<h3>Abstract views and document downloads by year/month</h3>      

<?php
	$max_count = $GLOBALS["db_values"][0]["abstracts"];
	for ($rs=0;$rs<count($GLOBALS["db_values"]);$rs++)
	{
		if($max_count < $GLOBALS["db_values"][$rs]["abstracts"])
			$max_count = $GLOBALS["db_values"][$rs]["abstracts"];
	}
	$max_width = '500'; // Max pixel width of barchart.
	
	print "<table cellspacing='0' cellpadding='4'>\n";
	print '<tr><td colspan="6"><span style="font-size:small;">Click on a month to see document downloads for that month.<br />
		The numbers in (parentheses) are the number of distinct countries that views/downloads originated from.</span></td></tr>';
	print '<tr><th style="background-color:#cccccc;">Period</th>
		<th colspan="2" style="background-color:#66ddee;">Abstracts</th>
		<th colspan="2" style="background-color:#4477dd;color:#ffffff;">Downloads</th>
		<th style="background-color:#cccccc;">&nbsp;</th></tr>';
	for ($rs=0;$rs<count($GLOBALS["db_values"]);$rs++)
	{
		$monthnum = (int) strpos('JanFebMarAprMayJunJulAugSepOctNovDec', $GLOBALS["db_values"][$rs]["month"])/3 + 1;
		// NJS 2005-12-15: subtly highlight every alternate row
		print '<tr';
		if ($rs % 2) print ' style="background-color:#EDF3FE;"';
		print '><td style="font-size:small;border-right:1px solid #dddddd;"><a href="'.
			$_SERVER['PHP_SELF'].
			'?action=show_detail_date;year='.
			$GLOBALS["db_values"][$rs]["year"].
			';month=' .
			$monthnum .
			'">' .
			$GLOBALS["db_values"][$rs]["year"].
			' '.
			$GLOBALS["db_values"][$rs]["month"].
			'</a></td><td align="right" style="font-size:small;">'.
			$GLOBALS["db_values"][$rs]["abstracts"].
			'</td><td align="right" style="font-size:small;border-right:1px solid #dddddd;">('.
			$GLOBALS["db_values"][$rs]["acountries"].
			')</td><td align="right" style="font-size:small;">'.
			$GLOBALS["db_values"][$rs]["downloads"].
			'</td><td align="right" style="font-size:small;border-right:1px solid #dddddd;">('.
			$GLOBALS["db_values"][$rs]["dcountries"].
			')</td>';
		$cur_count = $GLOBALS["db_values"][$rs]["abstracts"];
		$col_width = (int) ($cur_count/$max_count * $max_width);
		$col_width = max($col_width, 1);
		$col_width .= "px";
		print '<td align="left"><img src="bars/hh.png" alt="abstracts" height="9" width="'. 
			$col_width . 
			'"><br />';
		$cur_count = $GLOBALS["db_values"][$rs]["downloads"];
		$col_width = (int) ($cur_count/$max_count * $max_width);
		$col_width = max($col_width, 1);
		$col_width .= "px";
print '<img src="bars/hp.png" alt="downloads" height="9" width="'. 
			$col_width . 
			'"></td></tr>';
	}
	print "</table>\n";
?>