// used to hide panels for dynamic switching
// this method will not show the items before they are hidden

var domain = "http://www.patientsmedical.com";

var css = document.createElement("link");
css.setAttribute("href", "/css/leftnav.css");
css.setAttribute("rel", "stylesheet");
css.setAttribute("media", "screen");
var theHead = document.getElementById("theHead");  //.appendChild(css);
if (theHead == null) {
    theHead = document.getElementById('ctl00_theHead');
}
if (theHead != null) {
    theHead.appendChild(css);
}

var activeSubNav = '';
var activeArrow = '';
function showSubNav(rawid) { 	
	var id = "sub"+rawid;	
	//var arrow = rawid+"Arrow";	
	if(activeSubNav!='') {
		hideSubNav(activeSubNav, rawid);		
	}
	if(id!=activeSubNav) {
		document.getElementById(id).style.display = 'block';			
		activeSubNav = id;
		//document.getElementById(arrow).src = domain + "/images/left/arrow_open.gif";		
		//document.getElementById(rawid).style.backgroundImage = "url(/images/left/arrowon.jpg);";			
		document.getElementById(rawid).className = 'listitem expandableopen';		
		activeArrow = id;					
	} else {
		activeSubNav = '';	
	}		
}
function hideSubNav(id, arrow) {
	document.getElementById(id).style.display = 'none';		
	document.getElementById(arrow).className = 'listitem expandable';
}
function openSubNav(siloname) {
    
	// this was done via javascript because if the user does not have javascript enabled
	// the menu will appear open anyway
	var containerID = '';
	var silochar = siloname.substring(0, 1);
	
	//alert(silochar);
	switch(silochar) { 				
		case 'a': containerID='ab'; break;	
		case 'b': containerID='ab'; break;	
		case 'c': containerID='cd'; break;	
		case 'd': containerID='cd'; break;	
		case 'e': containerID='ef'; break;	
		case 'f': containerID='ef'; break;	
		case 'g': containerID='gh'; break;	
		case 'h': containerID='gh'; break;	
		case 'i': containerID='ij'; break;	
		case 'j': containerID='ij'; break;	
		case 'k': containerID='kl'; break;	
		case 'l': containerID='kl'; break;	
		case 'm': containerID='mn'; break;	
		case 'n': containerID='mn'; break;	
		case 'o': containerID='op'; break;	
		case 'p': containerID='op'; break;	
		case 'q': containerID='qr'; break;	
		case 'r': containerID='qr'; break;	
		case 's': containerID='st'; break;	
		case 't': containerID='st'; break;	
		case 'u': containerID='uv'; break;	
		case 'v': containerID='uv'; break;	
		case 'w': containerID='wx'; break;	
		case 'x': containerID='wx'; break;	
		case 'y': containerID='yz'; break;	
		case 'z': containerID='yz'; break;	
	}
		
	document.getElementById(containerID).className = 'listitem expandableopen';	
	containerID = "sub" + containerID;	
	document.getElementById(containerID).style.display='block';				
}