var form_submitted = false;

function SubmitForm()
{
  if (form_submitted)
  {
    alert ( "Your request has already been submitted. Please wait..." );
    return false;
  }
  else
  {
    form_submitted = true;
    return true;
  };
};

function isValidEmail(str) {    
  var iPos = str.indexOf("@");
  
  if (str.indexOf("@",iPos + 1) != -1)
  {
    return false;
  };
  
  if (iPos > 0){
    if (str.lastIndexOf(".") > iPos){
      return true;
    };
  };  
};

function checkField(id,colorid,len)
{  
  var cntrl = document.getElementById(id);
  var ccntrl = document.getElementById(colorid);

  if (cntrl)
  {    
    if (cntrl.disabled == true) return 0;
    
    if (cntrl.value == "")
    {  
      ccntrl.style.color = 'red';
      return 1;
    }
    else
    {
      if (len != null){
        if (cntrl.value.length >= parseInt(len)){
          ccntrl.style.color = '';
          return 0;                
        }
        else
        {
          ccntrl.style.color = 'red';
          return 1;
        };      
      }
      else
      {
        ccntrl.style.color = '';
        return 0;
      };
    }; 
  }
  else
  {
    return 0;       
  };  
};

function autoMask(field, event, sMask) {
  var KeyCode = getKeyCode(event);
  var KeyTyped = String.fromCharCode(KeyCode);
  var targ = getTarget(event);
  var isValid = false;
  keyCount = targ.value.length;
  
  if (KeyCode < 32)
  {
    return true;
  };
  
	if(keyCount == sMask.length)
	{
	  return false;
	};
	
	if ((sMask.charAt(keyCount) == '#') && isNumeric(KeyTyped))
  {
    isValid = true;
  }  
  else if ((sMask.charAt(keyCount) == 'A') && isAlpha(KeyTyped))
  {
    isValid = true;
  };
	
	if ((sMask.charAt(keyCount+1) != '#') && (sMask.charAt(keyCount+1) != 'A' ) && isValid)
  {    
    field.value = field.value + KeyTyped + sMask.charAt(keyCount+1);
    return false;
  }
  else if (isValid)
  {
    return true;
  };
  	
  if (sMask.charAt(keyCount) == '*')
  {    
    return true;
  };
   
  if ((sMask.charAt(keyCount+1) == '?') )
  {
    field.value = field.value + KeyTyped + sMask.charAt(keyCount+1);
    return true;
  };
    
  return false;
};

function getTarget(e) {
 if (e.srcElement) {
      return e.srcElement;
 };
 if (e.target) {
      return e.target;
 };
};

function getKeyCode(e) {
  if (e.srcElement) {  
   return e.keyCode
  };

  if (e.target) {  
   return e.which
  };
};

 function isNumeric(c)
{
  var sNumbers = "01234567890";
  if (sNumbers.indexOf(c) == -1){
          return false;
  }
  else {return true;
  };
};

function isAlpha(c)
{
  var lCode = c.charCodeAt(0);
  if (lCode >= 65 && lCode <= 122 )
    {
          return true;
   }
  else{
    return false;
  };
};

function isPunct(c)
{
  var lCode = c.charCodeAt(0);
  if (lCode >= 32 && lCode <= 47 )
    {
          return true;
   }
  else{  
    return false;
  };
};

function createCookie(name,value,days,mins)
{
  var now = new Date();
	
	if (days != 0)
	{
		now.setTime(now.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+now.toGMTString();		
	};
 
  if (mins != 0)
	{	  
	  var minutes = now.getMinutes();
	  minutes = minutes + mins;
	  now.setMinutes(minutes);
	  var expires = "; expires="+now.toGMTString();	  
	};
	
	if (mins == 0 && days == 0){	
	  var expires = "";
	};
	
	document.cookie = name+"="+value+expires+"; path=/";	
};

function readCookie(name)
{
	var nameEQ = name + "=";	
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	};
	return null;
};

function eraseCookie(name)
{
	createCookie(name,"",0,0);
};

function CallCalendar(tripType,ele,sourceEle,dateOffsetInDays,setFocusTo)
{
  var cntrl;  
  var ttype;
    
  if (tripType.length == 'undefined')
  {
    ttype = tripType.value;
  }
  else
  {
    for( i = 0; i < tripType.length; i++ )
    {
      if( tripType[i].checked == true )
      ttype = tripType[i].value;
    };
  };    
  
  if (ttype != '')
  {
    if (ttype == 'openJaw')
    {        
      cntrl = document.frmGui.txtDepartOn2;
    }
    else if (ttype == 'oneWay')
    {
      setFocusTo = document.frmGui.selNumberOfAdults;
    }
    else if (ttype == 'roundTrip')
    {          
      cntrl = document.frmGui.txtReturnOn;      
    };   
    scwShowSetOffsetNext(ele, sourceEle,cntrl,dateOffsetInDays,setFocusTo,ttype);
  };
};

function formatToTwoDecimals(value)
{
  var pos = value.indexOf('.');
  
  if (pos == -1) return value + '.00';
  
  var valueLen = value.substring(pos + 1).length;
                                        
  if (valueLen == 1)
  {
    value = value + '0';
  }
  else if (valueLen > 2)
  {
    value = value.substring(0,pos + 2);  
  };
  
  return value;

};

function addLeadingZero(value)
{  
  value = value + '';
  var len = 2 - value.length;
  
  for (i=0;i<=len-1;i++)
  {    
    value = "0" + value;  
  };
  
  return value;

};