diff -ur zabbix-1.4.1-orig/frontends/php/chart_sla.php zabbix-1.4.1/frontends/php/chart_sla.php
--- zabbix-1.4.1-orig/frontends/php/chart_sla.php	2007-06-29 22:50:30.000000000 +0200
+++ zabbix-1.4.1/frontends/php/chart_sla.php	2007-08-18 21:24:15.000000000 +0200
@@ -32,7 +32,9 @@
 <?php
 //		VAR			TYPE	OPTIONAL FLAGS	VALIDATION	EXCEPTION
 	$fields=array(
-		"serviceid"=>		array(T_ZBX_INT, O_MAND,P_SYS,	DB_ID,		null)
+		"serviceid"=>		array(T_ZBX_INT, O_MAND,P_SYS,	DB_ID,		null),
+		"period_start"=>	array(T_ZBX_STR, O_OPT,null, null,null),
+		"period_end"=>		array(T_ZBX_STR, O_OPT,null, null,null)
 	);
 
 	check_fields($fields);
@@ -70,8 +72,9 @@
 	ImageFilledRectangle($im,0,0,$sizeX,$sizeY,ImageColorAllocate($im,120,200,120));
 
 	$now=time(NULL);
-	$period_start=$now-7*24*3600;
-	$period_end=$now;
+	$period_start = get_request("period_start", $now-7*24*3600);
+	$period_end = get_request("period_end", $now);
+
 	$stat=calculate_service_availability($_REQUEST["serviceid"],$period_start,$period_end);
 		
 	$problem=$stat["problem"];
diff -ur zabbix-1.4.1-orig/frontends/php/include/locales/de_de.inc.php zabbix-1.4.1/frontends/php/include/locales/de_de.inc.php
--- zabbix-1.4.1-orig/frontends/php/include/locales/de_de.inc.php	2007-06-29 22:50:27.000000000 +0200
+++ zabbix-1.4.1/frontends/php/include/locales/de_de.inc.php	2007-08-18 21:24:15.000000000 +0200
@@ -622,7 +622,14 @@
 	"S_IT_SERVICES_BIG"=>	"IT DIENSTE",
 	"S_SERVICE"=>	"Dienst",
 	"S_REASON"=>	"Grund",
-	"S_SLA_LAST_7_DAYS"=>	"SLA (letzte 7 Tage)",
+        'S_SLA_TODAY'=>                         'Heute',
+        'S_SLA_THIS_WEEK'=>                     'diese Woche',
+        'S_SLA_THIS_MONTH'=>                    'dieser Monat',
+        'S_SLA_THIS_YEAR'=>                     'dieses Jahr',
+        'S_SLA_LAST_24_HOURS'=>                 'letzten 24 Stunden',
+        'S_SLA_LAST_7_DAYS'=>                   'letzten 7 Tage',
+        'S_SLA_LAST_30_DAYS'=>                  'letzten 30 Tage',
+        'S_SLA_LAST_365_DAYS'=>                 'letzten 365 Tage',
 	"S_PLANNED_CURRENT_SLA"=>	"geplanter/aktueller SLA",
 	"S_TRIGGER_BIG"=>	"AUSL&Ouml;SER",
 
diff -ur zabbix-1.4.1-orig/frontends/php/include/locales/en_gb.inc.php zabbix-1.4.1/frontends/php/include/locales/en_gb.inc.php
--- zabbix-1.4.1-orig/frontends/php/include/locales/en_gb.inc.php	2007-06-29 22:50:27.000000000 +0200
+++ zabbix-1.4.1/frontends/php/include/locales/en_gb.inc.php	2007-08-18 21:24:15.000000000 +0200
@@ -1110,7 +1110,14 @@
 	'S_SERVICE'=>				'Service',
 	'S_SERVICES'=>				'Services',
 	'S_REASON'=>				'Reason',
-	'S_SLA_LAST_7_DAYS'=>			'SLA (last 7 days)',
+	'S_SLA_TODAY'=>				'today',
+	'S_SLA_THIS_WEEK'=>			'this week',
+	'S_SLA_THIS_MONTH'=>			'this month',
+	'S_SLA_THIS_YEAR'=>			'this year',
+	'S_SLA_LAST_24_HOURS'=>			'last 24 hours',
+	'S_SLA_LAST_7_DAYS'=>			'last 7 days',
+	'S_SLA_LAST_30_DAYS'=>			'last 30 days',
+	'S_SLA_LAST_365_DAYS'=>			'last 365 days',
 	'S_PLANNED_CURRENT_SLA'=>		'Planned/current SLA',
 	'S_TRIGGER_BIG'=>			'TRIGGER',
 
diff -ur zabbix-1.4.1-orig/frontends/php/include/services.inc.php zabbix-1.4.1/frontends/php/include/services.inc.php
--- zabbix-1.4.1-orig/frontends/php/include/services.inc.php	2007-06-29 22:50:28.000000000 +0200
+++ zabbix-1.4.1/frontends/php/include/services.inc.php	2007-08-18 21:24:15.000000000 +0200
@@ -275,7 +275,7 @@
 		)
 	{
 			/* calculate period from '-1 week' to know period name for  $period_start */
-			for($curr = ($period_start - (7*24*36000)); $curr<=$period_end; $curr += 6*3600)
+			for($curr = ($period_start - (7*24*3600)); $curr<=$period_end; $curr += 6*3600)
 			{
 				$curr_date = getdate($curr);
 				$from_date = getdate($ts_from);
diff -ur zabbix-1.4.1-orig/frontends/php/srv_status.php zabbix-1.4.1/frontends/php/srv_status.php
--- zabbix-1.4.1-orig/frontends/php/srv_status.php	2007-06-29 22:50:30.000000000 +0200
+++ zabbix-1.4.1/frontends/php/srv_status.php	2007-08-18 21:24:15.000000000 +0200
@@ -34,10 +34,13 @@
 //		VAR			TYPE	OPTIONAL FLAGS	VALIDATION	EXCEPTION
 	$fields=array(
 		"serviceid"=>		array(T_ZBX_INT, O_OPT,	P_SYS|P_NZERO,	DB_ID,			NULL),
-		"showgraph"=>		array(T_ZBX_INT, O_OPT,	P_SYS,		IN("1")."isset({serviceid})",NULL)
+		"showgraph"=>		array(T_ZBX_INT, O_OPT,	P_SYS,		IN("1")."isset({serviceid})",NULL),
+		"period"=>              array(T_ZBX_STR, O_OPT, null,   IN('"today","thisweek","thismonth","thisyear","last24h","last7days","last30days","last365days"'),      NULL)
 	);
 
 	check_fields($fields);
+
+	$period = get_request("period", "thismonth");
 ?>
 <?php
 	$denyed_hosts = get_accessible_hosts_by_user($USER_DETAILS,PERM_READ_ONLY,PERM_MODE_LT);
@@ -57,7 +60,20 @@
 	unset($_REQUEST["serviceid"]);
 ?>
 <?php
-	show_table_header(S_IT_SERVICES_BIG);
+        $form = new CForm();
+
+        $cmbPeriod = new CComboBox("period", $period, "submit();");
+        $cmbPeriod->AddItem("today",S_SLA_TODAY);
+        $cmbPeriod->AddItem("thisweek",S_SLA_THIS_WEEK);
+        $cmbPeriod->AddItem("thismonth",S_SLA_THIS_MONTH);
+        $cmbPeriod->AddItem("thisyear",S_SLA_THIS_YEAR);
+        $cmbPeriod->AddItem("last24h",S_SLA_LAST_24_HOURS);
+        $cmbPeriod->AddItem("last7days",S_SLA_LAST_7_DAYS);
+        $cmbPeriod->AddItem("last30days",S_SLA_LAST_30_DAYS);
+        $cmbPeriod->AddItem("last365days",S_SLA_LAST_365_DAYS);
+        $form->AddItem(array(SPACE.S_PERIOD.SPACE, $cmbPeriod));
+
+	show_table_header(S_IT_SERVICES_BIG, $form);
 
 	if(isset($service)&&isset($_REQUEST["showgraph"])){
 		$table  = new CTable(null,'chart');
@@ -127,12 +143,51 @@
 			}
 			
 			if($row["showsla"]==1){
-				$row['sla'] = new CLink(new CImg("chart_sla.php?serviceid=".$row["serviceid"]),
-						"report3.php?serviceid=".$row["serviceid"]."&year=".date("Y"));
 				
 				$now		= time(NULL);
-				$period_start	= $now-7*24*3600;
+				switch($period)
+				{
+					case "today":
+						$period_start	= mktime(0, 0, 0, date("m"), date("d"), date("Y")); 
+						$sla_description = S_SLA_TODAY;
+						break;
+					case "thisweek":
+						// TODO: this is wrong if the week started last month or last year
+						$period_start	= mktime(0, 0, 0, date("m"), date("d") - date("w"), date("Y")); 
+						$sla_description = S_SLA_THIS_WEEK;
+						break;
+					case "thismonth":
+						$period_start	= mktime(0, 0, 0, date("m"), 1, date("Y")); 
+						$sla_description = S_SLA_THIS_MONTH;
+						break;
+					case "thisyear":
+						$period_start	= mktime(0, 0, 0, 1, 1, date("Y")); 
+						$sla_description = S_SLA_THIS_YEAR;
+						break;
+					case "last24h":
+						$period_start	= $now-24*3600;
+						$sla_description = S_SLA_LAST_24_HOURS;
+						break;
+					case "last7days":
+						$period_start	= $now-7*24*3600;
+						$sla_description = S_SLA_LAST_7_DAYS;
+						break;
+					case "last30days":
+						$period_start	= $now-30*24*3600;
+						$sla_description = S_SLA_LAST_30_DAYS;
+						break;
+					case "last365days":
+						$period_start	= $now-365*24*3600;
+						$sla_description = S_SLA_LAST_365_DAYS;
+						break;
+					default:
+						echo "uhm";
+				}
 				$period_end	= $now;
+
+				$row['sla'] = new CLink(new CImg("chart_sla.php?serviceid=".$row["serviceid"]
+						."&period_start=".$period_start."&period_end=".$period_end),
+						"report3.php?serviceid=".$row["serviceid"]."&year=".date("Y"));
 				
 				$stat = calculate_service_availability($row["serviceid"],$period_start,$period_end);
 
@@ -174,8 +229,8 @@
 		$tree = new CTree($treeServ,array('caption' => '<b>'.S_SERVICE.'</b>',
 						'status' => '<b>'.S_STATUS.'</b>', 
 						'reason' => '<b>'.S_REASON.'</b>',
-						'sla' => '<b>'.S_SLA_LAST_7_DAYS.'</b>',
-						'sla2' => '<b>'.nbsp(S_PLANNED_CURRENT_SLA).'</b>',
+						'sla' => '<b>SLA ('.$sla_description.')</b>',
+						'sla2' => '<b>'.nbsp("SLA (".S_PLANNED_CURRENT_SLA.")").'</b>',
 						'graph' => '<b>'.S_GRAPH.'</b>'));
 		
 		if($tree){