// JavaScript Document
var explorer;
var safariFirefox;
var flashObj;
//
var explorer=document.all && document.getElementById;
var safariFirefox=navigator.appCodeName == "Mozilla" && navigator.platform == "MacPPC";
var formNodeNames = ['select','textarea','input']
//
if(explorer){
	window.onload = fixIE;
}
//
function hideProtrudingElements(){
	var a=getNodes(document.getElementById('contentcontainer'), formNodeNames);
	var max=a.length;
	while(max--){
		if(a[max].className == "hideFromDropDown show" || a[max].className == "hideFromDropDown"){
			a[max].className = "hideFromDropDown hide";
		}
		
	}
}
function showProtrudingElements(){
	var a=getNodes(document.getElementById('contentcontainer'), formNodeNames);
	var max=a.length;
	while(max--){
		if(a[max].className == "hideFromDropDown hide"){
			a[max].className = "hideFromDropDown show";
		}
	}
	
}
function getNodes(theNode, nodeNames) {
		//Returns array of childNodes of given parent node with given nodeNames, i.e. all 'label' tags inside of 'form' tag.
		//theNode:parent element of elements being searched(usually one with id, i.e. document.getElementById('myForm'));
		//nodeNames: the tags with nodeNames (ie 'label' or 'input') that you want returned in an array.
		//Returns array of xml nodes based on nodeNames.
		var returnNodes = new Array();
		var level = 0;
		var result;
		function recurse(theNode) {
			++level;
			for (var i = 0; i<theNode.childNodes.length; i++) {
				var n = theNode.childNodes[i];
				if (n != null) {
					//alert('nodeNames.length '+nodeNames.length)
					var max = nodeNames.length;
					while (max--) {
						//alert('n.nodeName '+n.nodeName+' nodeNames[max] '+nodeNames[max].toUpperCase());
						if (n.nodeName.toLowerCase() == nodeNames[max].toLowerCase()) {
							returnNodes.push(n);
						}
					}
					recurse(n);
				}
			}
		};
		recurse(theNode);
		return returnNodes;
}

function fixIE(){
	
	//Makes css drop-downs work in ie: since ie only supports :hover for <a> tag.
	var i;

	
	var navRoot = document.getElementById("nav");		
	for (i=0; i<navRoot.childNodes.length; i++) {
		//ul li    -navbar buttons
		node = navRoot.childNodes[i];
		if (node.nodeName == "LI" && node.firstChild.className != 'noSubMenu') {
			if (node.firstChild.nodeName == "DIV") {
				node.firstChild.onmouseover = function() {
					this.className += " over";
					hideProtrudingElements();
				};
				node.firstChild.onmouseout = function() {
					this.className = this.className.replace(" over", "");
					showProtrudingElements();
					
				};
			}
			node.onmouseover = function() {
				hideProtrudingElements()
				//subnav popup
				this.className += " over";
			};
			node.onmouseout = function() {
				this.className = this.className.replace(" over", "");
				showProtrudingElements();
			};
			/*Rollovers in nested li s*/
			if (node.childNodes.length>1) {
				/*Since "Home" link has no child nodes.*/
				for (k=0; k<node.childNodes[1].childNodes.length; k++) {
					node_li_li = node.childNodes[1].childNodes[k];
					//ul li ul li   -subnav buttons
					if (node_li_li.nodeName == "LI") {
						node_li_li.onmouseover = function() {
							hideProtrudingElements();
							this.className += " over";
						};
						node_li_li.onmouseout = function() {
							showProtrudingElements();
							this.className = this.className.replace(" over", "");
						};
					}
				}
			}
		}
	}
}