// this creates the "where am i" effect for the nav that lets the user know where they are 
function initNav(){
		if (document.getElementById){
		if (document.getElementById('nav')){
			var nav = document.getElementById('nav');  	//finds nav element
			var navas = nav.getElementsByTagName('a'); 	//finds all anchors within nav

			for (var a=0; a<navas.length; a++){		//cycles through each link
				var currenthref=String(navas[a].href);	//assigns current link href to a string
				var currentloc=String(document.location);	//assigns current document url to a string
				//if the current link href matches the document url the anchor is given a class
				if (unescape(currenthref)==unescape(currentloc)){
					navas[a].className="active"
				}
			}
	  	}
	}
}
window.onload = initNav;