function check_date(field){
	//alert ('hit!');
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "/";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(0,2);
   //alert (month);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(2,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = month + seperator + day + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
   	 // alert (err);
      alert("Date is incorrect!");
      DateField.select();
	  DateField.focus();
   }
}

var xmlHttp;
var passID;
function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}

function startRequest(url, eID) {
	reloadImages();
	passID=eID;
    createXMLHttpRequest();
    xmlHttp.onreadystatechange = handleStateChange;
	//alert (packedData);
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

function handleStateChange() {
	//alert(xmlHttp.readyState);
    if(xmlHttp.readyState == 4) {
		//alert (xmlHttp.status);
        if(xmlHttp.status == 200) {
			//alert('back');
			if (xmlHttp.responseText!='NONE'){
				document.getElementById(passID).innerHTML = xmlHttp.responseText;
			}
			loadImages();
			//alert ('here');
		}
    }
}
function getFocus() {
     window.onerror = stopError;

if (document.frmData){
var field = document.frmData;

for (i = 0; i < field.length; i++) {
	if (document.frmData.elements[i].name == "password"){
		document.frmData.elements[i].focus();
		break;
	}	

if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") ) {
//alert (document.frmData.elements[i].name);
document.frmData.elements[i].focus();
break;
         }
      }
}

}
function loadImages() {


if (document.getElementById) {  // DOM3 = IE5, NS6
document.getElementById('hidepage').style.visibility = 'hidden';
}
else {
if (document.layers) {  // Netscape 4
document.hidepage.visibility = 'hidden';
}
else {  // IE 4
document.all.hidepage.style.visibility = 'hidden';
      }
   }
   
}



function reloadImages() {

if (document.getElementById) {  // DOM3 = IE5, NS6
document.getElementById('hidepage').style.visibility = 'visible';
}
else {
if (document.layers) {  // Netscape 4
document.hidepage.visibility = 'visible';
}
else {  // IE 4
document.all.hidepage.style.visibility = 'visible';
      }
   }
}


function popup(pop_url,w,h)
{

	myValWindow=open(pop_url,'myname','dependent=1,scrollbars=yes,resizable=yes,width='+w+',height='+h);
	myValWindow.location.href = pop_url;
	if (myValWindow.opener == null) myDateWindow.opener = self;
}


function ajax_popup(pop_url,w,h,menu)
{	
	win35 = new Window("popup", {className: "alphacube", 
                                top:0, left:0, width:w, height:h,
                               closable: true, minimizable: false, maximizable:true, url: pop_url, showEffectOptions: {duration:1}})
	win35.setDestroyOnClose(); 
	win35.showCenter(1);
	win35.toFront();

}
function ajax_popup_alert(pop_url,w,h,menu)
{	
	win35 = new Window("popup", {className: "alert", 
                                top:0, left:0, width:w, height:h,
                               closable: true, minimizable: false, maximizable:true, url: pop_url, showEffectOptions: {duration:1}})
	win35.setDestroyOnClose(); 
	win35.showCenter(1, 130);
	win35.toFront();

}


//<!--  <p><a href="javascript:ajax_popup_alert('/slides/slideshow.asp?file=NoteSets.txt',720,420,'');"><img src="base/images/Buttons/ViewSamples.jpg"></a></p>
//  <p><a href="/slides/slideshow.asp?file=NoteSets.txt" title="Samples" rel="gb_page[720,420]"><img src="base/images/Buttons/ViewSamples.jpg"></a></p>-->