var stageDefault = "";
var tutorialHome = "../";  

function mg(txt) {window.status = txt;}

function mg2() {txt = "Open Help Menu"; window.status = txt;}

function wopenSlide(path,slideFolder) 
{
slideIndex = path + slideFolder + "/stepframe00.htm";
window.open (slideIndex,"SlideShow","width=1080,height=750,location=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable =yes");
}



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 navButtons(stepNo,last,stageL,stageR)
{
// Use last = "not last" except on last step, where last = "last"

if (stageL && stageR) {stageFileLeft = stageL; stageFileRight = stageR;}
else if (stageL) {stageFileLeft = stageL; stageFileRight = stageDefault;}
else if (stageR) {stageFileLeft = stageDefault; stageFileRight = stageR;}
else {stageFileLeft = stageDefault; stageFileRight = stageDefault;}

lastStep = stepNo - 1; 
nextStep = stepNo + 1;

if (stepNo != 0 && stepNo <= 10 ) {lastFrame="stepframe0"+lastStep+".htm";}
else {lastFrame="stepframe"+lastStep+".htm";}

if (stepNo < 9 ) {nextFrame="stepframe0"+nextStep+".htm";}
else {nextFrame="stepframe"+nextStep+".htm";}

rew1 = tutorialHome+"images/b_rew1.gif";
rew2 = tutorialHome+"images/b_rew2.gif";
rew3 = tutorialHome+"images/b_rew3.gif";
fwd1 = tutorialHome+"images/b_fwd1.gif";
fwd2 = tutorialHome+"images/b_fwd2.gif";
fwd3 = tutorialHome+"images/b_fwd3.gif";
spacer = tutorialHome+"images/spacer.gif";
tdid = "buttons";
gotoNext = "Go to next slide";
gotoLast = "Go to last slide";
backid = "back";
nextid = "next";
nada = "";

document.write("<BODY class='navFrame' onload='MM_preloadImages(rew2,fwd2)'>");
document.write("<CENTER>");
document.write("<TABLE BORDER=0 align='center' cellpadding='0' cellspacing='0'>");
document.write("<TR><TD>");

if (stepNo != 0) 
{
document.write("<a href='"+lastFrame+"' TARGET='_top' onmouseout='MM_swapImgRestore()'  onmouseover='MM_swapImage(backid,nada,rew2,1); mg(gotoLast); return true' onclick='loadstage(stageFileLeft)'>");
document.write("<img src='"+rew1+"' name='back' width='24' height='24' border='0' id='back' />");
document.write("</a>");
}
else
{
document.write("<img src='"+rew3+"' name='back' width='24' height='24' border='0' id='back' />");
}

document.write("</TD><TD>");
document.write("<img src='"+spacer+"' width='20' height='4' />");
document.write("</TD><TD>");

if (last != "last") 
{
document.write("<a href='"+nextFrame+"' TARGET='_top' onmouseout='MM_swapImgRestore()'  onmouseover='MM_swapImage(nextid,nada,fwd2,1); mg(gotoNext); return true' onclick='loadstage(stageFileRight)'>");
document.write("<img src='"+fwd1+"' name='next' width='24' height='24' border='0' id='next' />");
document.write("</a>");
}
else
{
document.write("<img src='"+fwd3+"' name='next' width='24' height='24' border='0' id='back' />");
}
document.write("</TD></TR></TABLE></CENTER></BODY>");
}


function stepFrames(stepNo) 
{

// Function used to create frameset for steps (which contain the content), including a frame for
// the arrows used for navigation.

if (stepNo < 10) {stepNum = "0" + stepNo;} 
else {stepNum = stepNo;}
stepContent = "step" + stepNum + ".htm";
stepNav = "stepnav" + stepNum + ".htm";

document.write("<FRAMESET rows='99%' FRAMEBORDER=0 BGCOLOR='#000000' framespacing='0' border='0'>");
document.write("<NOFRAMES>");
document.write("<BODY>");
document.write("<P>For this tutorial, you need to use a browser that supports frames.");
document.write("To run the simulators, you need Internet Explorer 4.0 or later, ");
document.write("either PC or Macintosh versions. These versions of Internet Explorer support frames.</P>");
document.write("</BODY>");
document.write("</NOFRAMES>");
document.write("<FRAMESET rows='94%,6%' FRAMEBORDER=0>");
document.write("<FRAME SRC='"+stepContent+"' NAME=page MARGINWIDTH=12 MARGINHEIGHT=12 FRAMEBORDER=0>");
document.write("<FRAME SRC='"+stepNav+"' NAME=nav SCROLLING=no MARGINWIDTH=12 MARGINHEIGHT=0 FRAMEBORDER=0>");
document.write("</FRAMESET></FRAMESET>");

}


function showSlide(slideNo) 
{

// Function used to write code for showing slide in "step"+slideNum+".htm"
// All slides are 828 x 620.

if (slideNo < 10) {slideNum = "0" + slideNo;} 
else {slideNum = slideNo;}

slideFile="slide"+slideNum+".jpg"

document.write("<div class='slide'>");
document.write("<img src='slides/"+slideFile+"'>");
document.write("</div>");

}



