function makeDatePicker( input, YearFrom, YearTo, AllowNull ){
YearFrom = YearFrom || new Date().getFullYear() - 15;
YearTo = YearTo || new Date().getFullYear() + 5
var id = input.id
input.dateFormat = null
input.hidden = input.cloneNode(false);
input.hidden.name = input.name;
input.name = "";
input.hidden.id = "";
input.id = id
input.hidden.type = 'hidden';
input.iframeWidth = null
if(!input.value) input.date = new Date(input.value);
//input.value = input.date = new Date()
var spanFrame = document.createElement('DIV');
spanFrame.style.position = "absolute";
spanFrame.style.display = 'inline';
//spanFrame.style.backgroundColor = 'red';
input.parentNode.insertBefore( spanFrame, input );
//input.parentNode.removeChild(input)
//spanFrame.appendChild(input)
input.iframe = document.createElement('IFRAME');
input.iframe.name = input.iframe.id = "DatePicker" + makeDatePicker.id++;
input.iframe.frameBorder = "0";
input.iframe.style.position = 'absolute';
input.iframe.style.border = 'outset 2px buttonface';
input.iframe.style.top = (input.scrollHeight+6) + "px";
input.iframe.style.height = "200px";
input.iframe.style.backgroundColor = 'white';
input.iframe.style.display = "none"
input.iframe.src = "about:blank"
spanFrame.appendChild( input.iframe );
input.parentNode.insertBefore( input.hidden, input );
// Create pointers to window
input.win = input.iframe.contentWindow || document.frames[input.iframe.name];
input.doc = input.iframe.contentDocument || input.win.document;
// Enter basic info into iframe
var basic_page_html = '';
input.doc.open();
input.doc.write( basic_page_html );
input.doc.close();
input.changeDate = function(year,month,day, select){
year = parseInt(year)
month = parseInt(month)
if(select){
this.date = new Date(year,month,day);
this.updateValue();
if(input.iframe) input.iframe.style.display = "none";
}else{
this.date = new Date(year,month,day);
this.updateView();
}
}
input.updateValue = function(){
// 01-jan-2000
this.hidden.value = this.date.getDate() + "-" +
Date._MonthNames[this.date.getMonth()].substring(0,3) + "-" +
this.date.getFullYear()
this.value = this.date.getFullDateFormat();
}
input.setNull = function(){
this.date = new Date();
this.hidden.value = "";
this.value = "[ no date selected ]"
}
input.updateView = function(){
if(!this.doc.getElementsByTagName('TBODY')[0]) this.init();
var tbody = this.doc.getElementsByTagName('TBODY')[0]
while(tbody.firstChild) tbody.removeChild(tbody.firstChild)
var table = this.doc.getElementsByTagName('TABLE')[0]
var tr, td
// Days of month
tr = this.doc.createElement('TR');
var counter = new Date(this.date.valueOf())
var today = new Date();
var month = counter.getMonth()
counter.setDate(1);
var offset = (counter.getDay() % 7)
input.doc.getElementById('year').value = this.date.getFullYear()
if(input.doc.getElementById('year').selectedIndex == -1) input.doc.getElementById('year').selectedIndex = 0
input.doc.getElementById('month').value = month
counter.setDate(counter.getDate() - offset)
for(var i=0;i