/*
ESPN.com Horizontal dropdown nav
Last Updated 01.24.2005
*/


/*
hides form elements when user rolls over horizontal dropdown
*/


function findForm() {
	//alert('this is ie');
	// find form elements ending in "_h";
	hideElements = new Array();
	for (var f=0; f<window.document.forms.length; f++) {
		var theForm = window.document.forms[f];
		for (var e=0; e<theForm.elements.length; e++) {
			var theElem = theForm.elements[e];
			if (theElem.type.substr(0,6) == "select") {
				hideElements.push(theElem);
			}
		}
	}
}


// set up month rollover scripts
function setNav() {

	

	// decide if dropdown should hide any flash objects on the page
	var av = navigator.appVersion.toLowerCase();
	var ua = navigator.userAgent.toLowerCase();
	var platform;
	var browser;
	var hideFlash = false;
	if (av.indexOf("mac") != -1) {
		platform = "mac";
	} else if (av.indexOf("windows") != -1) {
		platform = "win";
	}
	if (ua.indexOf("firefox") != -1) {
		browser = "firefox";
	}
	
	//alert(av);
	//alert(ua);
	
	
	// if firefox...
	if (browser == "firefox") {
		//alert('user has firefox');
		hideFlash = true;
	}



	// swfPresent will be defined if hiding swfs
	if (window.swfList && hideFlash) {
		swfPresent = true;
		//alert('hiding: '+swfsToHide);
		//alert(swfList.length);
	} else {
		swfPresent = false;
		//alert('nothing to hide');
	}
	

	// drop down
	if (document.getElementById && document.getElementById("topNav")) {
		navRoot = document.getElementById("topNav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.className == "collapsed") {
			
				node.onmouseover = function() {
					this.className = 'expanded';
					
					// testing form thing
					if (isIE) {
						for (e=0; e<hideElements.length; e++) {
							var formElem = document.getElementById(hideElements[e].id);
							formElem.style.visibility = 'hidden';
						}
						
					}
					
					// This hides the flash object(s)
					if (hideFlash && swfPresent) {
						for (var s=0; s<swfList.length; s++) {
							var flashobject = document.getElementById(swfList[s]);
							flashobject.style.visibility = 'hidden';
						}
					}
					
					
				}
				
				node.onmouseout = function() {
					this.className = 'collapsed';
					
					// testing form thing
					if (isIE) {
						for (e=0; e<hideElements.length; e++) {
							var formElem = document.getElementById(hideElements[e].id);
							formElem.style.visibility = 'visible';
						}
						
					}
					
					// This unhides the flash object(s)
					if (hideFlash && swfPresent) {
						for (var s=0; s<swfList.length; s++) {
							var flashobject = document.getElementById(swfList[s]);
							flashobject.style.visibility = 'visible';
						}
					}
					
					
				}
				
				for (j=0; j<node.childNodes.length; j++) {
					if (node.childNodes[j].className == "dropContainer") {
						elem = node.childNodes[j];
						for (k=0; k<elem.childNodes.length; k++) {
						
							// find 1st tier dropdowns
							if (elem.childNodes[k].className == "dropMenu" || elem.childNodes[k].className == "anchorDropMenu") {
								menuElem = elem.childNodes[k];
						
								for (q=0; q<menuElem.childNodes.length; q++) {

						
									if (menuElem.childNodes[q].className == "dropItem") {
										dropElem = menuElem.childNodes[q];
										dropElem.onmouseover = function() {
											//
											this.className = 'dropItemHi';
										}
										dropElem.onmouseout = function() {
											//
											this.className = 'dropItem';
										}
									
										// find 1st tier drop items that are also 2nd tier dropdowns
										for (d=0; d<dropElem.childNodes.length; d++) {
											if (dropElem.childNodes[d].className == "dropMenu2") {
												// found one
												tier2Item = dropElem.childNodes[d];
												// assign rollovers
												for (r=0; r<tier2Item.childNodes.length; r++) {
													tier2Item.childNodes[r].onmouseover = function() {
														this.className = 'dropItemHi';
														
													}
													tier2Item.childNodes[r].onmouseout = function() {
														this.className = 'dropItem';
													}
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}
	
	
	
	
}


function goTo(where) {
	window.location = where;
}

if (navigator.appName == "Microsoft Internet Explorer") {
	isIE = true;
	window.attachEvent("onload", findForm);
}



//alert(' useragent: '+navigator.userAgent.toLowerCase() + ' appname: '+navigator.appName.toLowerCase() + ' appversion: '+navigator.appVersion);

// do it
window.onload = setNav;