function openMicroPopup(newlocation)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=300,height=160");}

function openBigPopup(newlocation)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=800,height=600");}

function openMiniPopup(newlocation)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,top=150,left=150,resizable=no,width=460,height=240");}

function openSmallPopup(newlocation)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no,width=400,height=360");}

function openPopup(newlocation)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=620,height=560");}

function openCustomPopup(newlocation,w,h)
 {window.open(newlocation,'',"toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width="+w+",height="+h+"");}

function openModalPopup(newlocation)
 {window.showModalDialog(newlocation,'','');}
 
function goBack()
{
	window.history.back();
}


function closeWindow()
{
 opener.document.location.reload();
 window.close();
}

function closeWindow(new_url)
{
 opener.document.location=new_url;
 window.close();
}