function nextStep(currentStep){if(currentStep==2){$('#step1').css('display','none');$('#step2').css('display','inline')}
if(currentStep==3){$('#step2').css('display','none');$('#step3').css('display','inline')}
if(currentStep==41){$('#step3').css('display','none');$('#step4').css('display','none');$('#step41').css('display','inline')}
if(currentStep==42){$('#step4').css('display','none');$('#step42').css('display','inline')}
if(currentStep==4){$('#step3').css('display','none');$('#step4').css('display','inline')}
if(currentStep==5){$('#step4').css('display','none');$('#step5').css('display','inline')}
if(currentStep==6){$('#step5').css('display','none');$('#step6').css('display','inline')}
if(currentStep==7){$('#step6').css('display','none');$('#step7').css('display','inline')}
if(currentStep==71){$('#step7').css('display','none');$('#step71').css('display','inline')}
if(currentStep==8){$('#step7').css('display','none');$('#step8').css('display','inline')}
if(currentStep==9){$('#step8').css('display','none');$('#step9').css('display','inline')}}
function submitISBN(){$.ajax({type:"POST",url:"lab.php",data:"school="+$('#school').val()+"&city="+$('#city').val()+"&state="+$('#state').val()+"&postcode="+$('#postcode').val()+"&country="+$('#country').val()+"&isbnquery="+$('#isbn').val(),success:function(msg){if(msg=='0'){nextStep(41);}else{nextStep(4);jQuery.data(document.body,'ed_isbn',msg.split('|',2)[0]);$('#ed_title').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title1').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title2').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title3').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title4').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title5').attr('innerHTML',msg.split('|',2)[1]);$('#ed_title6').attr('innerHTML',msg.split('|',2)[1]);}}});}
function getQuestion(){$.ajax({type:"POST",url:"lab.php",data:"question=true"+"&ed_isbn="+jQuery.data(document.body,'ed_isbn'),success:function(msg){jQuery.data(document.body,'questionId',msg.split('|',2)[0]);$('#question').attr('innerHTML',msg.split('|',2)[1]);}});}
function submitWindows(){jQuery.data(document.body,'platform','win');getQuestion();nextStep(7);}
function submitMacosx(){jQuery.data(document.body,'platform','osx');getQuestion();nextStep(7);}
function submitQuestion(){$.ajax({type:"POST",url:"lab.php",data:"answer="+$('#answer').val()+"&questionId="+jQuery.data(document.body,'questionId'),success:function(msg){if(msg=='1'){nextStep(8);}else{nextStep(71);}}});}
function submitDownload(){$.ajax({type:"POST",url:"lab.php",data:"download="+jQuery.data(document.body,'ed_isbn')+"&platform="+jQuery.data(document.body,'platform')+"&school="+$('#school').val()+"&city="+$('#city').val()+"&state="+$('#state').val()+"&postcode="+$('#postcode').val()+"&country="+$('#country').val()+"&isbn="+$('#isbn').val(),success:function(msg){nextStep(9);window.location.href=msg;}});}
function checkDownloadForIE(){if($.browser.msie){$.ajax({type:"POST",url:"lab.php",data:"downloadIe=true",success:function(msg){if(msg.length>0){nextStep(2);nextStep(3);nextStep(4);nextStep(5);nextStep(6);nextStep(7);nextStep(8);nextStep(9);window.location.href=msg;}}});}}