nav10 = new Image(); nav10.src = "/images/convis-new/nav10.gif";
nav20 = new Image(); nav20.src = "/images/convis-new/nav21.gif";
nav30 = new Image(); nav30.src = "/images/convis-new/nav30.gif";
nav40 = new Image(); nav40.src = "/images/convis-new/nav40.gif";
nav50 = new Image(); nav50.src = "/images/convis-new/nav50.gif";
nav60 = new Image(); nav60.src = "/images/convis-new/nav60.gif";	
nav70 = new Image(); nav70.src = "/images/convis-new/nav70.gif";
nav80 = new Image(); nav80.src = "/images/convis-new/nav80.gif";
nav90 = new Image(); nav90.src = "/images/convis-new/nav90.gif";		
nav100 = new Image(); nav100.src = "/images/convis-new/nav100.gif";		
nav11 = new Image(); nav11.src = "/images/convis-new/nav11.gif";
nav21 = new Image(); nav21.src = "/images/convis-new/nav21.gif";
nav31 = new Image(); nav31.src = "/images/convis-new/nav31.gif";
nav41 = new Image(); nav41.src = "/images/convis-new/nav41.gif";
nav51 = new Image(); nav51.src = "/images/convis-new/nav51.gif";
nav61 = new Image(); nav61.src = "/images/convis-new/nav61.gif";
nav71 = new Image(); nav71.src = "/images/convis-new/nav71.gif";
nav81 = new Image(); nav81.src = "/images/convis-new/nav81.gif";
nav91 = new Image(); nav91.src = "/images/convis-new/nav91.gif";	
nav101 = new Image(); nav101.src = "/images/convis-new/nav101.gif";	

function over(imgName) {
	document[imgName].src = eval(imgName + "1.src");
}

function out(imgName) {
	document[imgName].src = eval(imgName + "0.src");
}

var remember = '';
function show(obj) {
	if ( (!(document.getElementById || document.all || document.layers)) || obj.parentNode.className) return;
	obj.parentNode.className = 'over';
	remember = obj.parentNode;
}
function hide() {
	if (!(document.getElementById || document.all || document.layers) ) return;
	remember.className = '';
}

function clearDefault(el) {
 if (el.defaultValue==el.value) el.value = ""
}