+
+
+ function submitClicked(e, f) {
+ if(!(browserTester('chrome') || browserTester('safari'))) {
+ $("input.submit")[0].disabled=true;
+ $("input.submit")[1].disabled=true;
+ }
+ window.removeEventListener('beforeunload', beforeUnload, true);
+ if (f) {
+ f.submit();
+ }
+ }
+
+ function beforeUnload(e) {
+ if($("textarea#editor")[0].value != answer) {
+ return yourWorkWillBeLost(e);
+ }
+ }
+ window.addEventListener('beforeunload', beforeUnload, true);
+
+ var answer = "";