function changeImages() 
{
  if (document.images && !document.layers) {
    for (var i=0; i<changeImages.arguments.length; i+=2) { 
  		document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src"); 
	}
  }
}

// preload level 1 menu buttons
var btnLevel1 = new Array();
btnLevel1 = ["","about","programs","explore","resources","outreach"];
for (i=0;i<btnLevel1.length;i++) { 
	eval("A"+i+"on = new Image();"); eval("A"+i+"off = new Image();");
	eval("A"+(i)+"on.src = \"" + folderLevel + "img/buttons/l1-"+btnLevel1[i]+"-1.gif\";");
	eval("A"+(i)+"off.src = \"" + folderLevel + "img/buttons/l1-"+btnLevel1[i]+"-0.gif\";");
}

// preload level 2 menu buttons
var btnLevel2 = new Array();

switch (section) {
	case "about" :
		btnLevel2 = ["","overview","committees","management","maine"];
		break;
	
	case "programs" :
		btnLevel2 = ["","overview","projects","monitoring","restore","community","grant"];
		break;
	
	case "explore" :
		btnLevel2 = ["","overview","characterization"];
		break;
	
	case "resources" :
		btnLevel2 = ["","overview","publications","links","maps","buffers","septic","quality-assurance"];
		break;
		
	case "get-involved" :
		btnLevel2 = ["","overview","update","events","eoe","volunteer","solution","press"];
		break;
		
	default:
		btnLevel2 = [""]
		break;
}

for (i=0;i<btnLevel2.length;i++) { 
	eval("B"+i+"on = new Image();"); eval("B"+i+"off = new Image();");
	eval("B"+(i)+"on.src = \"" + folderLevel + "img/buttons/l2-" + section + "-" + btnLevel2[i] + "-r.gif\";");
	eval("B"+(i)+"off.src = \"" + folderLevel + "img/buttons/l2-" + section + "-" + btnLevel2[i] + "-0.gif\";");
}
// end level two preload

// preload constant buttons
var btnLevel1 = new Array();
btnLevel1 = ["","home","contact","sitemap"];
for (i=0;i<btnLevel1.length;i++) { 
	eval("C"+i+"on = new Image();"); eval("C"+i+"off = new Image();");
	eval("C"+(i)+"on.src = \"" + folderLevel + "img/buttons/cnst-"+btnLevel1[i]+"-r.gif\";");
	eval("C"+(i)+"off.src = \"" + folderLevel + "img/buttons/cnst-"+btnLevel1[i]+"-0.gif\";");
}

footerArrow1on = new Image(); footerArrow1on.src = "" + folderLevel + "img/footer-arrow-r.gif"; footerArrow1off = new Image(); footerArrow1off.src = "" + folderLevel + "img/footer-arrow-0.gif";
footerArrow2on = new Image(); footerArrow2on.src = "" + folderLevel + "img/footer-arrow-r.gif"; footerArrow2off = new Image(); footerArrow2off.src = "" + folderLevel + "img/footer-arrow-0.gif";

// START NETSCAPE 4 RESIZE ON RELOAD
NS4 = document.layers;
if (NS4) {
  origWidth = innerWidth;
  origHeight = innerHeight;
}
function reDo() {
  if (innerWidth != origWidth || innerHeight != origHeight) {
  location.reload();
  }
}
if (document.layers) {
  onresize = reDo;
}
// END NETSCAPE 4 RESIZING