anchor.diff:  						function(){
   							//onclicked, cache clicked option to local storage.
   							p.tests[testItor].taking = {"stuans":$(this).parent().text().charAt(0)}
  -							window.localStorage.setItem('tests',JSON.stringify(p));						
  +							window.sessionStorage.setItem('tests',JSON.stringify(p));						
   					});
   				}
   			}else{
  
positive.code: 		}
  	}
  	
  	//Display tests.
  	function showTest4View(){
  		if(testItor > -1 && testItor < total){
  
negative.code: 			var scheme = debug == true?'http://':'https://';
  			var subdomain = debug == true? "mmtcexam/oneedit":"oneedit";
  			var url = scheme + ip + subdomain;
  			/*$.ajax({
  			    url : url,
  			    type: "POST",
  			    data : postParam,
  