function change(imgName,targ,who) {

	var browserName = navigator.appName;
	var browserVer = parseInt(navigator.appVersion);
	 
	var ns3up = (browserName == "Netscape" && browserVer >= 3);
	var ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);

	if (who.getAttribute('alt') != null)
	{
		document.getElementById("context").innerHTML=who.getAttribute('alt');
	}
	if (ns3up || ie4up)
	{
		var imgOn = ("" + imgName);
		document.getElementById(targ).src = imgOn;
	}
}


/*
function resetForm(form) {
	document.getElementById(form).reset();
}

function checkInputs() {
	var i=0;
	var name = document.getElementById('name');
	var email = document.getElementById('email');
	var betreff = document.getElementById('betreff');
	var text = document.getElementById('text');
	
	if(name.value =='') { i++; name.style.border='1px dotted #E25945'; }
	else { name.style.border='1px solid #EEEEEE'; }
	
	if(email.value =='') { i++; email.style.border='1px dotted #E25945'; }
	else { email.style.border='1px solid #EEEEEE'; }
	
	if(betreff.value =='') { i++; betreff.style.border='1px dotted #E25945'; }
	else { betreff.border='1px solid #EEEEEE'; }
	
	if(text.value =='') { i++; text.style.border='1px dotted #E25945'; }
	else { text.style.border='1px solid #EEEEEE'; }
	
	if(i=='0') {
		document.getElementById('error').setAttribute('class','hide');
		document.getElementById('success').setAttribute('class','success');
	} else {
		document.getElementById('error').setAttribute('class','error');
		document.getElementById('success').setAttribute('class','hide');
	}
}

*/