function A514(){var A411=0;var A515=0;var name="";for(var x=1;x<=A516;x++){if(document.getElementById("f"+x).type=="radio"){if(name&&document.getElementById("f"+x).name!=name){A515++;name="";}if(document.getElementById("f"+x).lang==1&&(!document.getElementById("f"+x).checked)){name=document.getElementById("f"+x).name;}else if(document.getElementById("f"+x).checked&&document.getElementById("f"+x).lang==0){A411++;document.getElementById("tag"+x).color="#ff0000";name="";}else {document.getElementById("tag"+x).color="#ddddff";}}else {var A517=document.getElementById("f"+x).value;if(document.getElementById("fsolution1_"+x).lang&&(!A517)){A515++;document.getElementById("f"+x).style.color="#000000";}else if(A517!=document.getElementById("fsolution1_"+x).lang&&A517!=document.getElementById("fsolution2_"+x).lang&&A517!=document.getElementById("fsolution3_"+x).lang&&A517!=document.getElementById("fsolution4_"+x).lang){A411++;document.getElementById("f"+x).style.color="#ff0000";}else {document.getElementById("f"+x).style.color="#007700";}}}if(name){A515++;}if(A411>1){A411="You made "+A411+" mistakes!\n";}else if(A411==1){A411="You made 1 mistake!\n";}else {A411="";}if(A515>1){A515=A515+" answers are missing!";}else if(A515==1){A515="One answer is missing!";}else {A515="";}if(A411==0&&A515==0){alert("Congratulations!\nEverything is correct!");}else {alert(""+A411+""+A515);}return false;}function A518(){var A225=confirm("Are you sure you want us to solve this exercise?");if(!A225)return false;for(var x=1;x<=A516;x++){if(document.getElementById("f"+x).type=="radio"){if(document.getElementById("f"+x).lang==1){document.getElementById("f"+x).checked=true;}}else {if((!document.getElementById("f"+x).value)||(document.getElementById("f"+x).value!=document.getElementById("fsolution1_"+x).lang&&document.getElementById("f"+x).value!=document.getElementById("fsolution2_"+x).lang&&document.getElementById("f"+x).value!=document.getElementById("fsolution3_"+x).lang&&document.getElementById("f"+x).value!=document.getElementById("fsolution4_"+x).lang)){document.getElementById("f"+x).style.color="#ff0000";document.getElementById("f"+x).value=document.getElementById("fsolution1_"+x).lang;}}}return false;}