var submenu = new Array();
var tmr = new Array();
var adj = new Array();
var last_zIndex = 100;
var lastOverId = '';
var isDomLoaded = false;

var alignSubmenu 	= 'bottom';		//bottom/right
var useLastItemCSS	= true;
var adjustFirst		= false;
var adjustTop		= 10;
var adjustLeft		= -5;
var adjustTopLevel  = 0;

//browser detect for positioning submenu
//if (BrowserDetect.browser=='Explorer' && BrowserDetect.version<=6) var adjustTopLevel = 2;
//else var adjustTopLevel = -13;
adjustTopLevel = 2;

function isDefined(variable)
{
    return (!(!(document.getElementById(variable))))
}

function init(){
    // quit if this function has already been called
    if (arguments.callee.done) return;
    // flag this function so we don't do the same thing twice
    arguments.callee.done = true;

    isDomLoaded = true;
}

//check if DOM is loaded
//FF check
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", init, false);
}
// universal check
window.onload=init;


function hideSubmenu(obj) {
    if (isDomLoaded) hideSubmenuFunc(obj);
}

function hideSubmenuFunc(obj){

	closePath = obj.id.split('_');

	x = "div";
	for(i=0;i<closePath.length;i++){
		x+= '_' + closePath[i];
		if(document.getElementById(x))
			tmr[x] = window.setTimeout("document.getElementById('"+x+"').style.visibility = 'hidden';",100);
	}
}

function buildSubmenu(obj,align) {
    if (isDomLoaded) buildSubmenuFunc(obj,align);
}

function buildSubmenuFunc(obj,align){

    lastOverId = obj.id;

	if(!align)
		align = alignSubmenu;

	menuPath = obj.id.split('_');

	x = "div";
	for(i=0;i<menuPath.length;i++){
		x+= '_' + menuPath[i];
		if(document.getElementById(x)){
			if(tmr[x])
				window.clearTimeout(tmr[x]);
			document.getElementById(x).style.visibility = 'visible';
		}
	}


	if(submenu[obj.id]){

		d = obj;
		if(d){
			L_pos = d.offsetLeft + d.offsetWidth;
			T_pos = d.offsetTop;
			while(d.offsetParent){
				d = d.offsetParent;
				L_pos+= d.offsetLeft;
				T_pos+= d.offsetTop;
			}
		}


		if(obj.className.indexOf('menuItem') < 0 && align == 'bottom'){
			L_pos-= obj.offsetWidth;
			T_pos+= obj.offsetHeight;
			T_pos+= adjustTopLevel;
		}


		if((adjustTop || adjustLeft) && (adjustFirst || (!adjustFirst && obj.className.indexOf('menuItem') >= 0))){
			L_pos+= adjustLeft;
			T_pos+= adjustTop;
		}


		if(L_pos > 0 && T_pos >0){

			c = document.getElementById('div_' + obj.id);
			if(c){

				c.style.visibility = 'visible';
				c.style.zIndex = last_zIndex++;

				c.style.top = (T_pos - 1) + "px";
				c.style.left = (L_pos - 1) + "px";

			}else{

				subObj = document.createElement('div');
				subObj.id = 'div_' + obj.id;
				subObj.className = 'submenu';
				subObj.style.position = 'absolute';
				subObj.style.zIndex = last_zIndex++;
				subObj.style.top = (T_pos - 1) + "px";
				subObj.style.left = (L_pos - 1) + "px";


                /*if (isLoaded) setTimeout(function () {
                    document.getElementsByTagName('body')[0].appendChild(subObj);
                }, 0);*/

				if (isDomLoaded) document.getElementsByTagName('body')[0].appendChild(subObj);

				content = "";
				m = submenu[obj.id];
				for(i=0;i<m.length;i++){


					if(m[i][1]){
						if(m[i][1].substring(0,11) == 'javascript:'){
							act = m[i][1].substring(11);
						}else{
							if(!m[i][2] || m[i][2] == '_self')
								act = "self.location.href='" + m[i][1] + "';";
							else if(m[i][2] == '_top')
								act = "top.location.href='" + m[i][1] + "';";
							else if(m[i][2] == '_parent')
								act = "parent.location.href='" + m[i][1] + "';";
							else if(m[i][2] == '_blank')
								act = "window.open('" + m[i][1] + "');";
							else
								act = "window.frames['"+m[i][2]+"'].location.href='" + m[i][1] + "';";
						}
					}

					content+= "<div onmouseout=\"hideSubmenu(this);\" onmouseover=\"buildSubmenu(this);\" "+ (m[i][1] ? "onclick=\""+ act + "\" " : "") +"class=menuItem" + (i==0 ? 'First' : (i==(m.length -1) && useLastItemCSS ? 'Last' : '')) + " id=\"" + obj.id + "_" + i +"\"><a class=\"menuItemLink\" onmouseover=\"document.getElementById('"+obj.id+"_"+i+"').className='menuItem" + (i==0 ? 'First' : (i==(m.length -1) && useLastItemCSS ? 'Last' : '')) + "Over';\" onmouseout=\"document.getElementById('"+obj.id+"_"+i+"').className='menuItem" + (i==0 ? 'First' : (i==(m.length -1) && useLastItemCSS ? 'Last' : ''))+ "';\" href=\"" + m[i][1] + "\">" + m[i][0] + "</a></div>";
        			adj[i] = obj.id + "_" + i;
				}

				subObj.innerHTML = content;
			}
		}
	}
}



function menuItem(txt,url,tar){
	return new Array(txt,url,tar);
}


document.onmouseover = function(e){
	obj = document.all ? event.srcElement : e.target;
	if(obj.className == 'menuItemFirst' || obj.className == 'menuItem' || obj.className == 'menuItemLast')
		obj.className+='Over';
}
document.onmouseout = function(e){
	obj = document.all ? event.srcElement : e.target;
	if(obj.className == 'menuItemFirstOver' || obj.className == 'menuItemOver' || obj.className == 'menuItemLastOver')
		obj.className = obj.className.substring(0,(obj.className.length - 4));
}


function iFramePatch(){
	if(!document.all && lastOverId)
		hideSubmenu(document.getElementById(lastOverId));
}