//email protect
function protect(name, address, ext, display){
	var link = name + "@" + address +"." + ext
	if(!display) { display = link; }
	document.write("<a href='mai" + "lto:" + link + "'>" + display + "</a>");
}
//form validation
function validate_required(field,alerttxt){
	with (field){
	if (value==null||value=="")
	{alert(alerttxt);return false}
	else {return true}
	}
}
function validate_email(field,alerttxt){
	with (field){
	apos=value.indexOf("@")
	dotpos=value.lastIndexOf(".")
	if (apos<1||dotpos-apos<2) 
		{alert(alerttxt);return false}
	else {return true}
	}
}
function validate_form(thisform){
	with (thisform){
	if (validate_required(name,"Please enter your name")==false)
	{name.focus();return false}
	if (validate_required(email,"Please enter your email address")==false)
	{email.focus();return false}
	if (validate_required(message,"Please enter your message")==false)
	{message.focus();return false}
	if (validate_email(email,"I think you've made a mistake with your email address")==false)
	{email.focus();return false}
	}
}