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, 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(thisform)
{
// This function checks the entire form before it is submitted
// Note: This function needs to be customized to fit your form

	with (thisform)
	{
		if (emptyvalidation(author,"Please fill in your first name")==false) {author.focus(); return false;};
		//if (emailvalidation(email,"Please enter a valid email address")==false) {email.focus(); return false;};
		if (validateTextArea(text,"Please fill in the answer field")==false) {text.focus(); return false;};
	}

}


function validateTextArea(txt,alertbox)
{
	
	if(txt.value.length>0)
	{
		return true;
	}
	else
	{
		alert(alertbox)
   		return false;
	}
	
}

function validateCheckBox(chk, alertbox){
  if (chk.checked == 1)
  {
	return true;
  }
  else
  {
    alert(alertbox)
   return false;
  }
}


function validateDropDown(entered, alertbox)
{
with (entered)
{
if (value==null || value=="")
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}