// value validation
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;
		}
	}
}

// digit validation
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;
		}
	}
}

//  empty validation
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;
		}
	}
}

// email validation
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 digitvalidation(entered, min, max, alertbox) {
	if ((entered.value.length > max) || (entered.value.length < min)) {
		alert(alertbox);
		return false;
	} else {
		return true;
	}
}

// checkbox is selected?
function checkselectedvalidation(entered, alertbox)
{
	if (entered.checked == false) {
		alert(alertbox);
		return false;
	} else {
		return true;
	}
}

function digitvalidation(entered, min, max, alertbox) {
	if ((entered.value.length > max) || (entered.value.length < min)) {
		alert(alertbox);
		return false;
	} else {
		return true;
	}
}