function popupwindow(url,graphicname,height,width,scroll)
{
	if (graphicname != "") 
		{
		url = url + "?graphicname=" + graphicname;
		}
	if (scroll != "")
		{
		scroll = scroll;
		}
	else
		{
		scroll = 'no';
		}
	window_handle = window.open(url,"popupwin","scrollbars="+scroll+",left=300,top=250,toolbar='no',directories='no',status='no',resizable='no',menubar='no',height="+height+",width="+width)
	window_handle.focus();
}