/*
	Menu Controls v 2.0
	and Matt Cannon <mcannon@pierce.com>
*/

var DEBUG_MENU = false;

var POPPED = false;
var ON_MENU = false;
var CURRENT_MENU = "";
var PREVIOUS_LEVEL = "";
var CURRENT_LEVEL2 = "";
var CURRENT_TOP = "";
var CURRENT_CLASS = "";
var PREVIOUS_CLASS = "";
var thisagt=navigator.userAgent.toLowerCase();
	
setInterval("cleanUpMenus()",30000);
showGlobals();

function getMenuObject(id){
	var o = null;
	
		if (document.getElementById) { //W3C
			o = document.getElementById(id); 				
		}
		else if(document.all) { //IE4
			o = document.all[id];			
		}
		else if(document.layers) { //NN4
			o = document.layers[id];			
		}
	return o;
}

function showGlobals(){
	if (DEBUG_MENU) {
		var global_variables = "Global Variables:\n";
		global_variables += "\nPOPPED - "+POPPED;
		global_variables += "\nON_MENU - "+ON_MENU;
	}
}

function mouseOver(object,thisClass) {
	ON_MENU = true;
	CURRENT_CLASS = thisClass;
	CURRENT_MENU = object;
	if (PREVIOUS_LEVEL != CURRENT_MENU) {
		//alert("over --- " + object);
		popDown();
		//alert("PREVIOUS_CLASS --- " + PREVIOUS_CLASS);
		PREVIOUS_LEVEL = CURRENT_MENU;
		PREVIOUS_CLASS = CURRENT_CLASS;
		return popUp(object);
	}
	return false;
}

function mouseOut(object) {
	//if (DEBUG_MENU) {alert("mouseout()");}
		//alert("out --- " + object);
		ON_MENU = false;
		setTimeout('cleanUpMenus()',3500);
	return false;
}

function popUp(object){
	//	if (DEBUG_MENU) {alert("popUp('"+object+"')");}
		//alert("CURRENT_CLASS --- " + CURRENT_CLASS + " CURRENT_MENU -- " + CURRENT_MENU);
		getMenuObject("table_2_"+CURRENT_MENU).className = CURRENT_CLASS + 'hover';
		return menuUp(object);
	return false;
}

function popDown() {
	if (PREVIOUS_LEVEL != '') {
			menuDown(PREVIOUS_LEVEL);
			getMenuObject("table_2_"+PREVIOUS_LEVEL).className = PREVIOUS_CLASS;
			PREVIOUS_LEVEL = '';
	}
	return false;
}

function menuUp(object) {
	//		if (DEBUG_MENU) {alert("menuUp('"+object+"')");}
		var span = getMenuObject("span_"+object);
		var div = getMenuObject("div_"+object);
		var divUP = false;
		var spanUP = false;
		if (div != null) {show(div,"div",object);divUP = true;}
		if (span != null) {show(span,"span",object);spanUP = true;}

		POPPED = (spanUP && divUP);


	return false;
}

function menuDown(object) {
	//	if (DEBUG_MENU) {alert("menuDown('"+object+"')");}
		var span = getMenuObject("span_"+object);
		var div = getMenuObject("div_"+object);
		if (div != null) {hide(div);}
		if (span != null) {hide(span);}

	return false;
}

function cleanUpMenus() {
	if (!ON_MENU) {
		popDown();
	}
	return true;
}

function show(o,type,id){
	if (document.layers) {
		if(type == "div"){//box
			if(id == "hcp"){
				o.pageY = getMenuObject("span_"+id).pageY - 28;
			}else{
				o.pageY = getMenuObject("span_"+id).pageY - 22;
			}
		}
		//alert(o.pageY);
		o.visibility = 'show';
		o.zIndex = '100';	//need to set zIndex for NS 4.x
	}
	else {
		//alert(type + " =f " + findPosY(o));
		if(type == "div"){//box
			if(id == "hcp"){
				o.style.top = findPosY(getMenuObject("span_"+id)) - 28;
			}else{
				o.style.top = findPosY(getMenuObject("span_"+id)) - 22;
			}			
		}
		o.style.visibility = 'visible';
		if ((thisagt.indexOf("mac")!=-1) && (thisagt.indexOf("msie") != -1) && (thisagt.indexOf("opera") == -1)){
			o.style.zIndex = '100';		//need to set zIndex for MAC IE!!!
		}
	}
}

function hide(o){
	var toClass = (o.id.indexOf("span") >= 0) ? "menulineoff" : "menupopupoff";
	if (document.layers) {
		o.visibility = "hide";
	}
	else {
		o.style.visibility = "hidden";
	}
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent) //need this loop is for mac ie
	{
		while (obj.offsetParent)
		{			
				curtop += obj.offsetTop;
				//alert(obj.id + " : obj.offsetTop " + obj.offsetTop);
			obj = obj.offsetParent;
		}
	}
	else if (obj.y){
		curtop += obj.y;}
	return curtop;
}