//<script type="text/javascript">
      var errorBackgroundcolor = '#ff0000'
      function validDateById(id, errorLayer) {
         if(!errorLayer){errorLayer=id + '_err'}
          var obj = document.getElementById(id)
          return validDate(obj, errorLayer)
      }
      function showErrorLayer(id, hasNoErrors) {
          var obj = document.getElementById(id)
          if (hasNoErrors) {
              obj.style.display = 'none'
          } else {
              obj.style.display = 'block'
          }
      }

      function setErrorLabel(obj, errorLayer, show) {

          var err = document.getElementById(obj.id + '_err')

          if (err) {
              if (show) {
                  if (obj.type == 'select-one') { err.className = 'errLabelSelect1' }
                  else if (obj.type == 'checkbox') { err.className = 'errLabelCheckbox1' }
                  else if (obj.type == 'textarea') { err.className = 'errLabelTextarea1' }
                  else { err.className = 'errLabel1' }
              } else {
              if (obj.type == 'select-one') { err.className = 'errLabelSelect0' }
              else if (obj.type == 'checkbox') { err.className = 'errLabelCheckbox0' }
              else if (obj.type == 'textarea') { err.className = 'errLabelTextarea0' }
                  else { err.className = 'errLabel0' }
              }
          } else if (show) {
              alert('errorLabel mit ID:' + obj.id + '_err wurde nicht gefunden')
          }
          if (show) { appendErrorMessage(obj, errorLayer) }
          if (!show) { removeErrorMessage(obj, errorLayer) }

          return !show
      }
      
      var errorListArray = new Array();
      function getErrorList(errorLayer) {
          if (!errorListArray[errorLayer]) {
              errorListArray[errorLayer] = new Array()
          }
          return errorListArray[errorLayer]
      }

      function appendErrorMessage(obj, errorLayer) {
          var errorList = getErrorList(errorLayer);
          var o = new Object();
          for (i = 0; i < errorList.length; i++) {
              if (obj == errorList[i]) {
                  return
              }
          }
          if (obj.attributes['errorText']) {
              errorList.push(obj)
          }
          resetErrorList(errorLayer)
      }
      function removeErrorMessage(obj, errorLayer) {
          var errorList = getErrorList(errorLayer);
          var o = new Object();
          for (i = 0; i < errorList.length; i++) {
              if (obj == errorList[i]) {
                  errorList[i] = 0
              }
          }
          resetErrorList(errorLayer)
      }
      function resetErrorList(errorLayer) {
          var errorList = getErrorList(errorLayer);
          var obj = document.getElementById(errorLayer)
          if(!errorLayer)return;
          obj.innerHTML = ''

          for (i = 0; i < errorList.length; i++) {
              if (errorList[i].attributes) {
                  obj.style.display = 'block'
                  obj.innerHTML += '<li>' + errorList[i].attributes['errorText'].value + '</li>'
              }
          }
          if (obj.innerHTML.length > 0) { obj.innerHTML = '<ul>' + obj.innerHTML + '</ul>' }
      }

      function validDate(obj, errorLayer, minDate, maxDate) {
          return setErrorLabel(obj, errorLayer, (!validDateFunction(obj.value, minDate, maxDate))   )
      }
      function validInteger(obj, errorLayer,minValue,maxValue) {
          var val;
          if (obj.type == 'select-one') { val = obj.options[obj.selectedIndex].value; } else { val = obj.value }
          var isValid = true;
          if (minValue) { if (!isNaN(minValue) && !isNaN(val)) { if (minValue > val) { return setErrorLabel(obj, errorLayer, (true)) } } }
          if (maxValue) { if (!isNaN(maxValue) && !isNaN(val)) { if (maxValue < val) { return setErrorLabel(obj, errorLayer, (true)) } } }
          return setErrorLabel(obj, errorLayer, (isNaN(val)))
      }
      function validDouble(obj, errorLayer, minValue, maxValue) {
          return validInteger(obj, errorLayer, minValue, maxValue)
      }
      function validIntegerSelectBox(obj, errorLayer, minValue) {
          var val = obj.options[obj.selectedIndex].value; return setErrorLabel(obj, errorLayer, (obj.value < minValue))
      }
      function validChecked(obj, errorLayer) {
          return setErrorLabel(obj, errorLayer, !obj.checked)
      }
      function validString(obj, errorLayer, minLength, maxLength) {
          if (!minLength) { minLength = 0 }
          if (obj) {
              var ret = obj.value.length < minLength
              if (maxLength) {                    
                  if (obj.value.length > maxLength) ret = true;
              }
              return setErrorLabel(obj, errorLayer, ret);
          }
      }

      function validIntegerById(id, errorLayer, minValue, maxValue) {
          var obj = document.getElementById(id);
          return validIntegerSelectBox(obj, errorLayer, minValue, maxValue)
      }
      function validCheckedById(id, errorLayer) {
          var obj = document.getElementById(id);
          return validChecked(obj, errorLayer)
      }
      function validStringById(id, errorLayer, minLength, maxLength) {

          var obj = document.getElementById(id);
          return validString(obj, errorLayer, minLength, maxLength)
      }
      function validEmailById(id, errorLayer) {
          var obj = document.getElementById(id);
          return validEmail(obj, errorLayer)
      }


      function validEmail(obj, errorLayer) {
          obj.value = trim(obj.value)
          var filter = /^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i
          return setErrorLabel(obj, errorLayer, (!filter.test(obj.value)))
      }



      function createDate(sDate) {
          if (!sDate) return null;
          if (trim(sDate) == '') {
              return null
          }
          var iDay, iMonth, iYear;
          var arrValues;
          var today = new Date();
          arrValues = sDate.split(".");
          iDay = arrValues[0];
          iMonth = arrValues[1];
          iYear = arrValues[2];


          if ((iMonth == null) || (iYear == null)) {
              return null
          }
          if ((iDay > 31) || (iMonth > 12) || (iYear < 1900 || iYear > 2101)) {
              return null
          }

          var dummyDate = new Date(iYear, iMonth-1, iDay);
         
          if ((dummyDate.getDate() != iDay) || (dummyDate.getMonth() != iMonth-1) || (dummyDate.getFullYear() != iYear)) {
              return null
          }
          return dummyDate
      }


      function validDateFunction(sDate, sMin, sMax) {
          var d = createDate(sDate)
          var min = createDate(sMin)
          var max = createDate(sMax)
          if (d == null) return false;
          if (min) { if (min > d) return false; }
          if (max) { if (max < d) return false; }

          return true
      }
      function trim(s) {
          while (s.substring(0, 1) == ' ') {
              s = s.substring(1, s.length);
          }
          while (s.substring(s.length - 1, s.length) == ' ') {
              s = s.substring(0, s.length - 1);
          }
          return s;
      }

      function appAtt(id, attName, attValue) {
          var obj = document.getElementById(id)

          var attr = document.createAttribute(attName);
          attr.value = attValue;
          try
          {obj.attributes.setNamedItem(attr);}
          catch(e) {//alert(id)
          }
          
      }
      function appErr(id, attValue) {
          appAtt(id, 'errorText', attValue);
      }
      //</script>

//

//  ______________________________________________________________________
//  |copyright Chris Cluss - Berlin http://www.adjustment.de              |
//  |This script is as it is with no warranty.                            |
//  |You can use this script or parts of it for any commercial and        |
//  |non-commercial purposes if you leave this copyright note at the      |
//  |head of this script.                                                 |
//  |_____________________________________________________________________|
//

var formPageChanged = false
var formPageValuesArray = new Array()
var TabPanelMarkString = ''//'<font color="red">*</font>' //do not  "" as quotes in the markstring ... 
var TabPanelFindString = 'TabPanel'               //searching for TabPanel1 or TabPanel2 ...
var TabPanelSpanIDPrefix = '__tab_ctl00_mainContent_TabContainer1_'  //search the HTMLCode for the span-tag of the tab-panel headline
var skipMarkTabPanel = false
var pageFormName = "form1"
var markColor = "#ffffff"                         //background-color of the changed Elements

if (window.addEventListener) {
    window.addEventListener('load', initFormChanged, false)
} else {
    window.attachEvent('onload', initFormChanged)
    TabPanelMarkString = TabPanelMarkString.replace(/"/g, '') //dom-object of IE removes quotes

}

function initFormChanged() {
    for (var i = 1; i < document.forms[pageFormName].elements.length; i++) {
        obj = document.forms[pageFormName].elements[i]
        var tmpArr = new Array()
        tmpArr[0] = (obj.id)
        tmpArr[1] = (obj.type)
        if (obj.type == 'checkbox' || obj.type == 'radio') {
            if (window.addEventListener) {
                obj.addEventListener('click', checkFormPageValues, false)
            } else {
                obj.attachEvent('onclick', checkFormPageValues)
            }
            tmpArr[2] = (obj.checked)
        } else {
            if (window.addEventListener) {
                obj.addEventListener('change', checkFormPageValues, false)
            } else {
                obj.attachEvent('onchange', checkFormPageValues)
            }
            tmpArr[2] = (obj.value)
        }
        tmpArr[3] = (obj.style.backgroundColor)
        tmpArr[4] = false
        formPageValuesArray[i] = (tmpArr)
    }
}
function checkFormPageValues(e) {

    var newFormChangedvalue = false
    var srcObject
    if (window.event) {
        e = window.event
        srcObject = e.srcElement
    } else {
        srcObject = this

    }

    for (var i = 0; i < formPageValuesArray.length; i++) {
        if (formPageValuesArray[i]) {
            var tmpArr = formPageValuesArray[i]
            var objType = tmpArr[1]
            var objValue = tmpArr[2]
            var srcElementValue
            if (objType == 'checkbox') {
                srcElementValue = srcObject.checked
            } else {
                srcElementValue = srcObject.value
            }
            if (tmpArr[0] == srcObject.id && objValue == srcElementValue) {
                srcObject.style.backgroundColor = tmpArr[3]
                tmpArr[4] = false
            } else if (tmpArr[0] == srcObject.id) {
                newFormChangedvalue = true
                tmpArr[4] = true
              //  srcObject.style.backgroundColor = markColor
            } else if (tmpArr[4] == true) {
                newFormChangedvalue = true
            }
        }
    }

    formPageChanged = newFormChangedvalue
    markTabPanel(srcObject, newFormChangedvalue)
}
function tabPanelChange() {
    if (formChanged) {
        alert(formChanged)
    }
}

function markTabPanel(obj, newFormChangedvalue) {
    if (skipMarkTabPanel) { return }
    var strg = ""
    var parentObj = obj.parentNode
    while (parentObj.parentNode) {
        strg += "\n" + parentObj.id
        var arr = parentObj.id.split('_')
        if (arr.length == 4) {
            if (arr[3].substring(0, 8) == TabPanelFindString) {
                var objTab = document.getElementById(TabPanelSpanIDPrefix + arr[3])
                if (newFormChangedvalue) {

                    if (getRightTabString(objTab.innerHTML, TabPanelMarkString.length).toLowerCase() != TabPanelMarkString.toLowerCase()) {
                        objTab.innerHTML += TabPanelMarkString
                    }
                } else {
                    if (getRightTabString(objTab.innerHTML, TabPanelMarkString.length).toLowerCase() == TabPanelMarkString.toLowerCase()) {
                        var le = objTab.innerHTML.length - TabPanelMarkString.length
                        objTab.innerHTML = objTab.innerHTML.substring(0, le)
                    }
                }
            }
        }
        parentObj = parentObj.parentNode
    }
}

function getRightTabString(strg, len) {
    var iLen = strg.length;
    return strg.substring(iLen, iLen - len);
}