<!--

function preloadImages() {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) {
  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=findObj(n,d.layers[i].document); return x;
}

var lockImg="";

// replace original image with mouseover image
function swapImage() {
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; if (!x.lock) x.src=a[i+2];}
}
// restore original image
function swapImgRestore(imgName) {
  var x; if ((x=findObj(imgName))!=null){if(!x.lock) x.src=x.oSrc;}
}

// lock mouseover image
function swapImgLock(imgName, fileName){
  var x;

  // if we've clicked on the currently locked image, do nothing.
  // if the image is different, unlock the current lock and then lock the new
  if (imgName != lockImg) {
    // if there is a previously locked image, restore it
    unlockImg();

    // lock the current image
    lockImg = imgName;
    var x; if ((x=findObj(imgName))!=null){x.lock=1; if(!x.oSrc) x.oSrc=x.src; x.src=fileName}
  }
}

function unlockImg(){
    if(lockImg !=""){if ((x=findObj(lockImg))!=null){x.lock=0; x.src=x.oSrc; lockImg=""}}
}


function formCheck() {

    if (document.forms.frmDiscuss.Name.value == "")  {
	alert("You haven't entered a name or nickname!")
	return false;
    }
    if (document.forms.frmDiscuss.Theory.value == "")  {
	alert("You haven't entered any comments!")
	return false;
    }
    return true;
}


//-->