function Go(choice)
{
	document.location = choice;
}

var blinker = "On"
var t

function Blink()
{
	if (document.getElementById("NumPrev"))
	{
		if (blinker == "On")
		{
			for (i = 1; i <= document.getElementById("NumPrev").value; i++)
			{
				document.getElementById("Prev" + i).style.color = "white"
			}
		}
		else
		{
			for (i = 1; i <= document.getElementById("NumPrev").value; i++)
			{
				document.getElementById("Prev" + i).style.color = "red"
			}
		}
		if (blinker == "On")
		{
			blinker = "Off"
			t = setTimeout("Blink()",350)
		}
		else
		{
			blinker = "On"
			t = setTimeout("Blink()",2000)
		}
	}
}

function OC(choice)
{
	var Answer = "Answer" + choice
	var Link = "Link" + choice
	
	if (document.getElementById(Link).innerHTML == "View Answer")
	{
		document.getElementById(Answer).style.width = "auto"
		document.getElementById(Answer).style.height = "auto"
		document.getElementById(Link).innerHTML = "Hide Answer"
	}
	else
	{
		document.getElementById(Answer).style.width = "0px"
		document.getElementById(Answer).style.height = "0px"
		document.getElementById(Link).innerHTML = "View Answer"
	}
}

function AJAX_FUNCTION(DOVAR)
{
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
  {
    alert ("Browser does not support HTTP Request")
    return
  } 
  var url="PHP_PAGE.php?VAR=" + DOVAR + "&sid="+Math.random()
  xmlHttp.onreadystatechange=AJAXCALL
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function AJAXCALL() 
{ 
  if ((xmlHttp.readyState==4 || xmlHttp.readyState=="complete"))
  { 
    document.getElementById("AJAXDIV").innerHTML=xmlHttp.responseText
  }
}

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
  {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
  }
  catch (e)
  {
    //Internet Explorer
    try
    {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}