ie4 = ((navigator.appName == 'Microsoft Internet Explorer') && (parseInt(navigator.appVersion) >= 4 ));
ns3 = ((navigator.appName == 'Netscape') && (parseInt(navigator.appVersion) >= 3 ));

if (ns3 || ie4) {
	preload();
}

// Bilder Preload ////////////////////////////////////////////////////////////////////////////
function preload() {
  	images = new Array();
//MainNavigation
	images[100] = '/_img/nyh_ag-of.gif';
	images[101] = '/_img/nyh_ag-on.gif';
	images[110] = '/_img/kompetenz-of.gif';
	images[111] = '/_img/kompetenz-on.gif';
	images[120] = '/_img/erfahrung-of.gif';
	images[121] = '/_img/erfahrung-on.gif';
	images[130] = '/_img/kontakt-of.gif';
	images[131] = '/_img/kontakt-on.gif';

images[140] = '/_img/ir-of.gif';
	images[141] = '/_img/ir-on.gif';	im = new Array();
	for (var i = 0; i < images.length; i++){
	     im[i] = new Image();
	     im[i].src = images[i];
	}
}

function hilite_pic(num,imgname) {
  if (ns3 || ie4) {
    imgname.src = im[num].src;
	}
}
function clic_pic(num,imgname,num2,imgname2,num3,imgname3,num4,imgname4,num5,imgname5) {
  if (ns3 || ie4) {
    imgname.src = im[num].src;
  	imgname2.src = im[num2].src;
  	imgname3.src = im[num3].src;
  	imgname4.src = im[num4].src;
  	imgname5.src = im[num5].src;
	}
}