copyright.js

var m = "Last updated on " + document.lastModified;
var p = m.length-8;
m = '';

var currentTime = new Date();
var year = currentTime.getFullYear();

document.write('<font size=-1>&copy; ' + year+ '. All Rights Reserved.  '+ m.substring(p, 0) +'</font>');
//document.write('<meta http-equiv="refresh" content="1; url=http://www.cs.columbia.edu/~dli/">');


// Start of StatCounter Code for Default Guide 
var sc_project=8018681;
var sc_invisible=1;
var sc_security="c1371295";
var sc_width=screen.width;var sc_height=screen.height;var sc_referer=""+document.referrer;try{sc_referer=""+parent.document.referrer}catch(ex){sc_referer=""+document.referrer}var sc_unique=0;var sc_returning=0;var sc_returns=0;var sc_error=0;var sc_remove=0;var sc_cls=-1;var sc_inv=0;var sc_os="";var sc_title="";var sc_url="";var sc_base_dir="";var sc_click_dir="";var sc_link_back_start="";var sc_link_back_end="";var sc_security_code="";var sc_http_url="http";var sc_host="statcounter.com";var sc_dc="c";var sc_alt_text="StatCounter - Free Web Tracker and Counter";var sc_counter_size="";var sc_prerendering=0;if(window.sc_invisible){if(window.sc_invisible==1){sc_inv=1}}if(window.sc_click_stat){sc_cls=window.sc_click_stat}sc_doc_loc=''+document.location;myRE=new RegExp("^https","i");if(sc_doc_loc.match(myRE)){sc_http_url="https"}if(window.sc_local){sc_base_dir=sc_local}else{if(sc_cls==-1){sc_cls=1}sc_base_dir=sc_http_url+"://"+sc_dc+"."+sc_host+"/"}sc_click_dir=sc_base_dir;if(window.sc_text){sc_base_dir+="text.php?"}else{sc_base_dir+="t.php?"}if(window.sc_project){if(sc_project=="4135125"||sc_project=="6169619"||sc_project=="6222332"||sc_project=="5106510"||sc_project=="6311399"||sc_project=="6320092"||sc_project=="5291656"||sc_project=="7324465"||sc_project=="6640020"||sc_project=="4629288"||sc_project=="1480088"||sc_project=="2447031"){if(Math.floor(Math.random()*6)!=1){sc_remove=1}}sc_base_dir+="sc_project="+sc_project}else if(window.usr){sc_base_dir+="usr="+usr}else{sc_error=1}if(window.sc_remove_link){sc_link_back_start="";sc_link_back_end=""}else{sc_link_back_start="<a class=\"statcounter\" href=\"http://www."+sc_host+"\" target=\"_blank\">";sc_link_back_end="<\/a>"}sc_date=new Date();sc_time=sc_date.getTime();sc_time_difference=3600000;sc_title=""+document.title;sc_url=""+document.location;sc_referer=sc_referer.substring(0,600);sc_title=sc_title.substring(0,300);sc_url=sc_url.substring(0,300);sc_referer=escape(sc_referer);if(encodeURIComponent){sc_title=encodeURIComponent(sc_title)}else{sc_title=escape(sc_title)}sc_url=escape(sc_url);if(window.sc_security){sc_security_code=sc_security}if(sc_remove!=1){if(document.webkitVisibilityState!="prerender"){sc_prerendering=0}else{sc_prerendering=1;document.addEventListener("webkitvisibilitychange",handleVisibilityChange,false)}}if(sc_script_num){sc_script_num++}else{var sc_script_num=1}var sc_tracking_url=sc_base_dir+"&resolution="+sc_width+"&h="+sc_height+"&camefrom="+sc_referer+"&u="+sc_url+"&t="+sc_title+"&java=1&security="+sc_security_code+"&sc_random="+Math.random()+"&sc_snum="+sc_script_num;var sc_clstr="<span class=\"statcounter\">";if(window.sc_counter_width&&window.sc_counter_height){sc_counter_size=" width=\""+sc_counter_width+"\" height=\""+sc_counter_height+"\""}if(window.sc_remove_alt){sc_alt_text=""}var sc_cltext="\" alt=\""+sc_alt_text+"\" border=\"0\""+sc_counter_size+">";var sc_strout=sc_clstr+sc_link_back_start+"<img src=\""+sc_tracking_url+"&p="+sc_prerendering+sc_cltext+sc_link_back_end+"</span>";if(sc_error==1){document.writeln("Code corrupted. Insert fresh copy.")}else if(sc_remove==1){}else{sc_write_data()}function handleVisibilityChange(evt){if(sc_prerendering==1){sc_prerendering=2;sc_write_data()}else{return}}function sc_write_data(){if(sc_inv==1||sc_prerendering==2){if(window.sc_call){sc_call++}else{sc_call=1}eval("var sc_img"+sc_call+" = new Image();sc_img"+sc_call+".src = \""+sc_tracking_url+"&p="+sc_prerendering+"&invisible=1\"")}else if(window.sc_text){document.writeln('<scr'+'ipt language="JavaScript"'+' src='+sc_tracking_url+"&p="+sc_prerendering+"&text="+sc_text+'></scr'+'ipt>')}else{document.writeln(sc_strout)}}if(sc_cls>0){if(clickstat_done!=1){var clickstat_done=1;var clickstat_project=window.sc_project;var clickstat_security=window.sc_security_code;var dlext="7z|aac|avi|csv|doc|docx|exe|flv|gif|gz|jpe?g|js|mp(3|4|e?g)|mov|pdf|phps|png|ppt|rar|sit|tar|torrent|txt|wma|wmv|xls|xlsx|xml|zip";if(typeof(window.sc_download_type)=='string'){dlext=window.sc_download_type}var ltype="https?|ftp|telnet|ssh|ssl|mailto";var second="ac|co|gov|ltd|me|mod|net|nic|nhs|org|plc|police|sch|com";var dl=new RegExp("\\.("+dlext+")$","i");var lnk=new RegExp("^("+ltype+"):","i");var domsec=new RegExp("\^("+second+")$","i");var host_name=location.host.replace(/^www\./i,"");var host_splitted=host_name.split(".");var domain=host_splitted.pop();var host_split=host_splitted.pop();if(domsec.test(host_split)){domain=host_split+"."+domain;host_split=host_splitted.pop()}domain=host_split+"."+domain;var lnklocal_mask="^https?:\/\/(.*)("+domain+"|webcache.googleusercontent.com)";var lnklocal=new RegExp(lnklocal_mask,"i");if(document.getElementsByTagName){var anchors=document.getElementsByTagName('a');for(var i=0;i<anchors.length;i++){var anchor=anchors[i];if(anchor.onmousedown){var original_click=anchor.onmousedown;var s=original_click.toString().split("\n").join(" ");var bs=s.indexOf('{');var head=s.substr(0,bs);var ps=head.indexOf('(');var pe=head.indexOf(')');var params=head.substring(ps+1,pe);var plist=params.split(",");var body=s.substr(bs+1,s.length-bs-2);var insert="sc_clickstat_call(this,'"+sc_click_dir+"');";var final_body=insert+body;var ev_head="new Function (";var ev_params="";var ev_sep="";for(var sc_i=0;sc_i<plist.length;sc_i++){ev_params=ev_sep+"'"+plist[sc_i]+"'";ev_sep=","}if(ev_sep==","){ev_params+=","}var ev_foot="final_body);";var ev_final=ev_head+ev_params+ev_foot;anchor.onmousedown=eval(ev_final)}else{anchor.onmousedown=new Function("event","sc_clickstat_call(this,'"+sc_click_dir+"');return true;")}}}function sc_none(){return}function sc_delay(){if(window.sc_click_stat){var d=window.sc_click_stat}else{var d=0}var n=new Date();var t=n.getTime()+d;while(n.getTime()<t){var n=new Date()}}function sc_clickstat_call(adata,sc_click_dir){if(adata){var clickmode=0;if(lnk.test(adata)){if((lnklocal.test(adata))){if(dl.test(adata)){clickmode=1}else if(window.sc_exit_link_detect&&new RegExp(sc_exit_link_detect,"i").test(adata)){clickmode=2}else if(sc_cls==2){clickmode=2}}else{clickmode=2}}if(clickmode!=0){var sc_link=escape(adata);if(sc_link.length>0){var sc_req=sc_click_dir+"click.gif?sc_project="+clickstat_project+"&security="+clickstat_security+"&c="+sc_link+"&m="+clickmode+"&u="+sc_url+"&t="+sc_title+"&rand="+Math.random();var sc_req_image=new Image();sc_req_image.onload=sc_none;sc_req_image.src=sc_req;sc_delay()}}}}var sc_gsyn_pattern='googlesyndication\.com|ypn-js\.overture\.com|ypn-js\.ysm\.yahoo\.com|googleads\.g\.doubleclick\.net';var sc_gsyn_pattern2='^aswift_[0-9]+$';var sc_px;var sc_py;function sc_adsense_click(sc_data){if(sc_data.src.match(sc_gsyn_pattern)){var sc_link=escape(sc_data.src)}else{var sc_link=escape("Google Adsense "+sc_data.width+"x"+sc_data.height)}var i=new Image();var sc_req=sc_click_dir+"click.gif?sc_project="+clickstat_project+"&security="+clickstat_security+"&c="+sc_link+"&m=2&u="+sc_url+"&t="+sc_title+"&rand="+Math.random();i.src=sc_req;sc_delay()}function sc_adsense_init(){if(document.all&&typeof window.opera=="undefined"){var el=document.getElementsByTagName("iframe");for(var i=0;i<el.length;i++){if(el[i].src.match(sc_gsyn_pattern)||el[i].id.match(sc_gsyn_pattern2)){el[i].onfocus=function(){sc_adsense_click(this)}}}}else{if(typeof window.addEventListener!="undefined"){window.addEventListener("unload",sc_exitpage,false);window.addEventListener("mousemove",sc_getmouse,true)}}}if(typeof window.addEventListener!='undefined'){window.addEventListener('load',sc_adsense_init,false)}else{if(typeof document.addEventListener!='undefined'){document.addEventListener('load',sc_adsense_init,false)}else{if(typeof window.attachEvent!='undefined'){window.attachEvent('onload',sc_adsense_init)}else{if(typeof window.onload=='function'){var sc_existing=onload;window.onload=function(){sc_existing();sc_adsense_init()}}else{window.onload=sc_adsense_init}}}}function sc_getmouse(e){if(typeof e.pageX=="number"){sc_px=e.pageX;sc_py=e.pageY}else{if(typeof e.clientX=="number"){sc_px=e.clientX;sc_py=e.clientY;if(document.body&&(document.body.scrollLeft||document.body.scrollTop)){sc_px+=document.body.scrollLeft;sc_py+=document.body.scrollTop}else{if(document.documentElement&&(document.documentElement.scrollLeft||document.documentElement.scrollTop)){sc_px+=document.documentElement.scrollLeft;sc_py+=document.documentElement.scrollTop}}}}}function sc_findy(obj){var y=0;while(obj){y+=obj.offsetTop;obj=obj.offsetParent}return(y)}function sc_findx(obj){var x=0;while(obj){x+=obj.offsetLeft;obj=obj.offsetParent}return(x)}function sc_exitpage(e){ad=document.getElementsByTagName("iframe");if(typeof sc_px=="undefined"){return}for(var i=0;i<ad.length;i++){var adLeft=sc_findx(ad[i]);var adTop=sc_findy(ad[i]);var adW=parseInt(adLeft)+parseInt(ad[i].width)+15;var adH=parseInt(adTop)+parseInt(ad[i].height)+10;var inFrameX=(sc_px>(adLeft-10)&&sc_px<adW);var inFrameY=(sc_py>(adTop-10)&&sc_py<adH);if(inFrameY&&inFrameX){if(ad[i].src.match(sc_gsyn_pattern)||ad[i].id.match(sc_gsyn_pattern2)){sc_adsense_click(ad[i])}}}}}}

  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-46864866-1', 'auto');
  ga('require', 'displayfeatures');
  ga('send', 'pageview');