function emailvalidation(entered, alertbox)
{
// E-mail Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
lastpos=value.length-1;
if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2)
{if (alertbox) {alert(alertbox);} return false;}
else {return true;}
}
}

function valuevalidation(entered, min, max, alertbox, datatype)
{
// Value Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
{smalldatatype=datatype.toLowerCase();
if (smalldatatype.charAt(0)=="i") {checkvalue=parseInt(value)};
}
if ((parseFloat(min)==min && checkvalue<min) || (parseFloat(max)==max && checkvalue>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}


function digitvalidation(entered, min, max, alertbox, datatype)
{
// Digit Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
{smalldatatype=datatype.toLowerCase();
if (smalldatatype.charAt(0)=="i")
{checkvalue=parseInt(value); if (value.indexOf(".")!=-1) {checkvalue=checkvalue+1}};
}
if ((parseFloat(min)==min && value.length<min) || (parseFloat(max)==max && value.length>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}


function emptyvalidation(entered, alertbox)
{
// Emptyfield Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
if (value==null || value=="")
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}

function formvalidation(form)
{
// This function checks the entire form before it is submitted
// Note: This function needs to be customized to fit your form
	var radio_selected = false;
	var to_join = false;

	if (document.form.join[0].checked) {
		to_join = true
		radio_selected = true
	}
	else if ( document.form.join[1].checked)
	{
		radio_selected = true
	}
	else {alert("Please indicate if you would like to join our mailing list."); return false; }
	
	if(radio_selected){
	with (form)
	{	
		if (emptyvalidation(name,"Please enter your name.")==false) {name.focus(); return false;};
		if (emptyvalidation(comment,"Please enter your comment.")==false) {comment.focus(); return false;};
		if (to_join) {
			if (emailvalidation(email,"Please enter a valid email address.")==false) {email.focus(); return false;};
			if (emptyvalidation(phone,"Please enter your telephone no.")==false) {phone.focus(); return false;};
			if (emptyvalidation(address,"Please enter your address.")==false) {address.focus(); return false;};
			if (emptyvalidation(city,"Please enter your city.")==false) {city.focus(); return false;};
			if (emptyvalidation(state,"Please enter your provience/state.")==false) {state.focus(); return false;};
			if (emptyvalidation(country,"Please enter your country.")==false) {country.focus(); return false;};
			if (emptyvalidation(zip,"Please enter your postal code.")==false) {zip.focus(); return false;};
	//if (emptyvalidation(join,"Would you like to join our mailing list or not?")==false) {join.focus(); return false;};
		}
	}
	}
	else {alert("Errors"); return false; }
}