// MENU MOUSE OVER
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}// MENU MOUSE OUT
function menuOut(itemName) {
 if(document.layers) {
 	menuActive = 0
 	timeOn = setTimeout("hideAllMenus()", 400)
  }
}
 // SET BACKGROUND COLOR
function getImage(name) {
  if (document.layers) {
    return findImage(name, document);
  }
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (document.layers) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (document.layers) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  return -1;
}

//document.write('<style> .menu{position: absolute;}</style>');
var timeOn = null
document.onmouseover = hideAllMenus;
document.onclick = hideAllMenus;
window.onerror = null;

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.visibility = newVisibility;
	return true;
    } else {
	//we couldn't find the object, so we can't change its visibility
	return false;
    }
} // changeObjectVisibility


function showMenu(menuNumber, eventObj, labelID) {
    hideAllMenus();

	if(document.layers) {
	img = getImage("img" + menuNumber);
 	x = getImagePageLeft(img);
 	y = getImagePageTop(img);
 	menuTop = y + 10; // LAYER TOP POSITION
	eval('document.layers["menu'+menuNumber+'"].top="'+menuTop+'"');
 	eval('document.layers["menu'+menuNumber+'"].left="'+x+'"');
	}
	eventObj.cancelBubble = true;
    var menuId = 'menu' + menuNumber;
	document.getElementById(labelID).className='selected';  //Top tab changes

    if(changeObjectVisibility(menuId, 'visible')) {
	//document.getElementById(labelID).className='selected';
	return true;
    } else {
	return false;
    }
}

function hideAllMenus() {
    for(counter = 1; counter <= numMenus; counter++) {
	changeObjectVisibility('menu' + counter, 'hidden');
	document.getElementById('label' + counter ).className='';

    }
}

function moveObject(objectId, newXCoordinate, newYCoordinate) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.left = newXCoordinate;
	styleObject.top = newYCoordinate;
	return true;
    } else {
	// we couldn't find the object, so we can't very well move it
	return false;
    }
} // moveObject



// ***********************
// hacks and workarounds *
// ***********************

// initialize hacks whenever the page loads
//window.onload = initializeHacks;

// setup an event handler to hide popups for generic clicks on the document
function initializeHacks() {
    // this ugly little hack resizes a blank div to make sure you can click
    // anywhere in the window for Mac MSIE 5
    if ((navigator.appVersion.indexOf('MSIE 5') != -1)
	&& (navigator.platform.indexOf('Mac') != -1)
	&& getStyleObject('blankDiv')) {
	window.onresize = explorerMacResizeFix;
    }
    resizeBlankDiv();
    // this next function creates a placeholder object for older browsers
    createFakeEventObj();
}



function createFakeEventObj() {
    // create a fake event object for older browsers to avoid errors in function call
    // when we need to pass the event object to functions
    if (!window.event) {
	window.event = false;
    }
} // createFakeEventObj



function resizeBlankDiv() {
    // resize blank placeholder div so IE 5 on mac will get all clicks in window
    if ((navigator.appVersion.indexOf('MSIE 5') != -1)
	&& (navigator.platform.indexOf('Mac') != -1)
	&& getStyleObject('blankDiv')) {
	getStyleObject('blankDiv').width = document.body.clientWidth - 20;
	getStyleObject('blankDiv').height = document.body.clientHeight - 20;
    }
}

function explorerMacResizeFix () {
    location.reload(false);
}

function mClk(src){
	if(event.srcElement.tagName=='TD')
		src.children.tags('A')[0].click();
}

/* NEW NAV SCRIPTS */
var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)');
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();


$(document).ready(function(){
	var menu=new menu.dd("menu");
	menu.init("menu","menuhover");
	Nifty("div.frame","none same-height");
	//initializeHacks;
});