function checkForm(form1,extra){

var stype='';
var slength='';
var svalue='';
var sname='';
var nme='';
var ctype='';
var smand='2';
var disctype='';
var salphnum='';
var snospaces='';
var sdischar='';
var sisemail='';



if (form1.joinTBS) {
	if (form1.joinTBS.value!=""){
		var tjs=eval('form1.'+form1.joinTBS.value);
		for(var count = 0; count < tjs.options.length; count++) {
			tjs.options[count].selected = true;
		}
	}
}


for (var i=0; i < form1.length; i++){
	
	stype = form1[i].type;
	sname = form1[i].name;
	svalue = form1[i].value;
	ctype = form1[i].getAttribute('ctype');
	slength=form1[i].getAttribute('length');
	smand=form1[i].getAttribute('mand');
	salphnum=form1[i].getAttribute('alphnum');
	snospaces=form1[i].getAttribute('nospaces');
	sdischar='';
	sdischar=form1[i].getAttribute('dischar');
	sisemail='';
	sisemail=form1[i].getAttribute('isemail');
	
	nme=form1[i].getAttribute('nme');
	if (nme==''){nme='-1';}

	if (ctype=='num'){disctype='Number'}else
	if (ctype=='date'){disctype='Date'}else
	{disctype='Text'}


	if ((form1[i].value.length > 0 ) && (ctype=='num') && (! isNumeric(svalue))){
		alert('You cannot insert Text into this field');
		form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
		return false;
	}
	
	else
	if ((form1[i].value.length > 0 ) && (ctype=='date') && (! isValidDate(svalue))){
		alert('The Date is not valid!');
		form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
		return false;
	}
	else
	if ((stype.toLowerCase()=='radio')||(stype.toLowerCase()=='checkbox')) {
		if  ((smand=='1')&&(isVisible(form1[i]))){
			var tsR=eval('form1.'+form1[i].name)
			var chkF=false;
			for (var ch=0; ch < tsR.length; ch++){
				if (tsR[ch].checked){
					chkF=true;
					break;
					}
			}
			if (! chkF) {
				alert('Please, you must click a choice!');
				form1[i].focus();
					form1[i].select();
				if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
				return false;
				}
		}
	}
	else
	if ((stype.toLowerCase()=='select-one')||(stype.toLowerCase()=='select-multiple')) {
		if  ((smand=='1')&&(isVisible(form1[i]))){
			var chkF=false;
			if (form1[i].selectedIndex > -1){chkF=true;}
			if (! chkF) {
				alert('Please, you must select a choice!');
				form1[i].focus();
				if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
				return false;
				}
		}
	}
	else
	if ((stype.toLowerCase()=='text')||(stype.toLowerCase()=='textarea')) {
				
	if  ((smand=='1')&&(isVisible(form1[i]))){
	
	  if (svalue.length < 1) {
		alert('Please, insert '+disctype+' into the selected field');
		form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
		return false;
	}
	}
	
	if (salphnum=='1'){
	 if ((isAlphaNumeric(form1[i].value)) && (ctype=='text') && (form1[i].value.length > 0)) { 
     
        var snans=confirm("Please, use only alphanumeric characters!\n\nDo you want to remove the non AlphaNumeric characters automatically?"); 
	    if (snans){form1[i].value=form1[i].value.replace(/[#$%^&*()-+\\'"΄¨,%@!|\]\[:;=]/g, "");}
        form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
        return false; 
		} 
     }
	
	if (snospaces=='1'){
	
	 if (form1[i].value.match(/\s/g)) { 
	    var snans=confirm("Please, do not use [spaces] into this field!\n\nDo you want to remove the [spaces] automatically?"); 
	    if (snans){form1[i].value=form1[i].value.replace(/\s*/g, "");}
        form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
        return false; 
		} 
     }
    
    
    if ((sdischar!='')&&(sdischar!=null)){
    
     if ((disableChar(form1[i].value,sdischar)) && (ctype=='text') && (form1[i].value.length > 0)) { 
        var snans=confirm("Character [ "+sdischar+" ] is now allowed into this field!\n\nDo you want to remove the character [ "+sdischar+" ] automatically?"); 
	    if (snans){form1[i].value=eval('form1[i].value.replace(/['+sdischar+']/g, "");')}
        form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
        return false; 
		} 
     }
     
      if (sisemail=='1'){
    	if (! echeck(form1[i].value)) { 
		   	alert('The email is wrong!');
			form1[i].focus();
			form1[i].select();
		    return false; 
			}
	 }
       
     
     
	if (svalue.length > parseInt(slength) ) {
		alert('You cannot insert more than '+slength+' characters!');
		form1[i].focus();
		form1[i].select();
		if (extra==1){
				
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='fterror';}
				
				}
		return false;
	}
	}
					var tid=eval('document.getElementById("'+nme+'")');
					if (tid) {tid.className='ftdright';}	
}

return true;
	
}

function isVisible(fid){

try {
	fid.focus();
	} 
	catch (error) 
	{
	return false;
	}
return true;	
}

function isAlphaNumeric(pStr){
pattern = /[#$%^&*()-+\\'"΄¨,%@!|\]\[:;=]/;
return pattern.exec(pStr); 

}

function disableChar(pStr,char){
var pattern=eval('/['+char+']/');
return pattern.exec(pStr); 
}

function isNumeric(pTest) {
    if (pTest == (pTest-0)) { return true;}
    return false;
  }



function isValidDate(dateStr) {


var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/;
var datePat2 = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})\s+(\d{1,2})(\:|-)(\d{1,2})(\:|-)(\d{1,2})$/;
var datePat3 = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})\s+(\d{1,2})(\:|-)(\d{1,2})$/;    
var matchArray = dateStr.match(datePat);
var matchArray2 = dateStr.match(datePat2);
var matchArray3 = dateStr.match(datePat3);

if ((matchArray == null) && (matchArray2 == null)&& (matchArray3 == null)) {
	return false;
}

if (matchArray != null){
month = matchArray[3]; 
day = matchArray[1];
year = matchArray[4];
}else
if (matchArray2 != null){
month = matchArray2[3]; 
day = matchArray2[1];
year = matchArray2[4];
}else
if (matchArray3 != null){
month = matchArray3[3]; 
day = matchArray3[1];
year = matchArray3[4];
}


if (month < 1 || month > 12) { 
	return false;
}

if (day < 1 || day > 31) {
	return false;
}

if ((month==4 || month==6 || month==9 || month==11) && day==31) {
	return false;
}
if (month == 2) { 
	var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
	if (day>29 || (day==29 && !isleap)) {
	return false;
   }
}

if (matchArray2 != null) {

var hour = matchArray2[5]; 
var mins = matchArray2[7];
var secs = matchArray2[9];

if ((! isNumeric(hour)) || (hour <0 ) || (hour >24 )){
return false;
}else
if ((! isNumeric(mins)) || (mins <0 ) || (mins >59 )){
return false;
}else
if ((! isNumeric(secs)) || (secs <0 ) || (secs >59 )){
return false;
}

}else
if (matchArray3 != null) {
var hour = matchArray3[5]; 
var mins = matchArray3[7];

if ((! isNumeric(hour)) || (hour <0 ) || (hour >24 )){
return false;
}else
if ((! isNumeric(mins)) || (mins <0 ) || (mins >59 )){
return false;
}

}


return true;
}


function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		    return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		    return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
}




function getConfirm(url){

var ans=confirm('Are you sure?'); 
if (ans){
document.location.href=url;
}else{
return ;
}
}




function LTrim(str)

{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
     
      var j=0, i = s.length;

      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      s = s.substring(j, i);
   }
   return s;
}


function RTrim(str)

{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {

      var i = s.length - 1; 

      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;

      s = s.substring(0, i+1);
   }

   return s;
}


function Trim(str)
{
   return RTrim(LTrim(str));
}




// Add the selected items in the parent by calling method of parent
function addSelectedItemsToParent(destListS) {
var destList  = eval('document.BForm1.'+destListS);
addToParentList(document.BForm1.destList);
//window.close();
}
// Fill the selcted item list with the items already present in parent.
function fillInitialDestList(destListS) {

if (document.BForm1){
//var destList = document.BForm1.destList; 
var destList  = eval('document.BForm1.'+destListS);
 }
//for (var count = destList.options.length- 1; count >= destList.options.length; count--) {
//destList.options[count] = null;
//}

}
// Add the selected items from the source to destination list
function addSrcToDestList(destListS) {

var destList  = eval('document.BForm1.'+destListS);
//destList = document.BForm1.destList;
srcList = document.BForm1.srcList; 
var len = destList.length;
//for(var i = 0; i < srcList.length; i++) {
for(var i = (srcList.length-1); i >= 0; i--) {
if ((srcList.options[i] != null) && (srcList.options[i].selected)) {
//Check if this value already exist in the destList or not
//if not then add it otherwise do not add it.
var found = false;
for(var count = 0; count < len; count++) {
if (destList.options[count] != null) {
if (srcList.options[i].text == destList.options[count].text) {
found = true;
break;
      }
   }
}
if (found != true) {
destList.options[len] = new Option(srcList.options[i].text);
destList.options[len].value = srcList.options[i].value;
srcList.options[i] = null; 
len++;
         }
      }
   }
}


function addAllSrcToDestList(destListS){
var destList  = eval('document.BForm1.'+destListS);
	//destList = document.BForm1.destList;
	srcList = document.BForm1.srcList; 
	var len = destList.length;
	//for(var i = 0; i < srcList.length; i++) {
	for(var i = (srcList.length-1); i >= 0; i--) {
	//if ((srcList.options[i] != null) && (srcList.options[i].selected)) {
	//Check if this value already exist in the destList or not
	//if not then add it otherwise do not add it.
	//var found = false;
	//for(var count = 0; count < len; count++) {
	//	if (destList.options[count] != null) {
	//	if (srcList.options[i].text == destList.options[count].text) {
	//	found = true;
	//break;
	  //    }
	 //  }
	//}
	destList.options[len] = new Option(srcList.options[i].text);
	destList.options[len].value = srcList.options[i].value;
	srcList.options[i] = null; 
	len++;
	  //    }
	   }	
	
}	



function deleteAllFromDestList(destListS){
var destList  = eval('document.BForm1.'+destListS);
	//var destList  = document.BForm1.destList;
	var srcList = document.BForm1.srcList;
	var len = destList.options.length;
	
	//for(var i = 0; i < srcList.length; i++) {
	for(var i = (len-1); i >= 0; i--) {
	//if ((srcList.options[i] != null) && (srcList.options[i].selected)) {
	//Check if this value already exist in the destList or not
	//if not then add it otherwise do not add it.
	//var found = false;
	//for(var count = 0; count < len; count++) {
	//	if (destList.options[count] != null) {
	//	if (srcList.options[i].text == destList.options[count].text) {
	//	found = true;
	//break;
	  //    }
	 //  }
	//}
	if (destList.options[i] != null) {
	srcList.options[srcList.options.length] = new Option(destList.options[i].text);
	srcList.options[srcList.options.length-1].value = destList.options[i].value;
	destList.options[i] = null;
	len++;
		}
	  }	
	
}	

// Deletes from the destination list.
function deleteFromDestList(destListS) {
var destList  = eval('document.BForm1.'+destListS);
var srcList = document.BForm1.srcList;
var len = destList.options.length;
for(var i = (len-1); i >= 0; i--) {

var found = false;

for(var count = 0; count < len; count++) {
if (srcList.options[count] != null) {
if (destList.options[i].text == srcList.options[count].text) {
found = true;
break;
      }
   }
}

//if (found == true) {
//srcList.options[len] =new Option(destList.options[i].text);
//srcList.options[i] = null; 
//len++;
  //       }
 

if ((destList.options[i] != null) && (destList.options[i].selected == true)) {
if (found != true)  {
srcList.options[srcList.options.length] = new Option(destList.options[i].text);
srcList.options[srcList.options.length-1].value = destList.options[i].value;
destList.options[i] = null;
      }
 else{destList.options[i] = null;}
} 


   
}

//if (destList.options.length == 0) {
//alert('Please, choose a role!');
//}
 
   
}






	var timeoutDelay = 2000; // milliseconds, change this if you like, set to 0 for the calendar to never auto disappear
	
	// preload images
	var imgUp = new Image(8,12);
	imgUp.src = '/img/up.gif';
	var imgDown = new Image(8,12);
	imgDown.src = '/img/down.gif';
	
	// used by timeout auto hide functions
	var timeoutId = false;
	
	// the now standard browser sniffer class
	function Browser(){
	  this.dom = document.getElementById?1:0;
	  this.ie4 = (document.all && !this.dom)?1:0;
	  this.ns4 = (document.layers && !this.dom)?1:0;
	  this.ns6 = (this.dom && !document.all)?1:0;
	  this.ie5 = (this.dom && document.all)?1:0;
	  this.ok = this.dom || this.ie4 || this.ns4;
	  this.platform = navigator.platform;
	}
	var browser = new Browser();
		
	// dom browsers require this written to the HEAD section
	
	if (browser.dom || browser.ie4){
	    document.writeln('<style>');
		document.writeln('#container {');
		document.writeln('position : absolute;');
		document.writeln('left : 110px;');
		document.writeln('top : 110px;');
		document.writeln('width : 140px;');
		document.writeln('height : 140px;');
		document.writeln('clip:rect(0px 140px 140px 0px);');
		//document.writeln('overflow : hidden;');
		document.writeln('visibility : hidden;');
		document.writeln('background-color : #ffffff');
		document.writeln('}');
		document.writeln('</style>')
		document.write('<div id="container"');
		if (timeoutDelay) document.write(' onmouseout="calendarTimeout();" onmouseover="if (timeoutId) clearTimeout(timeoutId);"');
		document.write('></div>');
	}
	
	var g_Calendar;  // global to hold the calendar reference, set by constructor
	
	function calendarTimeout(){
	  if (browser.ie4 || browser.ie5){
	    if (window.event.srcElement && window.event.srcElement.name!='month') timeoutId=setTimeout('g_Calendar.hide();',timeoutDelay);
	  }
	  if (browser.ns6 || browser.ns4){
	    timeoutId=setTimeout('g_Calendar.hide();',timeoutDelay);
	  }
	}
	
	// constructor for calendar class
	function Calendar(){
	  g_Calendar = this;
	  	
	  // some constants needed throughout the program
	  this.daysOfWeek = new Array("Κ","Δ","Τ","Τ","Πε","Πα","Σ");
	  this.months = new Array("Ιανουάριος","Φεβρουάριος","Μάρτιος","Απρίλιος","Μάιος","Ιούνιος","Ιούλιος","Αύγουστος","Σεπτέμβριος","Οκτώβριος","Νοέμβριος","Δεκέμβριος");
	  this.daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
	  
	  if (browser.ns4){
	    var tmpLayer = new Layer(124);
		if (timeoutDelay){
		  tmpLayer.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		  tmpLayer.onmouseover = function(event) { if (timeoutId) clearTimeout(timeoutId); };
		  tmpLayer.onmouseout = function(event) { timeoutId=setTimeout('g_Calendar.hide()',timeoutDelay);};
		}
	    tmpLayer.x = 100;
	    tmpLayer.y = 100;
	    tmpLayer.bgColor = "#ffffff";
	  }
	  if (browser.dom || browser.ie4){
		var tmpLayer = browser.dom?document.getElementById('container'):document.all.container;
	  }
	  this.containerLayer = tmpLayer;
	  /*if (browser.ns4) {
	    this.containerLayer.clip.height=127;
	    this.containerLayer.clip.width=126;
	  }*/

	}
	
 	Calendar.prototype.getFirstDOM = function() {
		var thedate = new Date();
		thedate.setDate(1);
		thedate.setMonth(this.month);
		thedate.setFullYear(this.year);
		return thedate.getDay();
	}

	Calendar.prototype.getDaysInMonth = function (){
	   if (this.month!=1) {
	   return this.daysInMonth[this.month]
	   }
	   else {
	     // is it a leap year
		    if (this.isLeapYear(this.year)) {
			  return 29;
			}
		    else {
			  return 28;
			}
	   }
	}
	 
	Calendar.prototype.isLeapYear = function() {
	  if (this.year%4==0 && ((this.year%100!=0) || (this.year%400==0))) return true; else return false;
	}
	
	
	Calendar.prototype.buildString = function(){
	  var tmpStr = '<form onSubmit="this.year.blur();return false;" id=form1 name=form1><table width="100%" border="0" cellspacing="0" cellpadding="1" cellpadding="2" cellspacing="1" style="border:1px outset #1D6AB8;  border-collapse: collapse; font-family: Arial; font-size: 12px" bordercolor="#ADC0D3"  class="topcalBgColor">';
	  tmpStr += '<tr>';
	  tmpStr += '<td width="60%" class="cal" align="left" >';
	  if (this.hasDropDown) {
	    tmpStr += '<select class="month" name="month" onchange="g_Calendar.selectChange();">';
		for (var i=0;i< this.months.length;i++){
			      tmpStr += '<option value="' + i + '"' 
		  if (i == this.month) tmpStr += ' selected';
		  tmpStr += '>' + this.months[i] + '</option>';
	    }
	    tmpStr += '</select>';
	  } else {
	    tmpStr += '<table border="0" cellspacing="0" cellpadding="0"><tr><td><a href="javascript: g_Calendar.changeMonth(-1);"><img name="calendar" src="/apps/img/down.gif" width="8" height="12" border="0" alt=""></a></td><td class="cal" width="100%" align="center">' + this.months[this.month] + '</td><td class="cal"><a href="javascript: g_Calendar.changeMonth(+1);"><img name="calendar" src="/apps/img/up.gif" width="8" height="12" border="0" alt=""></a></td></tr></table>';
	  }
	  tmpStr += '</td>';
	  /* observation : for some reason if the below event is changed to 'onChange' rather than 'onBlur' it totally crashes IE (4 and 5)!
	  */
	  tmpStr += '<td width="40%" align="right">';
	  
	  if (this.hasDropDown) { 
	    tmpStr += '<input class="year" type="text" size="';
	    // get round NS4 win32 lenght of year input problem
	    (browser.ns4 && browser.platform=='Win32')?tmpStr += 1:tmpStr += 4;
	  tmpStr += '" name="year" maxlength="4" onBlur="g_Calendar.inputChange();" value="' + this.year + '">';
	  } else {
	  tmpStr += '<table border="0" cellspacing="0" cellpadding="0"><tr><td><a href="javascript: g_Calendar.changeYear(-1);"><img name="calendar" src="/apps/img/down.gif" width="8" height="12" border="0" alt=""></a></td><td class="cal" width="100%" align="center">' + this.year + '</td><td class="cal"><a href="javascript: g_Calendar.changeYear(+1);"><img name="calendar" src="/apps/img/up.gif" width="8" height="12" border="0" alt=""></a></td></tr></table>'
	  }
	  tmpStr += '</td>';
	  tmpStr += '</tr>';
	  tmpStr += '</table>';
	  var iCount = 1;
	  var iFirstDOM = this.getFirstDOM(); // to prevent calling it in a loop
	  var iDaysInMonth = this.getDaysInMonth(); // to prevent calling it in a loop
	  
	  tmpStr += '<table width="100%" border="0" cellspacing="0" cellpadding="1" class="calBgColor"><tr><td><table width="100%" border="0" cellspacing="0" cellpadding="1" style="border:1px outset #1D6AB8;  border-collapse: collapse; font-family: Arial; font-size: 12px">';
	  tmpStr += '<tr>';
	    for (var i=0;i< this.daysOfWeek.length;i++){
		  tmpStr += '<td align="center" class="calDaysColor">' + this.daysOfWeek[i] + '</td>';
		}
	  tmpStr += '</tr>';
	  var tmpFrom = parseInt('' + this.dateFromYear + this.dateFromMonth + this.dateFromDay,10);
	  var tmpTo = parseInt('' + this.dateToYear + this.dateToMonth + this.dateToDay,10);
	  var tmpCompare;
	  for (var j=1;j<=6;j++){
	     tmpStr += '<tr>';
	     for (var i=1;i<=7;i++){
		   tmpStr += '<td width="16" align="center" '
		   if ( (7*(j-1) + i)>=iFirstDOM+1  && iCount <= iDaysInMonth){
		     if (iCount==this.day && this.year==this.oYear && this.month==this.oMonth) tmpStr += 'class="calHighlightColor"';
			 else {
			    if (i==1 || i==7) tmpStr += 'class="calWeekend"';
				else tmpStr += 'class="cal"';
			 }
		     tmpStr += '>';
			 /* could create a date object here and compare that but probably more efficient to convert to a number
			   and compare number as numbers are primitives */
			 tmpCompare = parseInt('' + this.year + padZero(this.month) + padZero(iCount),10);
			 if (tmpCompare >= tmpFrom && tmpCompare <= tmpTo) {
			   tmpStr += '<a class="cal" href="javascript: g_Calendar.clickDay(' + iCount + ');">' + iCount + '</a>';
			 } else {
			   tmpStr += '<span class="disabled">' + iCount + '</span>';
			 }
			 iCount++;
		   } else {
		     if  (i==1 || i==7) tmpStr += 'class="calWeekend"';
			 tmpStr += '>&nbsp;';
		   }
		   tmpStr += '</td>'
		 }
		 tmpStr += '</tr>'
	  }
	  tmpStr += '</table></td></tr></table></form>'
	  return tmpStr;
	}
	
	Calendar.prototype.selectChange = function(){
	  this.month = browser.ns6?this.containerLayer.ownerDocument.forms[0].month.selectedIndex:this.containerLayer.document.forms[0].month.selectedIndex;
	  this.writeString(this.buildString());
	}
	
	Calendar.prototype.inputChange = function(){
	  var tmp = browser.ns6?this.containerLayer.ownerDocument.forms[0].year:this.containerLayer.document.forms[0].year;
	  if (tmp.value >=1900 || tmp.value <=2100){
	    this.year = tmp.value;
	    this.writeString(this.buildString());
	  } else {
	    tmp.value = this.year;
	  }
	}
	Calendar.prototype.changeYear = function(incr){
	   (incr==1)?this.year++:this.year--;
	   this.writeString(this.buildString());
	}
	Calendar.prototype.changeMonth = function(incr){
	    if (this.month==11 && incr==1){
	      this.month = 0;
	  	  this.year++;
	    } else {
	      if (this.month==0 && incr==-1){
	        this.month = 11;
		    this.year--;
	      } else {
		    (incr==1)?this.month++:this.month--;
		  }
		}
		this.writeString(this.buildString());
	}
	
	Calendar.prototype.clickDay = function(day){
	   var tmp = eval('document.' + this.target);
	   if (this.dateFormat=='dd-mmm-yyyy') tmp.value = day + this.dateDelim + this.months[this.month].substr(0,3) + this.dateDelim + this.year;
	   if (this.dateFormat=='dd/mm/yyyy') tmp.value = day + this.dateDelim + (this.month+1) + this.dateDelim + this.year;
	   if (this.dateFormat=='mm/dd/yyyy') tmp.value = (this.month+1) + this.dateDelim + day + this.dateDelim + this.year;
	   
	    if (browser.ns4) this.containerLayer.hidden=true;
	    if (browser.dom || browser.ie4){
	      this.containerLayer.style.visibility='hidden'
	    }
	}
	
	Calendar.prototype.writeString = function(str){
	  if (browser.ns4){
	    this.containerLayer.document.open();
	    this.containerLayer.document.write(str);
	    this.containerLayer.document.close();
	  } 
	  if (browser.dom || browser.ie4){
	    this.containerLayer.innerHTML = str;
	  }
	}
	
	Calendar.prototype.show = function(event, target, bHasDropDown, dateFormat, dateFrom, dateTo){
	// calendar can restrict choices between 2 dates, if however no restrictions
	// are made, let them choose any date between 1900 and 3000
	if (dateFrom) this.dateFrom = dateFrom; else this.dateFrom = new Date(1900,0,1);
	this.dateFromDay = padZero(this.dateFrom.getDate());
	this.dateFromMonth = padZero(this.dateFrom.getMonth());
	this.dateFromYear = this.dateFrom.getFullYear();
	if (dateTo) this.dateTo = dateTo; else this.dateTo = new Date(3000,0,1);
	this.dateToDay = padZero(this.dateTo.getDate());
	this.dateToMonth = padZero(this.dateTo.getMonth());
	this.dateToYear = this.dateTo.getFullYear();
	this.hasDropDown = bHasDropDown;
	if (dateFormat) this.dateFormat = dateFormat; else this.dateFormat = 'dd-mmm-yyyy';
	switch (this.dateFormat){
	  case 'dd-mmm-yyyy':
	    this.dateDelim = '-';
		break;
	  case 'dd/mm/yyyy':
	  case 'mm/dd/yyyy':
	    this.dateDelim = '/';
		break;
	}
	
	  if (browser.ns4) {
	    if (!this.containerLayer.hidden) {
		  this.containerLayer.hidden=true;
		  return;
		}
	   }
	  if (browser.dom || browser.ie4){
	    if (this.containerLayer.style.visibility=='visible') {
		  this.containerLayer.style.visibility='hidden';
		  return;
		}  
	  }

	  if (browser.ie5 || browser.ie4){
	    var event = window.event;
	  }
	  if (browser.ns4){
	    this.containerLayer.x = event.x+10;
	    this.containerLayer.y = event.y-5;
	  }
	  if (browser.ie5 || browser.ie4){
	    var obj = event.srcElement;
 	    x = 0;
  		while (obj.offsetParent != null) {
    		  x += obj.offsetLeft;
    		  obj = obj.offsetParent;
  		}
  		x += obj.offsetLeft;
	    y = 0;
		var obj = event.srcElement;
	    while (obj.offsetParent != null) {
    		  y += obj.offsetTop;
    		  obj = obj.offsetParent;
  		}
  		y += obj.offsetTop;
		
        this.containerLayer.style.left = x+35;
		if (event.y>0)this.containerLayer.style.top = y;
	  }
	  if (browser.ns6){
	    this.containerLayer.style.left = event.pageX+10;
		this.containerLayer.style.top = event.pageY-5;
	  }
	  this.target = target;
	  var tmp = eval('document.' + this.target);
	  if (tmp && tmp.value && tmp.value.split(this.dateDelim).length==3){
	    var atmp = tmp.value.split(this.dateDelim)
		this.day = this.oDay = this.dateFormat.substr(0,2)=='dd'?parseInt(atmp[0],0):parseInt(atmp[1],0);
		if (this.dateFormat=='dd-mmm-yyyy'){
		  for (var i=0;i<this.months.length;i++){
		    if (atmp[1].toLowerCase()==this.months[i].substr(0,3).toLowerCase()){
		      this.month = this.oMonth = i;
			  break;
		    }
		  }
		} else {
		  if (this.dateFormat.substr(0,2)=='dd') this.month = this.oMonth = parseInt(atmp[1]-1,0); 
		  else this.month = this.oMonth = parseInt(atmp[0]-1,0);
		}
		this.year= this.oYear = parseInt(atmp[2],10);
	  } else { // no date set, default to today
	    var theDate = new Date();
	  	 this.year = this.oYear = theDate.getFullYear();
	     this.month = this.oMonth = theDate.getMonth();
	     this.day = this.oDay = theDate.getDate();
	  }
	  this.writeString(this.buildString());
	  
	  // and then show it!
	   if (browser.ns4) {
	   this.containerLayer.hidden=false;
	   }
	  if (browser.dom || browser.ie4){
	      this.containerLayer.style.visibility='visible';
	  }
	}
	
	Calendar.prototype.hide = function(){
	  if (browser.ns4) this.containerLayer.hidden = true;
	  if (browser.dom || browser.ie4){
	    this.containerLayer.style.visibility='hidden';
	  }
	}
	
	// events capturing
	window.onload=doCalendar;
	window.document.onclick=handleDocumentClick
	
	function handleDocumentClick(e){
	  if (browser.ie4 || browser.ie5) e = window.event;

	  if (browser.ns6){
	    var bTest = (e.pageX > parseInt(g_Calendar.containerLayer.style.left,10) && e.pageX <  (parseInt(g_Calendar.containerLayer.style.left,10)+125) && e.pageY < (parseInt(g_Calendar.containerLayer.style.top,10)+125) && e.pageY > parseInt(g_Calendar.containerLayer.style.top,10));
	    if (e.target.name!='imgCalendar' && e.target.name!='month'  && e.target.name!='year' && e.target.name!='calendar' && !bTest){
		  g_Calendar.hide(); 
		}
	  }
	  if (browser.ie4 || browser.ie5){
		// extra test to see if user clicked inside the calendar but not on a valid date, we don't want it to disappear in this case
	   var bTest = (e.x > parseInt(g_Calendar.containerLayer.style.left,10) && e.x <  (parseInt(g_Calendar.containerLayer.style.left,10)+125) && e.y < (parseInt(g_Calendar.containerLayer.style.top,10)+125) && e.y > parseInt(g_Calendar.containerLayer.style.top,10));
	    if (e.srcElement.name!='imgCalendar' && e.srcElement.name!='month' && e.srcElement.name!='year' && !bTest & typeof(e.srcElement)!='object'){
		  g_Calendar.hide(); 
		}
	  }
	  if (browser.ns4) g_Calendar.hide();
	}
	function doCalendar(){
	   //var aCalendar = new Calendar(new Date(2001,1,13));
	   var aCalendar = new Calendar(new Date());
	}
	// utility function
	function padZero(num) {
	  return ((num <= 9) ? ("0" + num) : num);
	}
	
	function addDays(startDate,addition) {
	    
		var accumulate    = new Array(0,31, 59, 90,120,151,181,212,243,273,304,334);
		var accumulateLY  = new Array(0,31, 60, 91,121,152,182,213,244,274,305,335);

	    var year = startDate.getFullYear();
		var month = startDate.getMonth();
		var day = startDate.getDate();
		
		if (isLeapYear(year)) var number = day + accumulateLY[month] + addition;
	    else                var number = day + accumulate[month]   + addition;
	    var days = daysinyear(year);
	   
	    while (number > days) {
	        number -= days;
	        days = daysinyear(++year);
	    }
	
	    while (number < 1) {
	        days = daysinyear(--year);
	        number += days;
	    }
	
	    month = 0;
	
	    if (isLeapYear(year)) {
	        while (number > accumulateLY[month]) { month++; }
	        day = number - accumulateLY[--month];
	    }
	    else {
	        while (number > accumulate[month]) { month++; }
	        day = number - accumulate[--month];
	    }
		return new Date(year,month,day);
	}
	
	function daysinyear(year) { if (isLeapYear(year)) return 366; else return 365; }
	function isLeapYear(year) { if (year%4==0 && ((year%100!=0) || (year%400==0))) return true; else return false; }
	/* end of adaptation */