function setTimestamp(elementname)
{
	var myDate = new Date();
	var myDate = new Date(document.getElementById(elementname+'0').value,document.getElementById(elementname+'1').value-1,document.getElementById(elementname+'2').value);
	//myDate.setHours(document.getElementById(elementname+'3').value,document.getElementById(elementname+'4').value,document.getElementById(elementname+'5').value);
	var a = myDate.getTime().toString();
	//alert(a.substring(0,a.length-3));
	document.getElementById(elementname).value = a.substring(0,a.length-3);
}