function win_closed(winVar){
      var ua = navigator.userAgent
    if( !!winVar )
        if( ( ua.indexOf('Gecko')!=-1 || ua.indexOf('MSIE 4')!=-1 )
             && ua.indexOf('Win')!=-1 ) 
             return winVar.closed
        else return typeof winVar.document  != 'object'
    else return true
    }

function productwin(OpenURL)
{
    if(win_closed(window.opener) && win_closed(window.pwin))
    {
        pwin = (window.open(OpenURL, 'winp','toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes'));
    }
    else
    {
		if(win_closed(window.opener))
		{
			window.pwin.focus();
		}
		else if(win_closed(window.pwin))
		{
			window.opener.focus();
		}
		window.blur();
    }
} 

function contentswin(OpenURL)
{
    if(win_closed(window.opener) && win_closed(window.cwin))
    {
		cwin = (window.open(OpenURL, 'winc','toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes'));
    }
    else
    {
		if(win_closed(window.opener))
		{
			window.cwin.focus();
		}
		else if(win_closed(window.cwin))
		{
			window.opener.location = OpenURL;
			window.opener.focus();
		}
		window.blur();
    }
} 

function featureswin(OpenURL)
{
    if(win_closed(window.opener) && win_closed(window.cwin))
    {
		cwin = (window.open(OpenURL, 'winc','toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes'));
    }
    else
    {
		if(win_closed(window.opener))
		{
			window.cwin.location=OpenURL;
			window.cwin.focus();
		}
		else if(win_closed(window.cwin))
		{
			window.opener.location=OpenURL;
			window.opener.focus();
		}
		window.blur();
    }
} 

function persistwin(OpenURL)
{
    if(win_closed(window.opener) && win_closed(window.faxwin))
    {
		faxwin = (window.open(OpenURL, 'faxwin','toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes'));
    }
    else
    {
		if(win_closed(window.opener))
		{
			window.faxwin.focus();
		}
		else if(win_closed(window.faxwin))
		{
			window.opener.focus();
		}
		window.blur();
    }
}