ie = document.all?true:false;
ns = document.layers?true:false;

if(ns) {
	div1 = new Layer();
}

   function show(img,imgsrc,dv1) {
	if (ie) {
		document[img].src=imgsrc;
		eval('document.all.' + dv1 + '.style.visibility = "visible"');
		
	 }
	else {
		document[img].src=imgsrc;
		eval('document.' + dv1 + '.visibility = "show"');
	}
	}
   function hide(img,imgsrc,dv1) {
	if (ie) {
		document[img].src=imgsrc;
		eval('document.all.' + dv1 + '.style.visibility = "hidden"');
		
	 }
	else {
		document[img].src=imgsrc;
		eval('document.' + dv1 + '.visibility = "hide"');
	}
	}