var shortPass='bad';var badPass='bad';var goodPass='good';var strongPass='strong';function passwordStrength(password,username){score=0;if(password==""){return null}if(password.length<4){return shortPass}if(username!=undefined&&password.toLowerCase()==username.toLowerCase()){return badPass}score+=password.length*4;score+=(checkRepetition(1,password).length-password.length)*1;score+=(checkRepetition(2,password).length-password.length)*1;score+=(checkRepetition(3,password).length-password.length)*1;score+=(checkRepetition(4,password).length-password.length)*1;if(password.match(/(.*[0-9].*[0-9].*[0-9])/)){score+=5}if(password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)){score+=5}if(password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/)){score+=10}if(password.match(/([a-zA-Z])/)&&password.match(/([0-9])/)){score+=15}if(password.match(/([!,@,#,$,%,^,&,*,?,_,~])/)&&password.match(/([0-9])/)){score+=15}if(password.match(/([!,@,#,$,%,^,&,*,?,_,~])/)&&password.match(/([a-zA-Z])/)){score+=15}if(password.match(/^\w+$/)||password.match(/^\d+$/)){score-=10}if(score<0){score=0}if(score>100){score=100}if(score<34){return badPass}if(score<68){return goodPass}return strongPass}function checkRepetition(pLen,str){res="";for(i=0;i<str.length;i++){repeated=true;for(j=0;j<pLen&&(j+i+pLen)<str.length;j++){repeated=repeated&&(str.charAt(j+i)==str.charAt(j+i+pLen))}if(j<pLen){repeated=false}if(repeated){i+=pLen-1;repeated=false}else{res+=str.charAt(i)}}return res}