function initSubNav(){
	if (document.getElementById){
	//turns current subnav item on except on homepage
		if (!document.getElementById('bodyhome')){
			var subnav = document.getElementById('nav');  	//finds subnav element
			var subnavas = subnav.getElementsByTagName('a'); 	//finds all anchors within subnav
			for (var a=0; a<subnavas.length; a++){		//cycles through each link
				var currenthref=String(subnavas[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)){
					subnavas[a].className="navon"
				}
			}
	  	}
	}
		if (document.getElementById){
	//turns current subnav item on except on homepage
		if (document.getElementById('snav')){
			var subnav = document.getElementById('snav');  	//finds subnav element
			var subnavas = subnav.getElementsByTagName('a'); 	//finds all anchors within subnav
			for (var a=0; a<subnavas.length; a++){		//cycles through each link
				var currenthref=String(subnavas[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)){
					subnavas[a].className="snavon"
				}
			}
	  	}
	}
if (document.getElementById("bodyhome") && document.getElementById("rand")) homePhoto();	
  }
  
function homePhoto() {
	var ph = genRand(3);
	var phbg = document.getElementById("h-photo");
	var title = document.getElementById("l-photo");
	phbg.style.backgroundImage = "url(img/h-photo" + ph + ".jpg)";
	title.style.backgroundImage = "url(img/l-photo" + ph + ".jpg)";
}

function genRand(x) {
 var range = x;
 return Math.floor(Math.random() * range) + 1;
}  

window.onload = initSubNav;