function getInternetExplorerVersion()
{
	var rv = -1;
	if (navigator.appName == 'Microsoft Internet Explorer')
	{
		var ua = navigator.userAgent;
		var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
		if (re.exec(ua) != null)
			rv = parseFloat( RegExp.$1 );
	}
	else if (navigator.appName == 'Netscape')
	{
		var ua = navigator.userAgent;
		var re  = new RegExp("Trident/.*rv:([0-9]{1,}[\.0-9]{0,})");
		if (re.exec(ua) != null)
			rv = parseFloat( RegExp.$1 );
	}
	return rv;
}

function getBrowserFamily() {
    var browserFamily = '';
    browserFamily = navigator.family;
    //alert(browserFamily);    
    if (browserFamily == "") {
        var browserVersion = getInternetExplorerVersion();  
	    if (browserVersion != -1) {
	        browserFamily = 'IE';
	    } else if (browserVersion >= 11) {
		    browserFamily = 'IE'; //'gecko';
	    }
    }
    return browserFamily;
}

function HideLayer(pLayer, bCascade) {
	for (var i=0; i<pLayer.length; i++) {
		pLayer[i].visibility = "hide";
		if (bCascade)
			HideLayer(pLayer[i].document.layers, true);
	}
}
		
function HideDivTags() {
	var pDivs  = "";
	var sDivNm = ""		;
	//if (navigator.family == "IE") 
	//	pDivs  = document.all.tags("div");	
	//else
		pDivs  = document.getElementsByTagName("div");		
	  
	for (var i=0; i<pDivs.length; i++) {
		sDivNm = pDivs[i].id;
		if (sDivNm.substr(0,3) == "mnu")
		    pDivs[i].className = "hide";
	}
}
		
function Toggle(pAnkr, pDivLyr) {			
	var nArgs = arguments.length;
	var pLayer = document.layers;
	switch (getBrowserFamily()) {
		case "IE":
			HideDivTags();
			//alert(document.all["mnuDropA"].id);
		break;
		case "nn":
			HideLayer(pLayer, true);
			//alert(document.layers["mnuDropA"]);
		break;
		case "gecko":
			HideDivTags();
			pDivLyr = document.getElementById(pDivLyr);
		break;
		default:
		break;
	}

	if (nArgs != 0) {				
		// check which browser we are
		var pDynElem = (pLayer ? pDivLyr.visibility : pDivLyr.className);

		// be smart about namimg display classes
		pDynElem = (pDynElem = "hide" ? "show" : "hide");
		
		// make the changes to the style or class
		switch(getBrowserFamily()) {
			case "nn":
				pDivLyr.visibility = pDynElem;
				if (pDynElem == "show") {
					pDivLyr.left = pAnkr.x;
					pDivLyr.top  = pAnkr.y + 15;
				}
			break;		
			default:
				pDivLyr.className = pDynElem;
			break;
		}
	}
	return(false);
}

function OnMouseOutCheck(event, pDiv) {
    //alert(pDiv);    
    //return;
	switch(getBrowserFamily()) {
		case "IE":
		    //alert('ie');
			if (!pDiv.contains(event.toElement)) 
			    pDiv.className = "hide";		
                //Toggle();
		break;
		case "nn":
			Toggle();
		break;
		case "gecko":
//			var pDivTag = document.getElementById(pDiv);
//			Toggle();			
//			if (!pDivTag.contains(event.toElement)) 
//				pDivTag.className = "hide";		
		
            var current, related;
            if (window.event) {
                current = this;
                related = window.event.toElement;
            } else {
                current = event.currentTarget;
                related = event.relatedTarget;
            }
            
            if (!contains(current, related)){
                var pDivTag = document.getElementById(pDiv);
                pDivTag.className = "hide";
            } 			
		break;
		default:
		break;
}	
	
function contains(a, b) {
    // Return true if node a contains node b.
    while (b.parentNode)
    if ((b = b.parentNode) == a)
        return true;
    return false;
    }			
}