/*
dropDown.js and navToggler.js were removed from the nurse.com uniheader on 12/1/2008 in favor of dropDownNav.js
JG
*/


   
if (document.getElementById){
document.write('<style type="text/css">\n')
document.write('.dropDown{display: none;}\n')
document.write('</style>\n')
}


function SwitchMenu(subnavcontent){
	if(document.getElementById){
		var el = document.getElementById(subnavcontent); 
		var ar = document.getElementById("secondaryNav").getElementsByTagName("div"); 
		var base = document.getElementById("dropDownHome").style; 
		
		if(el.style.display != "block"){	
			for (var i=0; i<ar.length;i++){
				if (ar[i].className=="dropDown")
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		} 
		else{
			el.style.display = "none";
			base.display = "block";	
		} 
	} 
} 


function DisplayMenu(subnavcontent) {
	if(document.getElementById) {
		var el = document.getElementById(subnavcontent); 
		var ar = document.getElementById("secondaryNav").getElementsByTagName("div"); 
		var base = document.getElementById("dropDownHome").style; 
		for (var i=0; i<ar.length;i++) {
			if (ar[i].className=="dropDown")
				ar[i].style.display = "none";
		}
		el.style.display = "block";
	}
}

function HideMenu() {
	if(document.getElementById) {
		var ar = document.getElementById("secondaryNav").getElementsByTagName("div");  /*// Assign Collection*/
		for (var i=0; i<ar.length;i++) {
			if (ar[i].className=="dropDown")
				ar[i].style.display = "none";
		}
	}
}



var stat;
var delay=0; /*//delay in milliseconds*/
function showNav(id){
var oIfr = document.getElementById(id);
oIfr.style.display=(oIfr.style.display=='block')?'none':'block';
}
function hideNav(id){
stat = setTimeout('showNav("'+id+'")',delay);
}
function getId(obj){
var allIfr = document.getElementsByTagName('iframe');
for(var i=0;i<allIfr.length;i++){
var dIfr = allIfr[i].contentWindow.document.documentElement;
if(obj==dIfr){hideNav(allIfr[i].id);break}
}
}
onload=function(){
var allIfr = document.getElementsByTagName('iframe');
for(var i=0;i<allIfr.length;i++){
var dIfr = allIfr[i].contentWindow.document.documentElement;
dIfr.onmouseover = function(){parent.clearTimeout(parent.stat)}
dIfr.onmouseout = function(){parent.getId(this)}
}
}

function SwitchIcon(subnavcontent, icn){
SwitchMenu(subnavcontent);
if(document.getElementById){
var el = document.getElementById(subnavcontent); 
var ec = document.getElementById(icn);
var ai = document.getElementById("gNav").getElementsByTagName("img"); 
if(el.style.display == "block"){

for (var i=0; i<ai.length; i++){
if (ai[i].className=="arrowicon")
ai[i].src = "http://www.nurse.com/images/nav_expand.gif";
} 
ec.src = "http://www.nurse.com/images/nav_collapse.gif"; 
} 
else {
ec.src = "http://www.nurse.com/images/nav_expand.gif";
} 
} 
} 



function RolloverIcon(subnavcontent, icn){
if(document.getElementById){
var el = document.getElementById(subnavcontent); 
var ec = document.getElementById(icn); 
var ai = document.getElementById("gNav").getElementsByTagName("img"); 
if(el.style.display == "block"){
for(var i=0; i<ai.length; i++){
if(ai[i].className == "arrowicon")
ai[i].src = "http://www.nurse.com/images/nav_expand.gif";
}
ec.src = "http://www.nurse.com/images/nav_collapse_over.gif";
	} else {
	ec.src = "http://www.nurse.com/images/nav_expand_over.gif";
	}

}
}

function RolloutIcon(subnavcontent, icn){
if(document.getElementById){
var el = document.getElementById(subnavcontent); 
var ec = document.getElementById(icn);
var ai = document.getElementById("gNav").getElementsByTagName("img");
if(el.style.display == "block"){
for(var i=0; i<ai.length; i++){
if(ai[i].className == "arrowicon")
ai[i].src = "http://www.nurse.com/images/nav_expand.gif";
}
ec.src = "http://www.nurse.com/images/nav_collapse.gif";
	} else {
	ec.src = "http://www.nurse.com/images/nav_expand.gif";
	}

}
}

/*placeholder, null return for legacy code*/
function addButtonEvents(){
return true;
}