function GetDate(CtrlName) 
		{  
            var Date_old = document.Form1.elements[CtrlName].value;
                    
            ChildWindow = window.open('../sistema/popcalendario.aspx?FormName=' + document.forms[0].name + '&CtrlName=' + CtrlName + '&date_old=' + Date_old, "PopUpCalendar", "width=290,height=250,top=200,left=200,toolbars=no,scrollbars=no,status=no,resizable=no"); 
        }
            
function CheckWindow() 
        {    
			ChildWindow.close();   
        }