function OpenDialog(href,width,height){
	  var left, top;
	  top  = Math.floor((screen.height - height)/2-14);
	  left = Math.floor((screen.width - width)/2-5);
	  window.open(href,'','scrollbars=no,resizable=no,width='+width+',height='+height+',left='+left+',top='+top);
}

function OpenDialog2(href,width,height){
	  var left, top;
	  top  = Math.floor((screen.height - height)/2-14);
	  left = Math.floor((screen.width - width)/2-5);
	  window.open(href,'','scrollbars=yes,resizable=no,width='+width+',height='+height+',left='+left+',top='+top);
}

function OpenCalendar2(form, field, date)
{
    OpenDialog('/calendar2.php?'+ date +'form=' + form + '&field=' + field, 200, 220);
}