<!-- //hide from old browsers
//copyright 2002 uc4 ltd except where a copyright is not already held
//**********
// Dreamweaver Standard Scripts
//**********

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

//**********
// Sets the images that are 'on'. Needs variables passed from the page in an array
//**********

function UC4_setMenuImage(navframeno) { //modified by BL 27.10.03 to work with frames
	if(document.BL_images){
		var i,m,a=document.BL_images;
		for(i=0;i<(a.length-1);i+=2){
			if (navframeno != null){
				if ((x=MM_findObj(a[i] + '?' + navframeno))!=null){
					parent.frames[navframeno].location.reload();
				}
			} else {
				if ((x=MM_findObj(a[i]))!=null){
				x.src=a[i+1];
				}
			}
		}
	}
}

function gotoUrl(obj) {
	var s;
	s=obj.options[obj.selectedIndex].value
	if(!s) {
	}
	else { 
		location.href=s;
	}
}
function toggle(obj) {
          var obj=document.getElementById(obj);
          if (obj.style.display == "block") obj.style.display = "none";
          else obj.style.display = "block";
}

function show(obj) {
          var obj=document.getElementById(obj);
          obj.style.display = "block";
}

function hide(obj) {
          var obj=document.getElementById(obj);
          obj.style.display = "none";
}


//**********
// scripts to check quiz answers
//**********

// number of guesses allowed is set on page - var guesses
function guessletter(strAnswer) {

		document.getElementById("incorrectguess").style.display = "none";
		
		 if (guesses > 0) {	
		 		var arrBoxes=new Array();
				var arrAnswer = strAnswer.split(",");
				var gy=document.getElementById("guessletterbox").value;	
				gy=gy.toUpperCase();
				document.getElementById("guessedletter-correct").value = gy;
				document.getElementById("guessedletter-wrong").value = gy;
				document.getElementById("guessletterbox").value = ""; //clear for next guess
				var guessright = 0;		
				var strInput = "";
				var Separator = "";
				
				
				for (iw=0;iw<arrAnswer.length; iw++) {

						gx = document.getElementById("q" + iw).value //current value of matching input box


						if (gy == arrAnswer[iw] || "@" + gy == arrAnswer[iw]) {// if this character matches your guess
								if (gy == " ") {
									//ignore spaces
								}
								else {
								document.getElementById("q" + iw).value = gy;
								document.getElementById("q" + iw).style.color = "#943496";
								guessright = guessright + 1;
								document.getElementById("correctguess").style.display = "block";
								strInput = strInput + Separator + gy;
								Separator = ",";
								}
								
						} 
						else if (arrAnswer[iw].substr(0,1) == "@") {// if this character is a pre-entered character
								strInput = strInput + Separator + arrAnswer[iw];
								Separator = ",";
						}
						else if (gx == arrAnswer[iw]) {// if this char has already been guessed 
								strInput = strInput + Separator + arrAnswer[iw];
								Separator = ",";
						}

				}
				
				if (gy == "") {
						document.getElementById("incorrectguess").style.display = "none";
						document.getElementById("correctguess").style.display = "none";
						document.getElementById("noguess").style.display = "block";
						}
				else if (guessright == 0) {
						guesses = guesses - 1;
						
						if (guesses == 0) {
						document.getElementById("guessletterarea").style.display = "none";
						document.getElementById("wrong").style.display = "block";
						document.getElementById("WantHint").style.display = "none";
						document.getElementById("Hint").style.display = "none";
						document.getElementById("MoreHelp").style.display = "none";
						document.getElementById("SkipQuestion").style.display = "none";		
						document.getElementById("noguess").style.display = "none";
						}
						else {
						document.getElementById("incorrectguess").style.display = "block";
						document.getElementById("correctguess").style.display = "none";
						document.getElementById("noguess").style.display = "none";
						document.getElementById("numberguesses").value = guesses;
						}
						
				}
				else {
						if (strInput == strAnswer) {	// if you have got all the characters right
							document.getElementById("WantHint").style.display = "none";
							document.getElementById("Hint").style.display = "none";
							document.getElementById("MoreHelp").style.display = "none";
							document.getElementById("SkipQuestion").style.display = "none";
							document.getElementById("correct").style.display = "block";
							document.getElementById("noguess").style.display = "none";
					 	}
				}

		}	
	     else {
				document.getElementById("guessletterarea").style.display = "none";
				document.getElementById("wrong").style.display = "block";
				document.getElementById("WantHint").style.display = "none";
				document.getElementById("Hint").style.display = "none";
				document.getElementById("MoreHelp").style.display = "none";
				document.getElementById("SkipQuestion").style.display = "none";
				document.getElementById("noguess").style.display = "none";
		  }

}


function morehelp(z1,z2,z3) {
	document.getElementById("morehelp-info").style.display = "block";
	if (z1 == "") {
	}
	else {	
	document.getElementById("q1").value = z1;
	document.getElementById("q1").style.color = "#943496";
	}
	
	if (z2 == "") {
	}
	else {
	document.getElementById("q2").value = z2;
	document.getElementById("q2").style.color = "#943496";
	}
	
	if (z3 == "") {
	}
	else {
	document.getElementById("q3").value = z3;
	document.getElementById("q3").style.color = "#943496";
	}

}
		

//end hide from old browsers
//-->