function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
  {
     var arVersion = navigator.appVersion.split("MSIE")
     var version = parseFloat(arVersion[1])

     if ((version < 7) && (document.body.filters))
     {
		for(var i=0; i<document.images.length; i++)
        {
           var img = document.images[i]
           var imgName = img.src.toUpperCase()
           if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
           {
              var imgID = (img.id) ? "id='" + img.id + "' " : ""
              var imgClass = (img.className) ? "class='" + img.className + "' " : ""
              var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
              var imgStyle = "display:inline-block;" + img.style.cssText
              if (img.align == "left") imgStyle = "float:left;" + imgStyle
              if (img.align == "right") imgStyle = "float:right;" + imgStyle
              if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
              var strNewHTML = "<span " + imgID + imgClass + imgTitle
              + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
              + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
              + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
              img.outerHTML = strNewHTML
              i = i-1
           }
        }
     }   
  }

var disappeardelay		= 500;			// Tijd in milisec.
var delayhide			= 'undifined';
var currentSubDiv		= '';
var dropDirection		= 'bottom';		// [right | bottom]
var offsetLeft			= 0;			// tussenruimte positie vanaf menu naar rechts
var offsetTop			= 4;			// tussenruimte positie vanaf menu naar beneden


function submenuActive(pageId) {


	menuDiv			= 'menu_' + pageId;
	SubDiv			= 'submenu_' + pageId;
	SubItemDiv		= 'submenuitem_' + pageId;


	if (currentSubDiv != ''){
		if (currentSubDiv != SubDiv){
			document.getElementById(currentSubDiv).style.visibility = 'hidden';
			currentSubDiv = '';
		}
	}


	clearhidemenu(delayhide);
	if (document.getElementById(SubDiv) && document.getElementById(menuDiv)) {
		
		if (dropDirection == 'right') {
			SubMenuoffsetLeft = offsetLeft + document.getElementById(menuDiv).offsetWidth;
			document.getElementById(SubDiv).style.left = (SubMenuoffsetLeft + document.getElementById(menuDiv).offsetLeft) + 'px';
			document.getElementById(SubDiv).style.top = (offsetTop + document.getElementById(menuDiv).offsetTop) + 'px';
		} else if (dropDirection =='bottom'){
			SubMenuoffsetTop = offsetTop + document.getElementById(menuDiv).offsetHeight;
			document.getElementById(SubDiv).style.top = (SubMenuoffsetTop + document.getElementById(menuDiv).offsetTop) + 'px';
			document.getElementById(SubDiv).style.left = (offsetLeft + document.getElementById(menuDiv).offsetLeft) + 'px';
		}

		document.getElementById(SubDiv).style.visibility = 'visible';
	}
}

 
 
 function submenuDeActive(pageId) {

	menuDiv = 'menu_' + pageId;
	SubDiv = 'submenu_' + pageId;

	// Submenu 
	delayhidemenu(SubDiv);
	currentSubDiv = SubDiv;
}


function delayhidemenu(SubDiv){
	delayhide=setTimeout("document.getElementById(SubDiv).style.visibility='hidden'",disappeardelay);
}

function clearhidemenu(delayhide){
	if (delayhide != "undifined") {
		clearTimeout(delayhide);
	}
}



function AddSeperator(fieldId) {

	fieldValue = document.getElementById(fieldId).value;


	if ((window.event.keyCode != 8) && (window.event.keyCode != 46) && (window.event.keyCode != 109) && (window.event.keyCode != 191)){
		if (fieldValue.length == 2 && fieldValue[1] != '-') {
			document.getElementById(fieldId).value = fieldValue + '-';
		}

		if (fieldValue.length == 5 && fieldValue[4] != '-') {
			document.getElementById(fieldId).value = fieldValue + '-';
		}
	}

	document.getElementById(fieldId).value = document.getElementById(fieldId).value.replace("----","-");
	document.getElementById(fieldId).value = document.getElementById(fieldId).value.replace("---","-");
	document.getElementById(fieldId).value = document.getElementById(fieldId).value.replace("--","-");
	document.getElementById(fieldId).value = document.getElementById(fieldId).value.replace("\/","-");
}



function validateDate(fieldId) {

	var fieldValue = document.getElementById(fieldId).value;
	document.getElementById(fieldId).value = fieldValue.replace("\/","-");
	document.getElementById(fieldId).value = fieldValue.replace("\.","-");


	if (check_date(document.getElementById(fieldId).value) != "") {

		document.getElementById(fieldId).value = check_date(document.getElementById(fieldId).value);
		return true;
	}
}


function check_date(field){
	var checkstr = "0123456789";
	var DateValue = 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(2,2);
	   if ((month < 1) || (month > 12)) {
		  err = 21;
	   }
	   /* Validation of day*/
	   day = DateValue.substr(0,2);
	   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 = day + seperator + month + seperator + year;
		  return day + seperator + month + seperator + year;
	   }
	   /* Error-message if err != 0 */
	   else {
			alert('Wrong input date. example: (28-09-2009)');
		   return field;


//		  alert("Date is incorrect!");
//		  DateField.select();
//		  DateField.focus();
	   }
}