var navActive = 0;   // Name of active navigation element
var timerID = 0;     // global menu monitoring timer object

// Creating a custom object called objMenu with the methods "name" and "menuExist"
// JEL - added xOffset, and yOffset fields for positioning management
function objMenu(name, trigger, menuExist, xOffset, yOffset) {
    this.name = name;
		this.triggerObj = trigger;
    this.menuExist = menuExist;
    this.xOffset = xOffset;
    this.yOffset = yOffset;
}

function activateMenu(navInput) {
	if (document.all) {
		for (i = 0; i < navItem.length; i++) {
		    if (navItem[i].name == navInput) {
		        if (navItem[i].menuExist == 'yes') {
								clearTimeout(timerID);
								navActive = 0;
		            showMenu(navItem[i].name, navItem[i].triggerObj, navItem[i].xOffset, navItem[i].yOffset);
		        }
		    }
		    else {
		        if (navItem[i].menuExist == 'yes') {
		            hideMenu(navItem[i].name);
		        }
		    }
		}
	}
}

function setTimer(navInput) {
	if (document.all) {
		for (i = 0; i < navItem.length; i++) {
		    if (navItem[i].name == navInput && navItem[i].menuExist == 'yes') {
		        navActive = navItem[i].name;
		        timerID = setTimeout('hideMenu(navActive)', 200);
		    }
		}
	}
}

function stopTimer() {
    clearTimeout(timerID);
}

//Simple function to turn on a <DIV>
// JEL - added xOffset, and yOffset fields for positioning management
function showMenu(navInput, triggerObj, xOffset, yOffset) {
	if (document.all) {
		var testie='M' + navInput;
		var objEl;
		var objOrigEl;
		if( triggerObj == "" )
		{
			objEl = objOrigEl = event.srcElement.parentElement;
		}
		else
		{
			objEl = objOrigEl = document.all[triggerObj].parentElement;
		}
		var lLeft = 0 + xOffset;
		var lTop = 0 + yOffset;
		// var lTopList = "0 + ";
		// var lLeftList = "0 + ";
        
        while (objEl.tagName != 'DIV') {
			lLeft+= objEl.offsetLeft;
			if( (objEl.tagName != 'TR') )   // JEL work-around/fix to keep from double counting row content height
            {
                lTop+= objEl.offsetTop;
            }
            // lTopList += " + " + objEl.offsetTop + " (" + objEl.tagName + ")";
            // lLeftList += " + " + objEl.offsetLeft + " (" + objEl.tagName + ")";
			objEl = objEl.parentElement;
		}
		
		lTop += objOrigEl.offsetHeight;
		document.all[testie].style.display = 'block';
		document.all[testie].style.pixelLeft = lLeft;
		document.all[testie].style.pixelTop = lTop;
        // alert(lTopList + "\n" + lLeftList);
	}
}

function hideMenu(navInput) {
	if (document.all) {
		var testie='M' + navInput;
		document.all[testie].style.display = 'none';
	}

}

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) { //v3.0
  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); 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];}
}