/*-------------------------- BROWSER DETECTION --------------------------*/

function dom_browser() {
	// browser identification based on dom capabilities
	this.myNav = this.navigator;
	this.version = this.navigator.appVersion;
	this.name = this.navigator.appName;
	this.userAgt = this.navigator.userAgent;
	this.ns4 = (document.layers) ? true : false;
	this.ns6 = (this.navigator.userAgent.indexOf("Netscape6") != -1) ? true : false;
	this.dom = (document.getElementById) ? true : false;
	this.ie4 = (document.all) ? true : false;
	this.mac = (this.version.indexOf("Mac") != -1) ? true : false;
	this.ie = (this.version.indexOf("MSIE") != -1) ? true : false;
	this.windows = (this.version.indexOf("Windows") != -1) ? true : false;
	this.hasPlugins = (this.navigator.plugins) ? true : false;
	this.ie6 = (this.version.indexOf("MSIE") != -1 && this.version.indexOf("6") != -1) ? true : false; 
	
	this.ie55 = (this.version.indexOf("MSIE 5.5") != -1) ? true : false;
	this.ie5 = (this.version.indexOf("MSIE 5.01") != -1) ? true : false;
	this.ns = (this.userAgt.indexOf("Netscape") != -1) ? true : false;
	this.ff = (this.userAgt.indexOf("Firefox") != -1) ? true : false;
	this.safari = (this.userAgt.indexOf("Safari") != -1) ? true : false;
}

dom_browser();


// show/hide sub navigation such as whats on sub nav...
function toggleYear(myDiv) { 
	myObj = document.getElementById(myDiv);
	if(myObj != null && typeof(myObj) != "undefined") {
		if(myObj.className.indexOf("hide") != -1) {
			myObj.className = "show";
		} else {
			myObj.className = "hide";
		}
	}
}



//DD Tab Menu- Last updated April 27th, 07: http://www.dynamicdrive.com
//Only 1 configuration variable below

var ddtabmenu={
	disabletablinks: false, ////Disable hyperlinks in 1st level tabs with sub contents (true or false)?
	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.addEvent(window, function(){ddtabmenu.init(tabid, dselected)}, "load")
},

showsubmenu:function(tabid, targetitem){
	var menuitems=this[tabid+"-menuitems"]
 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)
},

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}
		}
		else //for items without a submenu, add onMouseout effect
			menuitems[x].onmouseout=function(){this.className=""}
		menuitems[x].onmouseover=function(){ddtabmenu.showsubmenu(tabid, this)}
		if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href)){
			ddtabmenu.showsubmenu(tabid, menuitems[x])
			var setalready=true
		}
		else if (parseInt(dselected)==x)
			ddtabmenu.showsubmenu(tabid, menuitems[x])
	}
}
}