var mouseOvers = new Array();
	var mouseOuts = new Array();

	window.onload = function () {
		MouseOvers("nav");
	}

	function NewWindow (section) {
		nav = document.getElementById(section);
		links = nav.getElementsByTagName("a");

		for (x = 0; x < links.length; x++) {
			links[x].onclick = function () {
				window.open(this.href, '_blank');
				return false;
			}
		}
	}



	function MouseOvers (section) {
		var nav = document.getElementById(section);
		var imgs = nav.getElementsByTagName("img");

		for (i = 0; i < imgs.length; i++) {
			if (imgs[i].id != 'mouseovers_current') { 
			imgs[i].onmouseover = function () {
				this.src = mouseOvers[this.number].src;
			}
			imgs[i].onmouseout = function () {
				this.src = mouseOuts[this.number].src;		
			}
		}
			var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
			mouseOuts[i] = new Image();
			mouseOuts[i].src = imgs[i].src;
			mouseOvers[i] = new Image();
			mouseOvers[i].src = imgs[i].src.substring(0, imgs[i].src.lastIndexOf('.')) + "_on" + suffix;
			imgs[i].number = i;
		}
	}



	        function pageup(e) {
		        UAGENT = navigator.userAgent.toUpperCase();
		        if (UAGENT.indexOf("MSIE") >=0) { posi = event.y; }
		        else { posi = e.pageY; }
		        moveObje(posi);
	        }
		        function moveObje(position) {
		        move = position / 15;
		        point = parseInt(position - move);
		        scrollTo(0,point);
		        if (point > 0) { setTimeout("moveObje(point)",15); }
	        }


//image swapping function:

a1 = new Image();
a1.src = "_images/buttons/comm_banner.jpg";
a2 = new Image();
a2.src = "_images/buttons/comm_banner_on.jpg";

b1 = new Image();
b1.src = "_images/buttons/dev_banner.jpg";
b2 = new Image();
b2.src = "_images/buttons/dev_banner_on.jpg";

c1 = new Image();
c1.src = "_images/buttons/agric_banner.jpg";
c2 = new Image();
c2.src = "_images/buttons/agric_banner_on.jpg";

d1 = new Image();
d1.src = "_images/buttons/resid_banner.jpg";
d2 = new Image();
d2.src = "_images/buttons/resid_banner_on.jpg";

e1 = new Image();
e1.src = "_images/buttons/report_banner.jpg";
e2 = new Image();
e2.src = "_images/buttons/report_banner_on.jpg";

f1 = new Image();
f1.src = "_images/buttons/plan_banner.jpg";
f2 = new Image();
f2.src = "_images/buttons/plan_banner_on.jpg";

function hiLite(imgDocID, imgObjName, comment) {
document.images[imgDocID].src = eval(imgObjName + ".src");
window.status = comment; return true;
} 


//change photo of background

x=document.getElementById("photo");

var backImage = new Array(); 

backImage[0] = "_images/photos/1.jpg";
backImage[1] = "_images/photos/2.jpg";
backImage[2] = "_images/photos/3.jpg";
backImage[3] = "_images/photos/4.jpg";
backImage[4] = "_images/photos/5.jpg";
backImage[5] = "_images/photos/6.jpg";
backImage[6] = "_images/photos/7.jpg";
backImage[7] = "_images/photos/8.jpg";
backImage[8] = "_images/photos/9.jpg";


function changeBGImage(whichImage){
x.style.backgroundImage="url(_image/photos/1.jpg)";
//document.write("<p>The text from the intro paragraph: " + x.background + "</p>");
//= backImage[whichImage];
}