// Start of code for Main Menu
// Simple Drop Down Menu, Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;
//End of Simple Drop Down Menu script
////////////////////////////////////////////////////////////////

//Start of Project Search Code: Compiled by Shalom Lazarus, 2009

function project_number()//searches for the project profile page based on the number that is input
{
	var x = document.getElementById('number').value
	// Add the new project numbers on the line below, using the same format. Note the "=" sign is double.
	if (x=="8185"||x=="8183"||x=="8182"||x=="8179"||x=="8178"||x=="8174"||x=="8171"||x=="8167"||x=="8158"||x=="8157"||x=="8156"||x=="8155"||x=="8154"||x=="8151"||x=="8149"||x=="8146"||x=="8144"||x=="8142"||x=="8140"||x=="8136"||x=="8127"||x=="8095")
	{
		window.location = ("project_trips/projectprofile_" + x + ".shtm");	//this creates the link based on the number input in the text field
	}
	else if (x=="")
	{
			alert("Please enter a project number.");//tells you to enter a number because the field is blank
	}
	
	else
	{
		alert("Sorry, no page found for this project number.\nPlease contact your project leader.") //brings up the alert box if the project number is not in the list above
		document.getElementById('number').value=""; //makes the text field blank after OK is clicked on the alert box
	}
}

//End of Project Search Code

////////////////////////////////////////////////////////////////

function keypress(e) //this makes it possible to hit the enter key and bring up the search result, instead of clicking the button
	{
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if(e) keycode = e.which;
		
		if(keycode==13)
			{
				var enterButton = document.getElementById('readButton');
				if(enterButton)
					enterButton.click();
						return false;
				
			}
	}

////////////////////////////////////////////////////////////////

//Start of Explore South Asia rollover section
//DD Tab Menu- Script rewritten April 27th, 07: http://www.dynamicdrive.com
//**Updated Feb 23rd, 08): Adds ability for menu to revert back to default selected tab when mouse moves out of menu

//Only 2 configuration variables below:

var ddtabmenu={
	disabletablinks: true, //Disable hyperlinks in 1st level tabs with sub contents (true or false)?
	snap2original: [false, 300], //Should tab revert back to default selected when mouse moves out of menu? ([true/false, delay_millisec]

	currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), //get current page url (minus hostname, ie: http://www.dynamicdrive.com/)

definemenu:function(tabid, dselected){
	this[tabid+"-menuitems"]=null
	this[tabid+"-dselected"]=-1
	this.addEvent(window, function(){ddtabmenu.init(tabid, dselected)}, "load")
},

showsubmenu:function(tabid, targetitem){
	var menuitems=this[tabid+"-menuitems"]
	this.clearrevert2default(tabid)
 for (i=0; i<menuitems.length; i++){
		menuitems[i].className=""
		if (typeof menuitems[i].hasSubContent!="undefined")
			document.getElementById(menuitems[i].getAttribute("rel")).style.display="none"
	}
	targetitem.className="current"
	if (typeof targetitem.hasSubContent!="undefined")
		document.getElementById(targetitem.getAttribute("rel")).style.display="block"
},

isSelected:function(menuurl){
	var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
	return (ddtabmenu.currentpageurl==menuurl)
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

revert2default:function(outobj, tabid, e){
	if (!ddtabmenu.isContained(outobj, tabid, e)){
		window["hidetimer_"+tabid]=setTimeout(function(){
			ddtabmenu.showsubmenu(tabid, ddtabmenu[tabid+"-dselected"])
		}, ddtabmenu.snap2original[1])
	}
},

clearrevert2default:function(tabid){
 if (typeof window["hidetimer_"+tabid]!="undefined")
		clearTimeout(window["hidetimer_"+tabid])
},

addEvent:function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
},

init:function(tabid, dselected){
	var menuitems=document.getElementById(tabid).getElementsByTagName("a")
	this[tabid+"-menuitems"]=menuitems
	for (var x=0; x<menuitems.length; x++){
		if (menuitems[x].getAttribute("rel")){
			this[tabid+"-menuitems"][x].hasSubContent=true
			if (ddtabmenu.disabletablinks)
				menuitems[x].onclick=function(){return false}
			if (ddtabmenu.snap2original[0]==true){
				var submenu=document.getElementById(menuitems[x].getAttribute("rel"))
				menuitems[x].onmouseout=function(e){ddtabmenu.revert2default(submenu, tabid, e)}
				submenu.onmouseover=function(){ddtabmenu.clearrevert2default(tabid)}
				submenu.onmouseout=function(e){ddtabmenu.revert2default(this, tabid, e)}
			}
		}
		else //for items without a submenu, add onMouseout effect
			menuitems[x].onmouseout=function(e){this.className=""; if (ddtabmenu.snap2original[0]==true) ddtabmenu.revert2default(this, tabid, e)}
		menuitems[x].onmouseover=function(){ddtabmenu.showsubmenu(tabid, this)}
		if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href)){
			ddtabmenu.showsubmenu(tabid, menuitems[x])
			this[tabid+"-dselected"]=menuitems[x]
			var setalready=true
		}
		else if (parseInt(dselected)==x){
			ddtabmenu.showsubmenu(tabid, menuitems[x])
			this[tabid+"-dselected"]=menuitems[x]
		}
	}
}
}

////////////////////////////////////////////////////////////////

// Code for FAQ slides begins
// Start of Tiny Accordion 
var TINY={};

function T$(i){return document.getElementById(i)}
function T$$(e,p){return p.getElementsByTagName(e)}

TINY.accordion=function(){
	function slider(n){this.n=n; this.a=[]}
	slider.prototype.init=function(t,e,m,o,k){
		var a=T$(t), i=s=0, n=a.childNodes, l=n.length; this.s=k||0; this.m=m||0;
		for(i;i<l;i++){
			var v=n[i];
			if(v.nodeType!=3){
				this.a[s]={}; this.a[s].h=h=T$$(e,v)[0]; this.a[s].c=c=T$$('div',v)[0]; h.onclick=new Function(this.n+'.pr(0,'+s+')');
				if(o==s){h.className=this.s; c.style.height='auto'; c.d=1}else{c.style.height=0; c.d=-1} s++
			}
		}
		this.l=s
	};
	slider.prototype.pr=function(f,d){
		for(var i=0;i<this.l;i++){
			var h=this.a[i].h, c=this.a[i].c, k=c.style.height; k=k=='auto'?1:parseInt(k); clearInterval(c.t);
			if((k!=1&&c.d==-1)&&(f==1||i==d)){
				c.style.height=''; c.m=c.offsetHeight; c.style.height=k+'px'; c.d=1; h.className=this.s; su(c,1)
			}else if(k>0&&(f==-1||this.m||i==d)){
				c.d=-1; h.className=''; su(c,-1)
			}
		}
	};
	function su(c){c.t=setInterval(function(){sl(c)},20)};
	function sl(c){
		var h=c.offsetHeight, d=c.d==1?c.m-h:h; c.style.height=h+(Math.ceil(d/5)*c.d)+'px';
		c.style.opacity=h/c.m; c.style.filter='alpha(opacity='+h*100/c.m+')';
		if((c.d==1&&h>=c.m)||(c.d!=1&&h==1)){if(c.d==1){c.style.height='auto'} clearInterval(c.t)}
	};
	return{slider:slider}
}();
// End of Tiny Accordion