// define menu attributes here
var menuTimeoutLength = 200;
var menuRestoreImageID = new Array();
var menuRestoreImagePath = new Array();
//number of pixels to shift down top menu from source element
var topShift = 2;

// shows the drop down menu
// expected arg is active div
var sourceElement;
function showDDNav(divName,source,width,align,shift){
	if (typeof source != "undefined") sourceElement = source;
	if (width == null || width == "") width = 200;
	if (align == null) align = "left";
	if (shift == null || shift == "") shift = 0;
	if (typeof menuTimeout[divName] != "undefined") clearTimeout(menuTimeout[divName])
	menuTimeout[divName] = setTimeout("showDDNav2('" + divName + "','" + align + "'," + shift + "," + width + ")",menuTimeoutLength);
}
function showDDNav2(divName,align,shift,width){
	var divRef = document.getElementById(divName);
	if (!divRef) {
		divRef = createMenu(divName.substr(4),width,sourceElement);
	}
	if (divRef && divRef.style.visibility != "visible") {
		//Set top and left position for menu
		//Shift is used to line up outer menus with the left and right edges of the content area.
		if (typeof sourceElement != "undefined") {
			if (sourceElement.className == "topMenuItemMouseover") {
				var sourceMenu = sourceElement.parentNode;
				var sourceMenuTop = parseInt(sourceMenu.style.top);
				var sourceMenuBottom = sourceMenuTop + sourceMenu.offsetHeight;
				var newMenuTop = parseInt(sourceMenu.style.top) + sourceElement.offsetTop;
				var newMenuBottom = newMenuTop + divRef.offsetHeight;
				//make sure menu doesn't go lower than main menu, unless it has to
				if (newMenuBottom > sourceMenuBottom) {
					if (divRef.offsetHeight > sourceMenu.offsetHeight) {
						newMenuTop = sourceMenuTop;
					} else {
						newMenuTop = sourceMenuBottom - divRef.offsetHeight;
					}
				}
				divRef.style.top = newMenuTop + "px";
				if (sourceMenu.getAttribute("menuAlign") == "left") {
					divRef.style.left = (parseInt(sourceElement.parentNode.style.left) + sourceElement.offsetWidth + 6) + "px";
				} else {
					divRef.style.left = (parseInt(sourceElement.parentNode.style.left) - divRef.offsetWidth) + "px";
				}
			} else {
				if (align == "left") {
					divRef.style.left = (_totalOffsetLeft(sourceElement) - shift) + "px";
				} else {
					divRef.style.left = (_totalOffsetLeft(sourceElement) + sourceElement.offsetWidth - divRef.offsetWidth + shift) + "px";
				}
				divRef.setAttribute("menuAlign",align);
				divRef.style.top = (_totalOffsetTop(sourceElement) + sourceElement.offsetHeight + topShift) + "px";
			}
		}
		divRef.style.visibility = "visible";
		_setSelectVisibility("hidden",divRef)
	}
}

// hides the drop down menu
// expected arg is active div
var lastRestoreImageID, lastRestoreImagePath;
function hideDDNav(divName,restoreImageID,restoreImagePath){
	if (typeof menuTimeout[divName] != "undefined") clearTimeout(menuTimeout[divName]);
	// If restore image not passed, then coming from menu and not main menu button.
	// Save restore image if passed, or use saved if not passed
	if (restoreImageID == null && menuRestoreImageID[divName]) {
		restoreImageID = menuRestoreImageID[divName];
	} else {
		menuRestoreImageID[divName] = restoreImageID;
	}
	if (restoreImagePath == null && menuRestoreImagePath[divName]) {
		restoreImagePath = menuRestoreImagePath[divName];
	} else {
		menuRestoreImagePath[divName] = restoreImagePath;
	}
	menuTimeout[divName] = setTimeout("hideDDNav2('" + divName + "','" + restoreImageID + "','" + restoreImagePath + "');",menuTimeoutLength);
}
function hideDDNav2(divName,restoreImageID,restoreImagePath){
	var divRef = document.getElementById(divName);
	if(divRef && divRef.style.visibility=='visible'){
		divRef.style.visibility = 'hidden';
		_setSelectVisibility("visible",divRef)
	}
	MM_swapImage(restoreImageID,'',restoreImagePath,1);
}

// highlight menuitem in IE & NS6
// expected arg is active menuitem
function itemOver(e){
	itemDiv = getEventSrcElement(e);
	while (itemDiv.className != "topMenuItem") itemDiv = itemDiv.parentNode;
	if (itemDiv) {
		itemDiv.className="topMenuItemMouseover";
		//keep showing this menu
		showDDNav(itemDiv.parentNode.id);
		//show submenu
		if (itemDiv.id.length > 1) {
			showDDNav("menu"+itemDiv.id.substr(1),itemDiv);
		}
		//keep showing parent menu
		if (itemDiv.parentNode.getAttribute("parentMenuID").indexOf("menu") == 0) {
			showDDNav(itemDiv.parentNode.getAttribute("parentMenuID"));
		}
	}
}

// highlight off menuitem in IE & NS6
// expected arg is active menuitem
function itemOut(e){
	itemDiv = getEventSrcElement(e);
	while (itemDiv.className != "topMenuItemMouseover") itemDiv = itemDiv.parentNode;
	if (itemDiv) {
		itemDiv.className="topMenuItem";
		//hide this menu
		hideDDNav(itemDiv.parentNode.id);
		//hide submenu
		if (itemDiv.id.length > 1) {
			hideDDNav("menu"+itemDiv.id.substr(1));
		}
		//hide parent menu
		if (itemDiv.parentNode.getAttribute("parentMenuID").indexOf("menu") == 0) {
			hideDDNav(itemDiv.parentNode.getAttribute("parentMenuID"));
		}
	}
}

// goes to specified url
// expected arg is url
function gotoUrl(e){
	itemDiv = getEventSrcElement(e);
	while (itemDiv.className != "topMenuItemMouseover") itemDiv = itemDiv.parentNode;
	if (itemDiv.getAttribute("newWindow") && itemDiv.getAttribute("newWindow") == "1") {
	    window.open(itemDiv.getAttribute("url"));
	} else {
	    location.href = itemDiv.getAttribute("url");
	}
}

// BUILD THE MENU IN IE & NETSCAPE 6
// expected args are 'div name','menu left coord','top in pixels (aka y-coord)',menu width
function createMenu(menuID,menuWidth,sourceElement){
	var divID = "menu"+menuID;
	var menuDiv,itemDiv,arrowDiv;

	//check ready state before creating menu
	//alert(document.readyState);
	if (!document.readyState || (document.readyState && document.readyState == "complete")) {
		if (menuData[menuID][0] != null) {

			//create menu div
			menuDiv = document.createElement("div");
			menuDiv.id = divID;
			menuDiv.setAttribute("parentMenuID",sourceElement.parentNode.id);
			menuDiv.className = "topMenu";
			menuDiv.style.width = menuWidth + "px";
			menuDiv.setAttribute("onmouseover","showDDNav('"+divID+"')");
			menuDiv.setAttribute("onmouseout","hideDDNav('"+divID+"')");
			document.body.appendChild(menuDiv);

			// the loop below writes out each line of the menu.
			var y = 0;
			while (menuData[menuID][y] != null && menuData[menuID][y][0]!=null) {
				// the line below is the actual menu item. Notice that it uses the "dhtmlNav" stylesheet (in the default.css stylesheet file). I added  s to put spacing *inside* each menu item (whereas the innerWidth/outerWidth padding stuff would have added space *around* the menu items and highlights.)
				itemDiv = document.createElement("div");
				// get submenu id, if available
				if (menuData[menuID][y].length > 3) {
					itemDiv.id = "x" + menuData[menuID][y][3];
				} else {
					itemDiv.id = "x";
				}
				itemDiv.className = "topMenuItem";
				itemDiv.onmouseover = itemOver;
				itemDiv.onmouseout = itemOut;
				itemDiv.setAttribute("url",menuData[menuID][y][1]);
        	    itemDiv.setAttribute("newWindow",menuData[menuID][y][2]);
				itemDiv.onclick = gotoUrl;
				itemDiv.style.width = (menuWidth - 6) + "px";

				// get submenu id, if available
				if (menuData[menuID][y].length > 3 && menuData[menuData[menuID][y][3]][0] != null) {
					itemDiv.id = "x" + menuData[menuID][y][3];
					arrowDiv = document.createElement("div");
					arrowDiv.className = "topMenuItemArrow";
					arrowDiv.innerHTML = "<img src=\"images/triangle_blue.gif\" alt=\"&gt;\">";
					itemDiv.appendChild(arrowDiv);
					itemDiv.innerHTML += "<div>"+menuData[menuID][y][0]+"</div>";
				} else {
					itemDiv.id = "x";
					itemDiv.innerHTML = menuData[menuID][y][0];
				}
				menuDiv.appendChild(itemDiv);
				y++;
			}
		} else {
			menuDiv = document.createElement("div");
			document.body.appendChild(menuDiv);
		}
	}
	return menuDiv;
}


function getEventSrcElement(e) {
	if (window.event) {
		return window.event.srcElement;
	} else if (e && e.currentTarget) {
		return e.currentTarget;
	}
}

/////////////////////////////////////
//// Select objects are windowed and therefore don't obey the zIndex in IE (at least at the time of this writing)
//// Therefore, they need to be hidden if they are in the way of an object.
/////////////////////////////////////
function _setSelectVisibility(visibility,obj) {
	// get object position
	var oTop = _totalOffsetTop(obj);
	var oLeft = _totalOffsetLeft(obj);
	var oBottom = oTop + obj.offsetHeight;
	var oRight = oLeft + obj.offsetWidth;

	// loop through select objects
	var selectObjs = document.getElementsByTagName("SELECT");
	for (var i = 0; i < selectObjs.length; i ++) {
		selectObj = selectObjs[i];
		if (visibility == "hidden") {
			// get select object position
			var sTop = _totalOffsetTop(selectObj);
			var sLeft = _totalOffsetLeft(selectObj);
			var sBottom = sTop + selectObj.offsetHeight;
			var sRight = sLeft + selectObj.offsetWidth;

			// If select object overlaps menu, hide it.
			if (((oTop < sTop && sTop < oBottom) || (oTop < sBottom && sBottom < oBottom) || (sTop < oTop && sBottom > oBottom) || (sTop > oTop && sBottom < oBottom))
				&& ((oLeft < sLeft && sLeft < oRight) || (oLeft < sRight && sRight < oRight) || (sLeft < oLeft && sRight > oRight) || (sLeft > oLeft && sRight < oRight))) {
				selectObj.style.visibility = "hidden";
			}
		} else {

			// Make sure all select objects are visible again.
			selectObj.style.visibility = "visible";
		}
	}
}
function _totalOffsetLeft(el) {
	// Return the true x coordinate of an element relative to the page.
	return el.offsetLeft + (el.offsetParent ? _totalOffsetLeft(el.offsetParent) : 0);
}

function _totalOffsetTop(el) {
	// Return the true y coordinate of an element relative to the page.
	return el.offsetTop + (el.offsetParent ? _totalOffsetTop(el.offsetParent) : 0);
}
/////////////////////////////////////

// For the Rollover images in the menu
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// declare array
menuData=new Array();
menuTimeout=new Array();
menuData[5]=[["FCEP Overview","fcepoverview.htm",0],["Mission & Vision Statements","missionandvisionstatements.htm",0],["Past FCEP Presidents","pastfceppresidents.htm",0],["Membership Information","membershipinformation.htm",0],["Preferred Partners","preferredvendors.htm",0]];
menuData[85]=[["Join FCEP!","membershipinformation.htm",0]];
menuData[4]=[["Legislative Hot Topics","legislativehottopics.htm",0],["Past Legislative Session Reviews","legislativesessionreviews.htm",0],["Emergency Physicians of Florida CCE","flacpac.htm",0],["People for Access to Emergency Care","paec.htm",0],["Position Statements","positionstatements.htm",0],["Emergency Medicine Days in Tallahassee","emdays.htm",0], ["FLACPAC","flacpac.htm",0]];
menuData[6]=[["Emergency Medicine Days in Tallahassee","emdays.htm",0],["Symposium by the Sea","sbs.htm",0],["Emergency Medicine Learning & Resource Center","emlrc.htm",0]];
menuData[400]=[["Latest FCEP News","newsroom.htm",0],["Electronic Newsletter","fcepenews2.htm",0],["EMpulse Magazine","empulse.htm",0],["EM in the News","eminthenews.htm",0]];
menuData[3]=[["Board of Directors","boardofdirectors.htm",0],["Academic Affairs Committee","academicaffairscommittee.htm",0],["Emergency Department Information Technology Committee","editcommittee.htm",0],["EMS / Trauma Committee","ems-traumacommittee.htm",0],["Governmental Affairs Committee","governmentalaffairscommittee.htm",0],["Medical Economics Committee","medicaleconomicscommittee.htm",0],["Pediatric Emergency Medicine Committee","pediatricemergencymedicinecommittee.htm",0],["Professional Development Committee","professionaldevelopmentcommittee.htm",0],["Emergency Medicine Residents' Association of Florida (EMRAF)","emraf.htm",0]];
menuData[405]=[["About EMpulse","empulse.htm",0],["Previous EMpulse Issues","previousempulseissues.htm",0],["Advertising in EMpulse","empulseadvertising.htm",0]];
menuData[2]=[["FCEP Job Bank","job-bank.aspx",0]];
menuData[250]=[["FCEP Advocacy","multimedia-fcepadvocacy.htm",0],["Emergency Medicine Days","multimedia-emdays.htm",0],["Symposium by the Sea","multimedia-sbs.htm",0],["Miscellaneous","multimedia-miscellaneous.htm",0],["FCEP Online Forum","fceponlineforum.htm",0]];
menuData[156]=[["Browse Related Links","links.htm",0]];
menuData[409]=[["Staff","staff.htm",0],["Location & Numbers","locationandnumbers.htm",0],["Email List Signup","fcepenews.htm",0],["Advertise on FCEP.org","advertiseonfceporg.htm",0]];