/*
Horizontal dropdown nav
*/

// FLASH detection system
	var jsV = 1.0;
	var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
	var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;
	jsV = 1.1;

hideElements = new Array();

// hides selectors when user rolls over horizontal dropdown
function findForm() {
	//alert('this is ie');
	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;
	var hideAd = false;
	if (av.indexOf("mac") != -1) {
		platform = "mac";
	} else if (av.indexOf("windows") != -1) {
		platform = "win";
	}
	if (ua.indexOf("firefox") != -1) {
		browser = "firefox";
	}

	// if firefox...
	if (browser == "firefox") {
		//alert('user has firefox');
		hideFlash = true;
	}
	
	if (browser == "firefox" || ua.indexOf("safari") != -1) {
		hideAd = true;
	}

	// swfPresent will be defined if hiding swfs
	if (window.swfList) {
		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);
							if (formElem != null) {
								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';
						}
					}
					
				
					// hides ad
					if (hideAd && this.childNodes[1].innerHTML == "More [+]") {
						if (document.getElementById('ad_InContent') != null) {
							document.getElementById('ad_InContent').style.height = '262px';
						} else if (document.getElementById('ad_Poster') != null) {
							document.getElementById('ad_Poster').style.height = '612px';
						}
						var adObj1 = document.getElementById('ad');
						var adObj2 = document.getElementById('adslug');
						if (adObj1 != null) {
							adObj1.style.display = 'none';
						}
						if (adObj2 != null) {
							adObj2.style.display = 'none';
						}
					}
				}
				
				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);
							if (formElem != null) {
								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';
						}
					}
										
					// unhides ad
					if (hideAd && this.childNodes[1].innerHTML == "More [+]") {
						var adObj1 = document.getElementById('ad');
						var adObj2 = document.getElementById('adslug');
						if (adObj1 != null) {
							adObj1.style.display = 'block';
						}
						if (adObj2 != null) {
							adObj2.style.display = 'block';
						}
					}
					
				}
				
				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++) {
													if (tier2Item.childNodes[r].className != "rule") {
														tier2Item.childNodes[r].onmouseover = function() {
															this.className = 'dropItemHi';
														
														}
														tier2Item.childNodes[r].onmouseout = function() {
															this.className = 'dropItem';
														}
													}
												}
											}
										}
									} else if (menuElem.childNodes[q].className == "dropItem_s") { // special drop item, i.e. partner sites
										dropElem = menuElem.childNodes[q];
										dropElem.onmouseover = function() {
											//
											this.className = 'dropItemHi_s';
										}
										dropElem.onmouseout = function() {
											//
											this.className = 'dropItem_s';
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}
	
	if (navigator.appName == "Microsoft Internet Explorer" && platform != "mac") {
		isIE = true;
		//window.attachEvent("onload", findForm); // don't need this... jy (will later throw exceptions for elements w/o ids)
		//window.onload = findForm;
	}	
	
}


function goTo(where) {
	window.location = where;
}

function goToNew(where,winName,features) {
	window.open(where,winName,features);
}


// do it
window.onload = setNav;

// unrelated for html dropdowns
function gotosite(site) {
    if (site != "") {
        window.location=site;
    }
}

// taken from the 'index.html' template, 3/1/07 - CS.
browser = navigator.appName;
appVer = parseInt(navigator.appVersion);
ie = "Microsoft Internet Explorer";
ns = "Netscape";
isMac = (navigator.appVersion.indexOf("Macintosh")!=-1)?true:false;
// Added 3/15/06, CS. For supplemental Mac styles for drop menu.
if (isMac) document.write('<link href="/common/mac_styles.css" rel="stylesheet" type="text/css" media="all" />');

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

