// onload triggers

function homepageTrigger() {
	menuSystemActive = true;
	homeMessageSetup();
}

function subpageTrigger() {
	menuSystemActive = true;
}


// Function to make DIV area act as its child A tag
function doDivLink(getDiv) {
	if(document.getElementsByTagName) {
		newLocation = getDiv.getElementsByTagName('A').item(0).href;
		newTarget = getDiv.getElementsByTagName('A').item(0).target;
		if(newTarget == "_blank") {
			window.open(newLocation);
		} else window.location = newLocation;
	}
}
function clearDivLink() {
	if(document.getElementsByTagName) return false;
}


// Menu Stuff

if(navigator.userAgent.indexOf("Opera")!=-1) GetBrowserType = "opera"
else if(navigator.appName == "Microsoft Internet Explorer") GetBrowserType = "ie"
else if(navigator.appName == "Netscape") GetBrowserType = "ns";

// playstation
if(navigator.userAgent.indexOf("PLAYSTATION 3")!=-1) GetBrowserType = "ns";

safariMode = false;
if(navigator.userAgent.indexOf("AppleWebKit")!=-1) safariMode = true;

GetBrowserPlatform = "";
if(navigator.userAgent.indexOf("Mac_PowerPC")!=-1 || navigator.userAgent.indexOf("Macintosh")!=-1) GetBrowserPlatform = "mac";

storeMenuIndex = null;
storeButtonState = null;
storeThisElement = null;
menuActive = false;
menuTimeout = null;

function getMenuClass(src,hoverState) {
	if(src.className.indexOf("first") > -1) {
		if(hoverState) return "firstMenuOver"
		else {
			if(storeButtonState) return "firstMenuOn"
			else return "firstMenuOff";
		}
	} else if(src.className.indexOf("last") > -1) {
		if(hoverState) return "lastMenuOver"
		else {
			if(storeButtonState) return "lastMenuOn"
			else return "lastMenuOff";
		}
	} else {
		if(hoverState) return "MenuOver"
		else {
			if(storeButtonState) return "MenuOn"
			else return "MenuOff";
		}
	}
}

function showMenu(menuIndex,buttonState,thisElement) {
	if(menuSystemActive) {
		cancelHideMenu();
		if(menuActive && menuIndex!= storeMenuIndex) doHideMenu();
		if(!menuActive) {
			storeMenuIndex = menuIndex;
			storeButtonState = buttonState;
			storeThisElement = thisElement;
			thisElement.className = getMenuClass(thisElement,true);
			
			if(SubMenuStrings[menuIndex]) {
				
				// Work out menu position
				SubMenuWidth = document.getElementById('DropDownMenu').offsetWidth;
				MenuOffset = document.getElementById('menuArea').offsetLeft;
				MenuAreaWidth = document.getElementById('menuArea').offsetWidth;
				ButtonOffset = thisElement.offsetLeft;
				xPos = ButtonOffset + MenuOffset - 7;
				MenuAlign = "left";
				if((ButtonOffset + SubMenuWidth) > MenuAreaWidth) {
					// Work menu position aligned right to next spacer div
					ButtonOffset = thisElement.offsetLeft + thisElement.offsetWidth;
					xPos = (ButtonOffset + MenuOffset) - (SubMenuWidth - 7);
					MenuAlign = "right";
				}
			
				// Write menu links
				buildMenu = "<DIV align='" + MenuAlign + "'><DIV id='DropDownMenuTop'></DIV><dl>" + SubMenuStrings[menuIndex] + "</dl></DIV>";
				document.getElementById('DropDownMenu').innerHTML = buildMenu;
				
				// Set position of menu + make visible
				if(GetBrowserType == "ns" || GetBrowserType == "opera") {
					document.getElementById('DropDownMenu').style.left = xPos + "px";
				} else {
					document.getElementById('DropDownMenu').style.posLeft = xPos;
				}
				document.getElementById('DropDownMenu').style.zIndex = 100;
				document.getElementById('DropDownMenu').style.visibility = "visible";
			
			}
			menuActive = true;
		}
	}
}

function hideMenu() {
	if(menuSystemActive) {
		refreshMenu();
		menuTimeout = setTimeout("doHideMenu();",200);
	}
}

function doHideMenu() {
	if(menuSystemActive && storeThisElement != null) {
		storeThisElement.className = getMenuClass(storeThisElement,false);
		document.getElementById('DropDownMenu').style.visibility = "hidden";
		storeMenuIndex = null;
		storeButtonState = null;
		storeThisElement = null;
		menuActive = false;
	}
}

function cancelHideMenu() {
	if(menuSystemActive) {
		clearTimeout(menuTimeout);
		menuTimeout = null;
	}
}

function doNoLink() {
	if(menuSystemActive) {
		clearTimeout(menuTimeout);
	}
}

function refreshMenu() {
	if(menuSystemActive && safariMode) document.getElementById('DropDownMenu').style.zIndex += 1;
}