maxItemHeight=17;
currentSubnavId = "";
navOpened = "";
opening = false;
currentPage = "home";

function changeBackground(thisNav,state){
	var newColor = "#a7a7a7"
	thisNavId = thisNav.getAttribute('id');
	
	if(state=="highlight"){
		newClass = "over";
	}
	else if(state="unhighlight") {
		if(currentPage != thisNavId){
			newClass = "";
		}
		else {
		newClass = "current";
		}
	}
	thisNav.getElementsByTagName('a')[0].setAttribute('class',newClass);
}
function showSubNavFromChild(thisChild){
thisNav = thisChild.parentNode.parentNode;

showSubNav(thisNav);

}
function closeNavFromChild(thisChild){
thisNav = thisChild.parentNode.parentNode;
closeNav(thisNav);

}

function showSubNav(thisNav){
currentSubnavId = thisNav.getAttribute('id') + 'Subnav';
changeBackground(thisNav,"highlight");

	currentNavId = thisNav.getAttribute('id');
	
	
	if(currentSubnav = document.getElementById(currentSubnavId)){
	if((navOpened != currentSubnavId) || (navOpened == "")){
	
	
	closeNavById('profile');
	closeNavById('vision');
	closeNavById('projects');
	closeNavById('contact');


		document.getElementById(currentNavId+"Subnav").style.display = "block";
		subNavItems = document.getElementById(currentNavId+"Subnav");
		openNav(subNavItems);
		
	}}
}

function checkNav(){

if(currentSubnavId == ""){
	closeNavById('profile');
	closeNavById('vision');
	closeNavById('projects');
	closeNavById('contact');
	navOpened="";
	height = 0;
	opening=false;
}

}

function closeNav(thisNav){
changeBackground(thisNav,"unhighlight");
currentSubnavId="";

setTimeout(checkNav,1000);
}
function closeNavById(thisNavId){

thisNav = document.getElementById(thisNavId + "Subnav");

if((thisNavId+ "Subnav") != currentSubnavId){
thisNav.style.display = "none";
}
else{
	// do nothing
}
}

function openNav(theseNavItems){
height=0;
currentNavItems = theseNavItems;
var totalItems = theseNavItems.getElementsByTagName('li').length;
maxNavHeight = maxItemHeight * totalItems;
startIncreasingHeight();
}

function startIncreasingHeight(){


	if(maxNavHeight>height){
		height=height+2;	
		setTimeout(startIncreasingHeight,10);
		opening = true;
	
	
	}
	else{
	
		height=maxNavHeight;
		opening = false;
		navOpened = currentSubnavId;
	}
	
	
		setAllHeights(currentNavItems,height);

}

function setAllHeights(thisNav,height){
		thisArray = thisNav.getElementsByTagName('a');
			for(i=0;i<thisArray.length;i++ ){
			if (height >= maxNavHeight){
			thisArray[i].style.display = "block";
			}
			else{
			thisArray[i].style.display = "none";		
			}
		}
		thisNav.style.height= height + "px";
		
}

// Correctly handle PNG transparency in Win IE 5.5 or higher.
// http://homepage.ntlworld.com/bobosola. Updated 02-March-2004

function correctPNG() 
   {
   for(var i=0; i<document.images.length; i++)
      {
	  var img = document.images[i]
	  var imgName = img.src.toUpperCase()
	  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
	     {
		 var imgID = (img.id) ? "id='" + img.id + "' " : ""
		 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
		 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
		 var imgStyle = "display:inline-block;" + img.style.cssText 
		 if (img.align == "left") imgStyle = "float:left;" + imgStyle
		 if (img.align == "right") imgStyle = "float:right;" + imgStyle
		 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle		
		 var strNewHTML = "<span " + imgID + imgClass + imgTitle
		 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
	     + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
		 img.outerHTML = strNewHTML
		 i = i-1
	     }
      }
   }
if(window.attachEvent){
window.attachEvent("onload", correctPNG);
}

/**
 * SWFObject v1.4.2: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2006 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * **SWFObject is the SWF embed script formerly known as FlashObject. The name was changed for
 *   legal reasons.
 */
if(typeof deconcept=="undefined"){var deconcept=new Object();}
if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}
if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}
deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a,_b){
if(!document.getElementById){return;}
this.DETECT_KEY=_b?_b:"detectflash";
this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);
this.params=new Object();
this.variables=new Object();
this.attributes=new Array();
if(_1){this.setAttribute("swf",_1);}
if(id){this.setAttribute("id",id);}
if(w){this.setAttribute("width",w);}
if(h){this.setAttribute("height",h);}
if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}
this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();
if(c){this.addParam("bgcolor",c);}
var q=_8?_8:"high";
this.addParam("quality",q);
this.setAttribute("useExpressInstall",_7);
this.setAttribute("doExpressInstall",false);
var _d=(_9)?_9:window.location;
this.setAttribute("xiRedirectUrl",_d);
this.setAttribute("redirectUrl","");
if(_a){this.setAttribute("redirectUrl",_a);}};
deconcept.SWFObject.prototype={setAttribute:function(_e,_f){
this.attributes[_e]=_f;
},getAttribute:function(_10){
return this.attributes[_10];
},addParam:function(_11,_12){
this.params[_11]=_12;
},getParams:function(){
return this.params;
},addVariable:function(_13,_14){
this.variables[_13]=_14;
},getVariable:function(_15){
return this.variables[_15];
},getVariables:function(){
return this.variables;
},getVariablePairs:function(){
var _16=new Array();
var key;
var _18=this.getVariables();
for(key in _18){_16.push(key+"="+_18[key]);}
return _16;
},getSWFHTML:function(){
var _19="";
if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){
if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");}
_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\"";
_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";
var _1a=this.getParams();
for(var key in _1a){_19+=key+"=\""+_1a[key]+"\" ";}
var _1c=this.getVariablePairs().join("&");
if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}
_19+="/>";
}else{if(this.getAttribute("doExpressInstall")){
this.addVariable("MMplayerType","ActiveX");}
_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\">";
_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";
var _1d=this.getParams();
for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}
var _1f=this.getVariablePairs().join("&");
if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}
_19+="</object>";}
return _19;
},write:function(_20){
if(this.getAttribute("useExpressInstall")){
var _21=new deconcept.PlayerVersion([6,0,65]);
if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){
this.setAttribute("doExpressInstall",true);
this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));
document.title=document.title.slice(0,47)+" - Flash Player Installation";
this.addVariable("MMdoctitle",document.title);}}
if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){
var n=(typeof _20=="string")?document.getElementById(_20):_20;
n.innerHTML=this.getSWFHTML();
return true;
}else{
if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"));}}
return false;}};
deconcept.SWFObjectUtil.getPlayerVersion=function(){
var _23=new deconcept.PlayerVersion([0,0,0]);
if(navigator.plugins&&navigator.mimeTypes.length){
var x=navigator.plugins["Shockwave Flash"];
if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."));}
}else{
try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}
catch(e){try{
var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
_23=new deconcept.PlayerVersion([6,0,21]);
axo.AllowScriptAccess="always";}
catch(e){
if(_23.major==6){return _23;}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}
catch(e){}}
if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));}}
return _23;};
deconcept.PlayerVersion=function(_27){
this.major=_27[0]!=null?parseInt(_27[0]):0;
this.minor=_27[1]!=null?parseInt(_27[1]):0;
this.rev=_27[2]!=null?parseInt(_27[2]):0;
};
deconcept.PlayerVersion.prototype.versionIsValid=function(fv){
if(this.major<fv.major){return false;}
if(this.major>fv.major){return true;}
if(this.minor<fv.minor){return false;}
if(this.minor>fv.minor){return true;}
if(this.rev<fv.rev){return false;}
return true;
};
deconcept.util={getRequestParameter:function(_29){
var q=document.location.search||document.location.hash;
if(q){
var _2b=q.substring(1).split("&");
for(var i=0;i<_2b.length;i++){
if(_2b[i].substring(0,_2b[i].indexOf("="))==_29){
return _2b[i].substring((_2b[i].indexOf("=")+1));}}}
return "";}};
// deconcept.SWFObjectUtil.cleanupSWFs=function(){
// var _2d=document.getElementsByTagName("OBJECT");
// for(var i=0;i<_2d.length;i++){
// x_2d[i].style.display="none";
// for(var x in _2d[i]){if(typeof _2d[i][x]=="function"){_2d[i][x]=null;}}}};
// if(typeof window.onunload=="function"){
// var oldunload=window.onunload;
// window.onunload=function(){
// deconcept.SWFObjectUtil.cleanupSWFs();
// oldunload();};
// }else{window.onunload=deconcept.SWFObjectUtil.cleanupSWFs;}
// if(Array.prototype.push==null){
// Array.prototype.push=function(_30){
// this[this.length]=_30;
// return this.length;};}

var getQueryParamValue=deconcept.util.getRequestParameter;
var FlashObject=deconcept.SWFObject; // for legacy support
var SWFObject=deconcept.SWFObject;