diff --git a/pool/inc.php b/pool/inc.php
index 75d91b97..0d5c89f2 100644
--- a/pool/inc.php
+++ b/pool/inc.php
@@ -6,6 +6,7 @@ function GBaseJS()
 function sep(d){ans={};var ar=d.split('\\t');var l=ar.length;for(var i=0;i<l;i++){var e=ar[i].indexOf('=');ans[ar[i].substr(0,e)]=ar[i].substr(e+1)}return ans}
 function dfmt(c,e){var d=new Date(e*1000);var DD,HH,MM;if(c['utc']){DD=d.getUTCDate();HH=d.getUTCHours();MM=d.getUTCMinutes()}else{DD=d.getDate();HH=d.getHours();MM=d.getMinutes()}var ans=''+DD+'/';if(HH<10){ans += '0'}ans += ''+HH+':';if(MM<10){ans += '0'}ans += ''+MM;return ans}
 function ccb(c,n){var e=document.getElementById(n);c[n]=(e&&e.checked)}
+function ccbd(c,n,d){var e=document.getElementById(n);if(e){c[n]=e.checked}else{c[n]=d}}
 function gch(z,zm){if(z<0.5){return 0.5}if(z>(zm-0.5)){return(zm-0.5)}return z}
 function gchx(c,x){return gch(x*c['xm']+c['xo'],c['ctx'].canvas.width)}
 function gchy(c,y){return gch((1-y)*c['ym']+c['yo'],c['ctx'].canvas.height)}
@@ -27,7 +28,7 @@ function gfl(c){c['ctx'].fill()}
 function gst(c){c['ctx'].stroke()}
 function gfi(c){gle(c);gst(c)}
 function gbd(c){gbe(c,0,0);gln(c,1,0);gln(c,1,1);gln(c,0,1);gle(c);gfl(c);gst(c)}
-function ggr(c,xs,ys,yt,xn,x0,x1,y0,y1,ar,nx,vx,vy,av,w,cols){gtso(c,xs,ys);gss(c,'black');glw(c,1.5);gbe(c,0,1);gln(c,0,0);gln(c,1,0);gst(c);glw(c,0.2);var hi=c['ctx'].measureText('M').width, wi=c['ctx'].measureText('1').width;for(var i=0;i<11;i++){var y=i/10.0;gbe(c,-0.01,y);gln(c,1,y);gst(c);var t=''+(((y1-y0)*i/10+y0).toFixed(2));gfz(c,0,y,-wi,0,t,'black','end')}gfz(c,gx0(c),0.55,wi,0,yt,'#0080ff','left');var m=Math.round(0.5+xn/20.0);for(var i=0;i<xn;i++){var n=ar[nx+i];var x=ar[vx+i];var xo=(x-x0)/(x1-x0);if(c['skey'] && (i<(xn-1)) && (i%m) == 0){gbe(c,xo,0);gln(c,xo,-0.01);gst(c);gfz(c,xo,0,0,-hi*1.5,n,'#00a050','center')}if(c['slines']){gbe(c,xo,0);gln(c,xo,1);gst(c)}}var xhr=3600+x1-(x1%3600);gss(c,'brown');if(c['tkey'] || c['tlines']){var hlv=c['hln'][c['hl']];hrs=c['hrs'][c['hr']]*3600/hlv;var l=0;tpos=2.7;if(c['over']){tpos=1.5}for(var i=xhr;i>=x0;i-=hrs){var n=dfmt(c,i);var xo=(i-x0)/(x1-x0);if(xo<=1 && c['tkey'] && ((l%hlv)==0)){gbe(c,xo,0);gln(c,xo,-0.02);gst(c);gfz(c,xo,0,0,-hi*tpos,n,'brown','center')}if(xo<=1 && c['tlines']){gbe(c,xo,0);gln(c,xo,1);gst(c)}l++}}glw(c,1);if(c['smooth']){for(var j=1;j<w.length;j++){var f=1;gss(c,cols[j-1]);var xa=0,ya=0,xb=0,yb=0;for(var i=0;i<xn;i++){var x=ar[vx+i];var y=ar[w[j]+vy+i];var xo=(x-x0)/(x1-x0);var yo=(y-y0)/(y1-y0);if(f==1){gbe(c,xo,yo);f=0;xb=xo;yb=yo}else{gct(c,(xa+xb)/2,(ya+yb)/2,xb,yb,(xb+xo)/2,(yb+yo)/2)}xa=xb;ya=yb;xb=xo;yb=yo}gct(c,(xa+xb)/2,(ya+yb)/2,xo,yo,xo,yo);gst(c)}}else{for(var j=1;j<w.length;j++){var f=1;gss(c,cols[j-1]);for(var i=0;i<xn;i++){var x=ar[vx+i];var y=ar[w[j]+vy+i];var xo=(x-x0)/(x1-x0);var yo=(y-y0)/(y1-y0);if(f==1){gbe(c,xo,yo);f=0}else{gln(c,xo,yo)}}gst(c)}}glw(c,1);for(var j=1;j<w.length;j++){if(av[j-1]>0){gss(c,'red');var y=(av[j-1]-y0)/(y1-y0);gbe(c,0,y);gln(c,1,y);gst(c);var t=''+av[j-1].toFixed(2)+'av';gfz(c,1,y,1,0,t,cols[j-1],'left')}}if(c['tkey']){var col,hrl=c['hrs'].length;for(var i=0;i<hrl;i++){if(c['hr']==i){col='red'}else{col='black'}gfz(c,1,0,c['xo']-c['pxe'],hi*(i+1)*2,''+c['hrs'][i],col,'end')}for(var i=0;i<c['hln'].length;i++){if(c['hl']==i){col='red'}else{col='black'}gfz(c,1,0,c['xo']-c['pxe'],hi*(i+2+hrl)*2,''+c['hrs'][i],col,'end')}}}
+function ggr(c,xs,ys,yt,xn,x0,x1,y0,y1,ar,nx,vx,vy,av,w,cols){gtso(c,xs,ys);gss(c,'black');glw(c,1.5);gbe(c,0,1);gln(c,0,0);gln(c,1,0);gst(c);glw(c,0.2);var hi=c['ctx'].measureText('M').width, wi=c['ctx'].measureText('0').width;for(var i=0;i<11;i++){var y=i/10.0;gbe(c,-0.01,y);gln(c,1,y);gst(c);var t=''+(((y1-y0)*i/10+y0).toFixed(2));gfz(c,0,y,-wi,0,t,'black','end')}gfz(c,gx0(c),0.55,wi,0,yt,'#0080ff','left');var m=Math.round(0.5+xn/20.0);for(var i=0;i<xn;i++){var n=ar[nx+i];var x=ar[vx+i];var xo=(x-x0)/(x1-x0);if(c['skey'] && (i<(xn-1)) && (i%m) == 0){gbe(c,xo,0);gln(c,xo,-0.01);gst(c);gfz(c,xo,0,0,-hi*1.5,n,'#00a050','center')}if(c['slines']){gbe(c,xo,0);gln(c,xo,1);gst(c)}}var xhr=3600+x1-(x1%3600);gss(c,'brown');if(c['tkey'] || c['tlines']){var hlv=c['hln'][c['hl']];hrs=c['hrs'][c['hr']]*3600/hlv;var l=0;tpos=2.7;if(c['over']){tpos=1.5}for(var i=xhr;i>=x0;i-=hrs){var n=dfmt(c,i);var xo=(i-x0)/(x1-x0);if(xo<=1 && c['tkey'] && ((l%hlv)==0)){gbe(c,xo,0);gln(c,xo,-0.02);gst(c);gfz(c,xo,0,0,-hi*tpos,n,'brown','center')}if(xo<=1 && c['tlines']){gbe(c,xo,0);gln(c,xo,1);gst(c)}l++}}glw(c,1);if(c['smooth']){for(var j=1;j<w.length;j++){if(c['lin'+j]){var f=1;gss(c,cols[j-1]);var xa=0,ya=0,xb=0,yb=0;for(var i=0;i<xn;i++){var x=ar[vx+i];var y=ar[w[j]+vy+i];var xo=(x-x0)/(x1-x0);var yo=(y-y0)/(y1-y0);if(f==1){gbe(c,xo,yo);f=0;xb=xo;yb=yo}else{gct(c,(xa+xb)/2,(ya+yb)/2,xb,yb,(xb+xo)/2,(yb+yo)/2)}xa=xb;ya=yb;xb=xo;yb=yo}gct(c,(xa+xb)/2,(ya+yb)/2,xo,yo,xo,yo);gst(c)}}}else{for(var j=1;j<w.length;j++){if(c['lin'+j]){var f=1;gss(c,cols[j-1]);for(var i=0;i<xn;i++){var x=ar[vx+i];var y=ar[w[j]+vy+i];var xo=(x-x0)/(x1-x0);var yo=(y-y0)/(y1-y0);if(f==1){gbe(c,xo,yo);f=0}else{gln(c,xo,yo)}}gst(c)}}}glw(c,1);for(var j=1;j<w.length;j++){if(av[j-1]>0 && c['lin'+j]){gss(c,'red');var y=(av[j-1]-y0)/(y1-y0);gbe(c,0,y);gln(c,1,y);gst(c);var t=''+av[j-1].toFixed(2)+'av';gfz(c,1,y,1,0,t,cols[j-1],'left')}}if(c['tkey']){var col,hrl=c['hrs'].length;for(var i=0;i<hrl;i++){if(c['hr']==i){col='red'}else{col='black'}gfz(c,1,0,c['xo']-c['pxe'],hi*(i+1)*2,''+c['hrs'][i],col,'end')}for(var i=0;i<c['hln'].length;i++){if(c['hl']==i){col='red'}else{col='black'}gfz(c,1,0,c['xo']-c['pxe'],hi*(i+2+hrl)*2,''+c['hrs'][i],col,'end')}}}
 function sn(i,shi){if(shi.indexOf(' Shift ')<0){return ''+(i%10)}else{return shi.replace(/.* ([a-z])[a-z]*$/,'$1')}}
 function gc2(c){var div=document.getElementById('can0');while (div.firstChild){div.removeChild(div.firstChild)}c['can']=document.createElement('canvas');c['can'].id='can';c['xo']=0.0;c['yo']=0.0;c['ctx']=c['can'].getContext('2d');c['ctx'].canvas.width=c['xm']+1;c['ctx'].canvas.height=c['ym']+1;div.appendChild(c['can']);c['pxe']=Math.max(Math.round(c['xm']/250),1)}
 function gc(c){c['wx']=window.innerWidth;c['wy']=window.innerHeight;c['xm']=Math.max(Math.round(c['wx']*0.9+0.5),400);c['ym']=Math.max(Math.round(c['wy']*0.8+0.5),400);if(c['ym']>c['xm']){c['ym']=c['xm']}gc2(c)}
@@ -36,6 +37,7 @@ function opts(t,i){var e=document.getElementById(i);if(t.checked){e.style.visibi
 function ghrs(c){c['hrs']=[1,2,3,4,6,8,12,24,48];c['hln']=[1,2,3,4,6]}
 function ghg(c,dx){var tl=dx/(gchx(c,1)/50)/3600;for(var j=c['hrs'].length-1;j>=0;j--){if(tl<c['hrs'][j]){c['hr']=j}else{break}}if(tl<0.5){var tb=1/tl;for(var k=0;k<c['hln'].length;k++){if(c['hln'][k]<tb){c['hl']=k}else{break}}}else{c['hl']=1}}
 function gopt(c,cbx){for(var i=0;i<cbx.length;i++){ccb(c,cbx[i])}}
+function gsh(c,w){for(var i=1;i<w.length;i++){ccbd(c,'lin'+i,true)}}
 function doinit(cbx,xon){for(var i=0;i<cbx.length;i++){var e=document.getElementById(cbx[i]);if(e){var n=gcn(cbx[i]);if(n==''){if(xon[cbx[i]]){e.checked=true}else{e.checked=false}}else{if(n=='1'){e.checked=true}else{e.checked=false}}}}}
 ";
  return $g;
diff --git a/pool/page_psperf.php b/pool/page_psperf.php
index 8943d5cf..62672cc3 100644
--- a/pool/page_psperf.php
+++ b/pool/page_psperf.php
@@ -6,6 +6,7 @@ $g = "function gdrw(c,d,cbx){gc(c);ghrs(c);gopt(c,cbx);
 gfs(c,'white');gss(c,'#0000c0');glw(c,2);gbd(c);
 var rows=d['rows'],ymin=-1,ymax=0,xmin=-1,xmax=0,tda=[];
 var w=d['arp'].split(',');var cols=d['cols'].split(',');
+gsh(c,w);
 for(var j=1;j<w.length;j++){tda[j-1]=0}
 for(var i=0;i<rows;i++){var s=parseFloat(d['start:'+i]);var e=parseFloat(d['end:'+i]);d['nx:'+i]=sn(i,d['shift:'+i]);if(xmin==-1||xmin>s){xmin=s}if(xmax<e){xmax=e}d['vx:'+i]=(s+e)/2.0;
 for(var j=1;j<w.length;j++){var pre=w[j];var ths=0,nam=pre+'diffacc:'+i;if(d[nam]){var da=parseFloat(d[nam]);ths=(da/(e-s))*Math.pow(2,32)/Math.pow(10,12);tda[j-1]+=da}d[pre+'ths:'+i]=ths;if(ymin==-1||ymin>ths){ymin=ths}if(ths>ymax)ymax=ths}
diff --git a/pool/page_usperf.php b/pool/page_usperf.php
index a28a48c9..e73a800e 100644
--- a/pool/page_usperf.php
+++ b/pool/page_usperf.php
@@ -6,6 +6,7 @@ $g = "function gdrw(c,d,cbx){gc(c);ghrs(c);gopt(c,cbx);
 gfs(c,'white');gss(c,'#0000c0');glw(c,2);gbd(c);
 var rows=d['rows'],ymin=-1,ymax=0,xmin=-1,xmax=0,tda=[];
 var w=d['arp'].split(',');var cols=d['cols'].split(',');
+gsh(c,w);
 for(var j=1;j<w.length;j++){tda[j-1]=0}
 for(var i=0;i<rows;i++){var s=parseFloat(d['start:'+i]);var e=parseFloat(d['end:'+i]);d['nx:'+i]=sn(i,d['shift:'+i]);if(xmin==-1||xmin>s){xmin=s}if(xmax<e){xmax=e}d['vx:'+i]=(s+e)/2.0;
 for(var j=1;j<w.length;j++){var pre=w[j];var ths=0,nam=pre+'diffacc:'+i;if(d[nam]){var da=parseFloat(d[nam]);ths=(da/(e-s))*Math.pow(2,32)/Math.pow(10,12);tda[j-1]+=da}d[pre+'ths:'+i]=ths;if(ymin==-1||ymin>ths){ymin=ths}if(ths>ymax)ymax=ths;document.getElementById('worker'+j).value=d[pre+'worker']}
@@ -83,7 +84,8 @@ function dousperf($data, $user)
 	foreach ($cols as $col)
 	{
 		$i++;
-		$pg .= " <span class=nb><font color=$col>Worker$i:</font>";
+		$pg .= " <span class=nb><font color=$col>Worker$i";
+		$pg .= "<input type=checkbox id=lin$i checked onclick='godrw(0)'>:</font>";
 		$pg .= "<input type=text size=10 id=worker$i$onch> </span>";
 
 		if ($i > 1)