function checkInt(field, low, high, def) {
	i=parseInt(field.value);
	if ((isNaN(i)) || (i<low) || (i > high))
	{	window.alert("Please enter a number between "+ low + " and " + high );
		field.value=def;
		field.focus();
		
	}
}

function checkFloat(field, low, high, def) {
	i=parseFloat(field.value);
	if ((isNaN(i)) || (i<low) || (i > high))
	{	window.alert("Please enter a number between "+ low + " and " + high );
		field.value=def;
		field.focus();
		
	}
}

function checkEndorser(field) {
	if (field.value.length>5) {
		document.supporterform.Endorser.checked=true;
	}
	else {
		document.supporterform.Endorser.checked=false;
	}

}