var finalArraySize=3;var imageNums = new Array();var finalNums = new Array(finalArraySize);var randomNums = new Array(finalArraySize);var settingsCookieName = 'previousSettings';var cookieString;function setImages(){document.pic0.src=picName + randomNums[0] + ".gif";document.pic1.src=picName + randomNums[1] + ".gif";document.pic2.src=picName + randomNums[2] + ".gif";}function loadArray(){imageNums = new Array(1,2,3,4,5,6,7,8,9,10);}function removeCorrect(){for (var i=0; i < imageNums.length; i++){if (imageNums[i] == correctNum){for (var j=i; j < imageNums.length-1; j++){imageNums[j] = imageNums[j+1];}imageNums.length--;}}}function getRandomWrongs(){for (var i=0; i<finalNums.length-1; i++){var index = (Math.round(Math.random() * 10000) % imageNums.length);finalNums[i] = imageNums[index];for (var j=index; j<imageNums.length-1;j++){imageNums[j]=imageNums[j+1];}imageNums.length--;}finalNums[finalNums.length-1] = correctNum;}function randomizeImages(){for (var i=0; i<randomNums.length; i++){var index = (Math.round(Math.random() * 10000) % finalNums.length);randomNums[i] = finalNums[index];for (var j=index; j<finalNums.length-1;j++){finalNums[j]=finalNums[j+1];}finalNums.length--;}}function goTo0(){if (randomNums[0] == correctNum){cookieString = 0;arrayToCookie();window.location.replace("correct" + correctNum + ".htm");}else {cookieString = randomNums.join("#");arrayToCookie();window.location.replace("tryagain" + correctNum + ".htm");}}function goTo1(){if (randomNums[1] == correctNum){cookieString = 0;arrayToCookie();window.location.replace("correct" + correctNum + ".htm");}else {cookieString = randomNums.join("#");arrayToCookie();window.location.replace("tryagain" + correctNum + ".htm");}}function goTo2(){if (randomNums[2] == correctNum){cookieString = 0;arrayToCookie();window.location.replace("correct" + correctNum + ".htm");}else {cookieString = randomNums.join("#");arrayToCookie();window.location.replace("tryagain" + correctNum + ".htm");}}function getImages(){loadArray();removeCorrect();getRandomWrongs();randomizeImages();}function arrayToCookie(){var expDate = new Date();fixCookieDate(expDate);expDate.setTime(expDate.getTime() + (60 * 60 * 1000));setCookie(settingsCookieName, cookieString, expDate, "");}function cookieToArray(){var tempCookie = getCookie(settingsCookieName);if(tempCookie && tempCookie != 0){randomNums = tempCookie.split("#");setImages();}else{startOver();}}function fixCookieDate(date){var base = new Date(0);var skew = base.getTime();if(skew > 0)date.setTime(date.getTime() - skew);}function getCookie(name) {var arg = name + "=";var alen = arg.length;var clen = document.cookie.length;var i = 0;while(i < clen) {var j = i + alen;if(document.cookie.substring(i, j) == arg)return getCookieVal (j);i = document.cookie.indexOf(" ", i) + 1;if(i == 0) break;}return null;}function getCookieVal(offset){var endstr = document.cookie.indexOf (";", offset);if(endstr == -1)endstr = document.cookie.length;return unescape(document.cookie.substring(offset, endstr));}function setCookie(name, value, expires, path, domain, secure){document.cookie = name + "=" + escape (value) +((expires) ? "; expires=" + expires.toGMTString() : "") +((path) ? "; path=" + path : "") +((domain) ? "; domain=" + domain : "") +((secure) ? "; secure" : "");}function startOver(){getImages();setImages();}