function OpenCalendar(inField)
{
	var strURL;
	var hWnd; 
	
	var w = 480, h = 340;

	if (document.all || document.layers) {
   		w = screen.availWidth;
   		h = screen.availHeight;
		}

	var popW = 210, popH = 150;

	var leftPos = (w-popW)/2
	var topPos = (h-popH)/2;
	
	strURL = "inField=" + inField;
		
	hWnd = window.open( "/includes/calendar/cal.asp?" + strURL, "ASPDatePicker",
		"menubar=no,toolbar=no,location=no,scrollbars=no,resizable=no,status=no,width=210,height=150,top=" + topPos + ",left=" + leftPos);
		
	if (!hWnd) alert("Please disable popup blockers to use the Date Picker Calendar.");
}