function openwin( winurl, winname, wintype) 
{
	switch(wintype)
	{
	case(1):
	scrx=(screen.availWidth-525)/2;
	scry=(screen.availHeight-345)/2;
	return window.open( winurl,'sign','width=550,height=345,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,left=' + scrx + ',top=' + scry ) ;break;
	
	case(2):
	scrx=(screen.availWidth-620)/2;
	scry=(screen.availHeight-300)/2;
	return window.open( winurl,'admin','width=620,height=300,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,left=' + scrx + ',top=' + scry ) ;break;

	default:
	return window.open( winurl,winname);break;
	}
}

function beforedelete (uname,udate) {
if (window.confirm (uname + "' nin mesaję silinecek, emin misiniz?")==true)
	{
			window.navigate("delete.asp?date=" + udate);
	}
	return
}