn on

// output: swaps the image to the ON state
function menuLinkOn(imgName) {
	var theImage;
	if (menuTimeout) clearTimeout(menuTimeout);
	theImage = (is.ns4) ? eval("document.layers['" + currentMenu + "Div'].document.images['" + imgName + "']") : eval("document." + imgName);
	theImage.src = imgPathNav + "tnav_lnk_" + imgName + "_on.gif";

	if (currentSubmenu) {			// hide the current menu
		theSubmenu = eval(currentSubmenu);
		theSubmenu.hide();
	}

}

// Swaps the menu image to the OFF state.
function menuLinkOff(imgName) {
	var theImage;
	theImage = (is.ns4) ? eval("document.layers['" + currentMenu + "Div'].document.images['" + imgName + "']") : eval("document." + imgName);
	theImage.src = imgPathNav + "tnav_lnk_" + imgName + ".gif";
	menuOff(currentMenu);

}


//Menu curriculo
function menuCurrOn(imgName) {
	var theImage;

	if (menuTimeout) clearTimeout(menuTimeout);
	theImage = (is.ns4) ? eval("document.layers['" + currentMenu + "Div'].document.images['" + imgName + "']") : eval("document." + imgName);
	theImage.src = imgPathNav + "tnav_lnk_" + imgName + "_on.gif";

}

// Swaps the menu image to the OFF state.
function menuCurrOff(imgName) {
	var theImage;
	
	theImage = (is.ns4) ? eval("document.layers['" + currentMenu + "Div'].document.images['" + imgName + "']") : eval("document." + imgName);
	theImage.src = imgPathNav + "tnav_lnk_" + imgName + ".gif";
	menuOff(currentMenu);


}


function linkSwap(imgName, ON) {

	var theImage = eval("document." + imgName);

	theImage.src = imgPath + imgName + "_lnk" + ((ON) ? "_on":"") + ".gif"

}



// Swaps the arrow image.

// input: 	imgName - name of the image

//			ON - on or off state

function arrowSwap(linkName, ON, obj, obj2) {

	var theImage = 'document.'

	

	if (obj && is.ie) {

		theImage += 'all.'

	} else if (obj && is.ns) {

	 	theImage += obj + '.document.'

	} 

	

	if (obj2 && is.ns) {

		theImage += obj2 + '.document.'

	}



	theImage += linkName

	theImageObj = eval(theImage);



	theImageObj.src = imgPath + "g_arrow" + ((ON) ? "_on":"") + ".gif";

}





// Swaps the arrow image.

// input: 	imgName - name of the image

//			ON - on or off state

function arrowSwapUp(linkName, ON, obj, obj2) {

	var theImage = 'document.'

	

	if (obj && is.ie) {

		theImage += 'all.'

	} else if (obj && is.ns) {

	 	theImage += obj + '.document.'

	} 

	

	if (obj2 && is.ns) {

		theImage += obj2 + '.document.'

	}



	theImage += linkName

	theImageObj = eval(theImage);



	theImageObj.src = imgPath + "page_up" + ((ON) ? "_on":"") + ".gif";

}