var m_szDefaultWinHnd  = "_rbs";
var m_oPopUpWnd		   = null;	  
function open_pop_up(nHeight, nWidth, bCentered, szURL, bHasScrollBars, szWinName)
	{
	var n_w = 0, n_h = 0; 
	var n_x = 0, n_y = 0;
	var szResizable = null, szScrollBars  = null;

	szResizable = szScrollBars = "no";
	n_w = (nWidth < window.screen.availWidth) ? nWidth : window.screen.availWidth;
	n_h = (nHeight < window.screen.availHeight) ? nHeight : window.screen.availHeight;
	if((nWidth >= window.screen.availWidth)||(nHeight >= window.screen.availHeight))
		szResizable = "yes";		
	n_x = ((window.screen.availWidth) - n_w) / 2; 
	n_y = ((window.screen.availHeight) - n_h) / 2;
	
	if(m_oPopUpWnd)
		if(!(m_oPopUpWnd.closed))
			m_oPopUpWnd.close();
	m_oPopUpWnd = null;		
	
	if(bHasScrollBars)
		szScrollBars = "yes";
	
	if((!(szWinName))||(!(szWinName.length)))
		szWinName = m_szDefaultWinHnd;
		
	if(bCentered)
		m_oPopUpWnd = window.open(szURL, szWinName, "left=" + n_x + ",top=" + n_y + ",resizable=" + szResizable + ",scrollbars=" + szScrollBars + ",menubar=no,location=no,toolbar=no,status=no,width=" + n_w + ",height=" + n_h);
	else
		m_oPopUpWnd = window.open(szURL, szWinName, "resizable=" + szResizable + ",scrollbars=" + szScrollBars + ",menubar=no,location=no,toolbar=no,status=no,width=" + n_w + ",height=" + n_h);
	m_oPopUpWnd.focus();			
	}		

function open_default_popup(oSrc)
	{
	if(!(oSrc)){return(true);} /* process href */
	open_pop_up(530, 700, false, oSrc.href, true, oSrc.target);
	return(false);
	}