function currentPage() 
{
    var path = window.location.pathname;
    
    if (path == "/")
	{
		page = "default.aspx"
	}
	else
	{
		var page = path.substring(path.lastIndexOf('/') + 1);
	}
	
	return page;
}

function showmenu(elmnt)
{
	hideAllSubMenus();
	document.getElementById(elmnt).style.visibility = "visible";
}

function hidemenu(elmnt)
{
	document.getElementById(elmnt).style.visibility = "hidden";
}

function showSubMenu()
{
	switch (currentPage()) 
	{
		case 'default.aspx':
			showmenu('menuHomeNav');
			break;
		case 'profile.aspx':
			showmenu('menuCorpNav');
			break;
		case 'environmental.aspx':
			showmenu('menuENVNav');
			break;			
		case 'ih.aspx':
			showmenu('menuIHNav');
			break;			
		case 'mycology.aspx':
			showmenu('menuMBIONav');
			break;			
		case 'ds.aspx':
			showmenu('menuDSNav');
			break;
		default:
			showmenu('menuHomeNav');
			break;
	}
}

function hideAllSubMenus()
{
	hidemenu('menuHomeNav');
	hidemenu('menuCorpNav');
	hidemenu('menuENVNav');
	hidemenu('menuIHNav');
	hidemenu('menuMBIONav');
	hidemenu('menuDSNav');
}

function onCellOver(elmnt)
{
	document.getElementById(elmnt).style.backgroundColor = "#7B94AA";
}

function onCellOut(elmnt)
{
	document.getElementById(elmnt).style.backgroundColor = "#295273";
}

function onTopNavOver(elmnt)
{
	document.getElementById(elmnt).style.color = "#FF8040";	
}

function onTopNavOut(elmnt)
{
	document.getElementById(elmnt).style.color = "#295273";	
}

function onPanNavOver(elmnt)
{
	var vPage = currentPage();
	
	if (vPage == "default.aspx" || vPage == "environmental.aspx" || 
		vPage == "ih.aspx" || vPage == "mycology.aspx" || vPage == "ds.aspx")
	{
		switch (elmnt) 
		{
			case 'menuPanENVNav':
				document.getElementById('imgPanENV').src = "images/environmental/alsENVBG.jpg";
				document.getElementById('imgPanIH').src = "images/ih/alsIHBG-25.jpg";
				document.getElementById('imgPanMBIO').src = "images/mycology/alsMoldBG-25.jpg";
				document.getElementById('imgPanDS').src = "images/ds/alsDSBG-25.jpg";			
				
				document.getElementById('envDesc').style.visibility = "visible";		
				document.getElementById('ihDesc').style.visibility = "hidden";		
				document.getElementById('mbioDesc').style.visibility = "hidden";	
				document.getElementById('dsDesc').style.visibility = "hidden";																	
				break;
			case 'menuPanIHNav':
				document.getElementById('imgPanENV').src = "images/environmental/alsENVBG-25.jpg";
				document.getElementById('imgPanIH').src = "images/ih/alsIHBG.jpg";
				document.getElementById('imgPanMBIO').src = "images/mycology/alsMoldBG-25.jpg";
				document.getElementById('imgPanDS').src = "images/ds/alsDSBG-25.jpg";	
				
				document.getElementById('envDesc').style.visibility = "hidden";		
				document.getElementById('ihDesc').style.visibility = "visible";	
				document.getElementById('mbioDesc').style.visibility = "hidden";	
				document.getElementById('dsDesc').style.visibility = "hidden";																						
				break;
			case 'menuPanMBIONav':
				document.getElementById('imgPanENV').src = "images/environmental/alsENVBG-25.jpg";
				document.getElementById('imgPanIH').src = "images/ih/alsIHBG-25.jpg";
				document.getElementById('imgPanMBIO').src = "images/mycology/alsMoldBG.jpg";
				document.getElementById('imgPanDS').src = "images/ds/alsDSBG-25.jpg";	
				
				document.getElementById('envDesc').style.visibility = "hidden";		
				document.getElementById('ihDesc').style.visibility = "hidden";	
				document.getElementById('mbioDesc').style.visibility = "visible";
				document.getElementById('dsDesc').style.visibility = "hidden";												
				break;
			case 'menuPanDSNav':
				document.getElementById('imgPanENV').src = "images/environmental/alsENVBG-25.jpg";
				document.getElementById('imgPanIH').src = "images/ih/alsIHBG-25.jpg";
				document.getElementById('imgPanMBIO').src = "images/mycology/alsMoldBG-25.jpg";
				document.getElementById('imgPanDS').src = "images/ds/alsDSBG.jpg";			
				
				document.getElementById('envDesc').style.visibility = "hidden";		
				document.getElementById('ihDesc').style.visibility = "hidden";	
				document.getElementById('mbioDesc').style.visibility = "hidden";				
				document.getElementById('dsDesc').style.visibility = "visible";								
				break;									
			default: 'unknown';
				break;
		}	
	}
}

function onPanNavOut(elmnt)
{
	var vPage = currentPage();
	
	if (vPage == "default.aspx" || vPage == "environmental.aspx" ||
		vPage == "ih.aspx" || vPage == "mycology.aspx" || vPage == "ds.aspx")
	{
		document.getElementById('imgPanENV').src = "images/environmental/alsENVBG.jpg";
		document.getElementById('imgPanIH').src = "images/ih/alsIHBG.jpg";
		document.getElementById('imgPanMBIO').src = "images/mycology/alsMoldBG.jpg";
		document.getElementById('imgPanDS').src = "images/ds/alsDSBG.jpg";			
		
		document.getElementById('envDesc').style.visibility = "hidden";		
		document.getElementById('ihDesc').style.visibility = "hidden";		
		document.getElementById('mbioDesc').style.visibility = "hidden";		
		document.getElementById('dsDesc').style.visibility = "hidden";		
	}	
}

function onSubOver(elmnt)
{
	document.getElementById(elmnt).style.backgroundColor = "#7B94AA";
}

function onSubOut(elmnt)
{
	document.getElementById(elmnt).style.backgroundColor = "#EAEEF1";
}