/* Function form */
function SetFocus(TargetFormName) {
  var target = 0;
  if (TargetFormName != "") { for (i=0; i<document.forms.length; i++) { if (document.forms[i].name == TargetFormName) { target = i; break; } } } 
  var TargetForm = document.forms[target]; 
  for (i=0; i<TargetForm.length; i++) { if ( (TargetForm.elements[i].type != "image") && (TargetForm.elements[i].type != "hidden") && (TargetForm.elements[i].type != "reset") && (TargetForm.elements[i].type != "submit") ) { TargetForm.elements[i].focus();  if ( (TargetForm.elements[i].type == "text") || (TargetForm.elements[i].type == "password") ) { TargetForm.elements[i].select(); }  break; } } 
}
function RemoveFormatString(TargetElement, FormatString) { if (TargetElement.value == FormatString) { TargetElement.value = ""; } TargetElement.select(); }
function CheckDateRange(from, to) { if (Date.parse(from.value) <= Date.parse(to.value)) { return true; } else { return false; } } 
function IsValidDate(DateToCheck, FormatString) {
  var strDateToCheck; var strDateToCheckArray; var strFormatArray; var strFormatString; var strDay; var strMonth; var strYear; var intday; var intMonth; var intYear;   var intDateSeparatorIdx = -1;
  var intFormatSeparatorIdx = -1;
  var strSeparatorArray = new Array("-"," ","/",".");
  var strMonthArray = new Array("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec");
  var intDaysArray = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

  strDateToCheck = DateToCheck.toLowerCase();
  strFormatString = FormatString.toLowerCase();
  
  if (strDateToCheck.length != strFormatString.length) { return false; } 
  for (i=0; i<strSeparatorArray.length; i++) { if (strFormatString.indexOf(strSeparatorArray[i]) != -1) {   intFormatSeparatorIdx = i;   break; } } 
  for (i=0; i<strSeparatorArray.length; i++) { if (strDateToCheck.indexOf(strSeparatorArray[i]) != -1) { intDateSeparatorIdx = i; break; } } 
  if (intDateSeparatorIdx != intFormatSeparatorIdx) { return false; } 
  if (intDateSeparatorIdx != -1) {
    strFormatArray = strFormatString.split(strSeparatorArray[intFormatSeparatorIdx]);
	if (strFormatArray.length != 3) { return false; } 
    strDateToCheckArray = strDateToCheck.split(strSeparatorArray[intDateSeparatorIdx]);
    if (strDateToCheckArray.length != 3) { return false; }
    for (i=0; i<strFormatArray.length; i++) {
		if (strFormatArray[i] == 'mm' || strFormatArray[i] == 'mmm') { strMonth = strDateToCheckArray[i]; }
		if (strFormatArray[i] == 'dd') { strDay = strDateToCheckArray[i]; }
		if (strFormatArray[i] == 'yyyy') { strYear = strDateToCheckArray[i]; }     
	}
  } else {
    if (FormatString.length > 7) {
	  if (strFormatString.indexOf('mmm') == -1) { strMonth = strDateToCheck.substring(strFormatString.indexOf('mm'), 2); } else { strMonth = strDateToCheck.substring(strFormatString.indexOf('mmm'), 3); } 
      strDay = strDateToCheck.substring(strFormatString.indexOf('dd'), 2);
      strYear = strDateToCheck.substring(strFormatString.indexOf('yyyy'), 2);
    } else {
      return false;
    }
  }
  
  if (strYear.length != 4) { return false; } 
  intday = parseInt(strDay, 10);
  if (isNaN(intday)) { return false; }   
  if (intday < 1) { return false; } 
  intMonth = parseInt(strMonth, 10);
  if (isNaN(intMonth)) {
  for (i=0; i<strMonthArray.length; i++) { if (strMonth == strMonthArray[i]) { intMonth = i+1; break; } }     
  if (isNaN(intMonth)) { return false; } }   
  if (intMonth > 12 || intMonth < 1) { return false; } 
  intYear = parseInt(strYear, 10);
  if (isNaN(intYear)) { return false; }
  if (IsLeapYear(intYear) == true) { intDaysArray[1] = 29; }
  if (intday > intDaysArray[intMonth - 1]) { return false; }  
  
  return true;
}
function IsLeapYear(intYear) {
	if (intYear % 100 == 0) { if (intYear % 400 == 0) { return true; } } else { if ((intYear % 4) == 0) { return true; } } return false;
}

/* Function Div */
function gshowdiv(divid) { if(document.getElementById(divid)) { document.getElementById(divid).style.display = 'block'; return true; } else { return false; } }
function ghidediv(divid) { if(document.getElementById(divid)) { document.getElementById(divid).style.display = 'none'; return true; } else { return false; } }
function gwriteindiv(divid,message) { document.getElementById(divid).innerHTML = message; }
function gswapdiv(divhide,divshow) { ghidediv(divhide); gshowdiv(divshow); }
function display_div_message(dividcont,dividmess,message) { if(gshowdiv(dividcont)) gwriteindiv(dividmess,message); }