//take_online_menu_ajax.js
	
	function display_problem(problem_id)
	{
	      //Create a boolean variable to check for a valid MS instance.
	      var xmlhttp = false;
	
	      //Check if we are using IE.
	      try {
		      //If the javascript version is greater than 5.
		      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	      } catch (e) {
		      //If not, then use the older active x object.
		      try {
			      //If we are using IE.
			      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		      } catch (E) {
			      //Else we must be using a non-IE browser.
			      xmlhttp = false;
		      }
	      }
	
	      if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		      xmlhttp = new XMLHttpRequest();
	      }
	      
	      serverPage = "display_problem_panel.php?select_problem="+problem_id;
 
			
					
			var obj = document.getElementById("display_problem_panel");
			xmlhttp.open("POST", serverPage);
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
					obj.innerHTML = xmlhttp.responseText;
				}
			}
			xmlhttp.send(null);
	}

	function display(problem_id,answer)
	{    
	      //Create a boolean variable to check for a valid MS instance.
	      var xmlhttp = false;
	
	      //Check if we are using IE.
	      try {
		      //If the javascript version is greater than 5.
		      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	      } catch (e) {
		      //If not, then use the older active x object.
		      try {
			      //If we are using IE.
			      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		      } catch (E) {
			      //Else we must be using a non-IE browser.
			      xmlhttp = false;
		      }
	      }
	
	      //If we are using a non-IE browser, create a javascript instance of the object.
	      if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		      xmlhttp = new XMLHttpRequest();
	      }

	      if( answer == 'a' )
	      {
	            serverPage = "problem_panel.php?select_problem="+problem_id+"&answer=a";
	      }
	      else
	      if( answer == 'b' )
	      {
	            serverPage = "problem_panel.php?select_problem="+problem_id+"&answer=b";
	      }
	      else
	      if( answer == 'c' )
	      {
	            serverPage = "problem_panel.php?select_problem="+problem_id+"&answer=c";
	      }
	      else
	      if( answer == 'd' )
	      {
	            serverPage = "problem_panel.php?select_problem="+problem_id+"&answer=d";
	      }
	      else
	      {	     
	            serverPage = "problem_panel.php?select_problem="+problem_id;
         }
			
					
			var obj = document.getElementById("problem_panel");
			xmlhttp.open("POST", serverPage);
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
					obj.innerHTML = xmlhttp.responseText;
				}
			}
			xmlhttp.send(null);		
     
	}