/*** SET BUTTON'S FOLDER HERE ***/
var buttonFolder = "images/";

/*** SET THE YEARS TO SHOW IN THE ACTIVITIES SUB MENU HERE ***/
var minyear = 2002;
var maxyear = 2007;

/*** SET BUTTONS' FILENAMES HERE ***/
upSources = new Array("button1up.png","button2up.png","button3up.png","button4up.png","button5up.png");
overSources = new Array("button1over.png","button2over.png","button3over.png","button4over.png","button5over.png");

// SUB MENUS DECLARATION, YOU DONT NEED TO EDIT THIS
SubInfo = new Array();
SubInfo[1] = new Array();
SubInfo[2] = new Array();
SubInfo[3] = new Array();
SubInfo[4] = new Array();
SubInfo[5] = new Array();

//*** SET SUB MENUS TEXT LINKS AND TARGETS HERE ***//
createActivitiesSubmenu(minyear,maxyear)

//*** SET SUB MENU POSITION ( RELATIVE TO BUTTON ) ***//
var xSubOffset = 32;
var ySubOffset = 24;

//*** NO MORE SETTINGS BEYOND THIS POINT ***//
var overSub = false;
var delay = 1000;
totalButtons = upSources.length;

// GENERATE SUB MENUS
for ( x=0; x<totalButtons; x++) {
	// SET EMPTY DIV FOR BUTTONS WITHOUT SUBMENU
	if ( SubInfo[x+1].length < 1 ) { 
		document.write('<div id="submenu' + (x+1) + '">');
	// SET DIV FOR BUTTONS WITH SUBMENU
	} else {
		document.write('<div id="submenu' + (x+1) + '" class="dropmenu" ');
		document.write('onMouseOver="overSub=true;"');
		document.write('onMouseOut="overSub=false;');
		document.write('setTimeout(\'hideSubMenu(\\\'submenu' + (x+1) + '\\\')\',delay);">');
		document.write('<ul>');
		for ( k=0; k<SubInfo[x+1].length-1; k++ ) {
			document.write('<li>');
			document.write('<a href="' + SubInfo[x+1][k+1][1] + '" ');
			document.write('onMouseOver="swapimage(' + SubInfo[x+1][k+1][2] + ',' + SubInfo[x+1][k+1][4] + ')" ');
			document.write('onMouseOut="swapimage(' + SubInfo[x+1][k+1][3] + ',' + SubInfo[x+1][k+1][4] + ')">');
			document.write( SubInfo[x+1][k+1][0] + '</a>');
			document.write('</li>');
		}
		document.write('</ul>');
	}
	document.write('</div>');
}

// PRELOAD MAIN MENU BUTTON IMAGES
for ( x=0; x<totalButtons; x++ ) {
	buttonUp = new Image();
	buttonUp.src = buttonFolder + upSources[x];
	buttonOver = new Image();
	buttonOver.src = buttonFolder + overSources[x];
}

//*** MAIN MENU FUNCTIONS ***//
// SET MOUSEOVER BUTTON
function setOverImg(But) {
	document.getElementById('button' + But).src = buttonFolder + overSources[But-1];
}

// SET MOUSEOUT BUTTON
function setOutImg(But) {
	document.getElementById('button' + But).src = buttonFolder + upSources[But-1];
}

//*** SUB MENU FUNCTIONS ***//
// GET ELEMENT ID MULTI BROWSER
function getElement(id) {
	return document.getElementById ? document.getElementById(id) : document.all ? document.all(id) : null; 
}

function swapimage(image,button) {
	document.getElementById(button).src = image;
}

// GET X COORDINATE
function getRealLeft(id) { 
	var el = getElement(id);
	if (el) { 
		xPos = el.offsetLeft;
		tempEl = el.offsetParent;
		while (tempEl != null) {
			xPos += tempEl.offsetLeft;
			tempEl = tempEl.offsetParent;
		} 
		return xPos;
	} 
} 

// GET Y COORDINATE
function getRealTop(id) {
	var el = getElement(id);
	if (el) { 
		yPos = el.offsetTop;
		tempEl = el.offsetParent;
		while (tempEl != null) {
			yPos += tempEl.offsetTop;
			tempEl = tempEl.offsetParent;
		}
		return yPos;
	}
}

// MOVE OBJECT TO COORDINATE
function moveObjectTo (objectID,x,y) {
	var el = getElement(objectID);
	el.style.left = x;
	el.style.top = y;
}

// MOVE SUBMENU TO CORRESPONDING BUTTON
function showSubMenu(subID, buttonID) {
	hideAllSubMenus();
	butX = getRealLeft(buttonID);
	butY = getRealTop(buttonID);
	moveObjectTo(subID,butX+xSubOffset, butY+ySubOffset);
}

// HIDE ALL SUB MENUS
function hideAllSubMenus() {
	for ( x=0; x<totalButtons; x++) {
		moveObjectTo("submenu" + (x+1),-400, 100 );
	}
}

// HIDE ONE SUB MENU
function hideSubMenu(subID) {
	if ( overSub == false ) {
		moveObjectTo(subID,-400, 100);
	}
}

//DYNAMICALLY CREATE THE YEAR ACTIVITIES SUBMENU
function createActivitiesSubmenu(minyear,maxyear){
	var lowyear = "";
	var highyear = "";
	for(i=0;i<maxyear-minyear;i++) {
		highyear = formatShortYear(maxyear-(2000+i));
		lowyear = formatShortYear(maxyear-(2001+i));
		SubInfo[4][i+1] = new Array("<img name='but"+lowyear+highyear+"' id='but"+lowyear+highyear+"' src='images/"+lowyear+"-"+highyear+"up.png' border='0'>","activities_"+lowyear+highyear+".php","'images/"+lowyear+"-"+highyear+"over.png'","'images/"+lowyear+"-"+highyear+"up.png'","'but"+lowyear+highyear+"'");
	}
}

//FORMAT INTEGER AS SHORT YEAR
function formatShortYear(LongYear) {
	var ShortYear = "" + LongYear
	if(ShortYear.length==1) {ShortYear = "0" + ShortYear;}
	return ShortYear;
}