function popup(filename,width,height) {
   popup = window.open(filename,"ifl","width="+width+",height="+height+",history=no,resizable=no,menubar=no,location=no,status=no,scrollbars=no")
   popup.focus();
}

function view_chart() {
	chart = window.open('chart.php','chart','history=no,resizable=yes,menubar=no,location=no,status=no,scrollbars=yes');
	chart.focus();
}