function popup (url,name,iwidth,iheight,scrollbars)
{
		var extras = ',resizable=no,status=no,toolbar=no,location=no,menubar=no';
		var newpopup;
		
		if (scrollbars == true)
		{
			scrollbars = "yes"
		}
		else
		{
			scrollbars = "no"
		}
		newpopup=window.open(url,name,'height=' + iheight + ',width=' + iwidth + ",scrollbars=" + scrollbars + extras)
		
		try
		{
			newpopup.focus()
		}
		catch(e)
		{
			newpopup=window.open(url,name,'height=' + iheight + ',width=' + iwidth + extras)
			alert('A popup blocker has stopped this popup showing!\r\nEnable popups for this site and try again!');
		}
}