// ===============================================================
// CBkort version 2.x, copyright Carl Bro GIS&IT, 2006
// ===============================================================
// $Archive: /Products/CBKort2/development/2.3/standard/wwwroot/js/standard/validate.js $ 
// $Date: 11-09-07 17:51 $
// $Revision: 2 $ 
// $Author: Kpo $
// =============================================================== 

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validAlpha(formField,fieldLabel,required)
{
	var result = true;
  
	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result && formField.value.length > 0)
 	{
 		if (!formField.value.match("^[A-ZÆØÅa-zæøå ]+$"))
 		{
 			alert('Please enter characters only for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
  
}



function validDate(formField,fieldLabel,required)
{
	var result = true;
  var objDate;

	if (required && !validRequired(formField,fieldLabel))
		result = false;

 	if (result && formField.value.length > 0)
 	{
 	  objDate = parseDate(formField.value)
 		if (objDate == null)
 		{
 			alert('Please enter a date for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}
function validAmount(formField,fieldLabel,required)
{
	var result = true;
  
	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result && formField.value.length > 0)
 	{
 		if (!formField.value.match("^[0-9][0-9]{0,2}([,.]?[0-9]{3,3})*$"))
 		{
 			alert('Please enter an amount for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
  
}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;
 	  alert("0");

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 	  alert("1");
 		var num = parseInt(formField.value,10);
 		alert(num);
 		if (isNaN(num))
 		{
 	  alert("2");
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validDqte(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}

function validRegex( formField, fieldLabel, regex, text )
{
	var result = true;
 	if (!formField.value.match( regex ))
 	{
 		alert( fieldLabel + ': '+text );
		formField.focus();		
		result = false;
	}
	
	return result;
}