// JavaScript Document //replaces button with text //for snippet, use "Replace button with answer" or "Replace choices inline" function withinAbs(answer, ideal, perc, absol) { if (Math.abs(answer-ideal)"; str += "

"; str += ""+explan+""; str += ""; str += ""; newwin.document.write(str); newwin.document.close(); } ///////////////////////// Used for derivations function DerivTable(question, derivArr) { this.question=question; this.derivArr = derivArr; this.writeDeriv(); } DerivTable.prototype.writeDeriv = function() { var str = '

' + '

' + '

'+this.question+'

' + 'Clicking once on the button will give you a suggested course of action
' + 'Clicking a second time will print details of that step

' + '

' + '' + ''; document.write(str); for(var i=0; i' + ''; document.write(str1); } function DerivStep(obj) { if(!obj) obj={}; this.prompt = obj.prompt; this.detail = obj.detail; this.id = "_der_tf"+obj.i; this.fullid = "_der_full"+obj.i; this.buttonid = "_der_button"+obj.i; this.i = obj.i; } DerivStep.prototype.clear = function() { var button = document.getElementById(this.buttonid); var j = this.i+1; button.value="Step " + j; document.getElementById(this.id).innerHTML=""; } DerivStep.prototype.write = function() { var j=this.i+1; var str = "

"; str += ""; str += "" document.write(str); } DerivStep.prototype.click = function() { var button = document.getElementById(this.buttonid); if (button.value==this.prompt) { button.value="close"; document.getElementById(this.id).innerHTML=this.detail; } else if (button.value=="close") { var j = this.i+1; button.value="Step " + j; document.getElementById(this.id).innerHTML=""; } else { button.value=this.prompt; } } function clearDeriv() {clearDeriv1(0, derArr.length);} function clearDeriv1(start, stop) { for (var i=start; i "; str += " "; document.write(str); } function checkBlanks() {checkBlanksPartial(0, blankArr.length);} function checkBlanksPartial(start, stop) { var err=0; for (var i=start; i
' + '' + ' ' + ''; alert(str); document.write(str); } //For slideshows function ImageSet(arr, name) { this.arr = arr; this.curr = 0; this.length = arr.length; this.btn1txt = "<<"; this.btn2txt = "<"; this.btn3txt = ">"; this.btn4txt = ">>"; this.name = name; this.btn1name = this.name+'bb'; this.btn2name = this.name+'b'; this.btn3name = this.name+'f'; this.btn4name = this.name+'ff'; } ImageSet.prototype.changeButtonText = function(t1, t2, t3, t4) { this.btn1txt = t1; this.btn2txt = t2; this.btn3txt = t3; this.btn4txt = t4; } ImageSet.prototype.changeCurr = function(num) { this.curr += num; if(this.curr>this.length) this.curr=this.length-1; if(this.curr<0) this.curr=0; } ImageSet.prototype.stepThrough = function(button, idname) { if(button.name==this.btn1name) {this.curr=0; } if(button.name==this.btn2name) {this.changeCurr(-1);} if(button.name==this.btn3name) {this.changeCurr(+1);} if(button.name==this.btn4name) {this.curr=this.length-1; } document.getElementById(idname).src = this.arr[this.curr].name; } ImageSet.prototype.writeSlideShow = function(idname) { var str = '

' + '

' + ' ' + ' ' + ' ' + '' + '

'; document.write(str); } //////////////////for TFOther Quiz function TFOther(userChoices, correctAnswer, question, hint, i) { this.question = question; this.correctAnswer = correctAnswer-1; this.userAnswer = null; this.hint = hint; this.i = i; this.idhint = "idhint"+i; this.userChoices = userChoices; } function TFOtherQuiz(arr, heading, wid, name) { this.quArr = arr; this.heading = heading; this.wid = wid; this.name = name; } TFOther.prototype.isCorrect = function() { if (this.correctAnswer == this.userAnswer) { document.getElementById(this.idhint).className="hidden"; return true; } else { document.getElementById(this.idhint).className="red"; return false; } } TFOtherQuiz.prototype.correctQuiz = function() { var correct = 0; for (var i = 0; i < this.quArr.length; i++) { if (this.quArr[i].isCorrect()) {correct++;} } if (correct < this.quArr.length) {wrong("check the answers with red text...", 200);} else {right("Well done, you aced it.", 200); } } TFOther.prototype.showForm = function(n, wid, name) { var str = '" ; str += ''; document.write(str); } TFOtherQuiz.prototype.write = function() { var str = '

'+this.heading+'

Step	Details

'; for (var i = 0; i < this.userChoices.length; i++) { str += ''; str += this.userChoices[i] + ' '; } str += '	'+this.question ; str += " -- " + this.hint + ".

'; document.write(str); for (var i = 0; i < this.quArr.length; i++) { this.quArr[i].showForm(i, this.wid, this.name); } str = '

'; document.write(str); } //////////////////use for 2 hints and answer function Question(correctAnswer, userChoices, id) { //this.question = question; this.correctAnswer = correctAnswer-1; this.userAnswer = null; this.userChoices = new Array(); this.hints = new Array(); for (var i=0; i'; str += this.userChoices[i]; str += '
'; } str += ''; document.write(str); } function hintButton1(myhint, ht) { document.write(''); } function hintButton2(myhint, ht) { document.write(''); }