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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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_reloadPage(init) {  //reloads the window if Nav4 resized
	if (init==true) with (navigator) {
  		if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    	document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; 
		}
	}
	else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function layerSnap() { //v2.62 by PVII
var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=layerSnap.arguments;a=parseInt(a);
for (k=0; k<(args.length-3); k+=4)
if ((g=MM_findObj(args[k]))!=null) {
	el=eval(MM_findObj(args[k+1]));
	a=parseInt(args[k+2]);b=parseInt(args[k+3]);
	x=0;y=0;ox=0;oy=0;p="";tx=1;da="document.all['"+args[k]+"']";
	if(document.getElementById) {
		d="document.getElementsByName('"+args[k]+"')[0]";
		if(!eval(d)) {d="document.getElementById('"+args[k]+"')";
			if(!eval(d)) {d=da;}
		}
    }
	else if(document.all) {d=da;} 
    if (document.all || document.getElementById) {
		while (tx==1) {
			p+=".offsetParent";
			if(eval(d+p)) {
				x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
      		}
			else {tx=0;}
		}
     	ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);
		var tw=x+ox+y+oy;
     	if(tw==0 || (navigator.appVersion.indexOf("MSIE 4")>-1 && navigator.appVersion.indexOf("Mac")>-1)) {
      		ox=0;oy=0;
			if(g.style.left) {
				x=parseInt(g.style.left);y=parseInt(g.style.top);
      		}
			else {
			var w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;
     		a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
      		x=document.body.scrollLeft + event.clientX + bx;
      		y=document.body.scrollTop + event.clientY;
			}
		}
	}
	else if (document.layers) {
		x=g.x;y=g.y;var q0=document.layers,dd="";
    	for(var s=0;s<q0.length;s++) {
			dd='document.'+q0[s].name;
   			if(eval(dd+'.document.'+args[k])) {
				x+=eval(dd+'.left');y+=eval(dd+'.top');
				break;
			}
		}
	}
	if(el) {
		e=(document.layers)?el:el.style;
		var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
 		if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4) {
			xx+="px";yy+="px";
		}
   		if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1) {
    		xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    		xx+="px";yy+="px";
		}
		e.left=xx;e.top=yy;
		}
	}
}

function MM_showHideLayers() { //v3.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) 
	if ((obj=MM_findObj(args[i]))!=null) { 
		v=args[i+2];
   		if (obj.style) { 
			obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; 
		}
    	obj.visibility=v; 
	}
}

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 openWindow(url) {
window.open(url, 'fabers', 'width=350,height=400,resizable,scrollbars')
}

function openLgWindow(url) {
window.open(url, 'fabers', 'width=550,height=450,resizable,scrollbars')
}

function openPgPreview(url) {
window.open(url, 'preview', 'width=504,height=672,resizable,scrollbars')
}

function openWidePgPreview(url) {
window.open(url, 'preview', 'width=500,height=380,resizable=no')
}

function openVideoHi(url) {
window.open(url, 'video', 'width=320,height=255,resizable=no')
}

function openVideoLo(url) {
window.open(url, 'video', 'width=160,height=135,resizable=no,')
}

function chkForm() {
if(document.contact.name.value==""){
	alert("Please enter your full name.");
	document.contact.name.focus();
	return(false);
	}
if(document.contact.email.value=="") {
	alert("Please enter your email address.");
	document.contact.email.focus();
	return(false);
	}

// check if email field has '@' or '.'
var emailText=document.contact.email.value
var chk1="@"
var chk2="."
if(emailText.indexOf(chk1)<0 || emailText.indexOf(chk2)<0){
	alert("Your email address is not valid." + "\n" + "(must include an \"@\" and a \".\")");
	document.contact.email.focus();
	return(false);
	}
if(document.contact.comments.value=="") {
	alert("Please enter your message.");
	document.contact.comments.focus();
	return(false);
	}
//check for comment spam
var commentText=document.contact.comments.value
var chk3="[url"
if(commentText.indexOf(chk3)>0){
	alert("URL links are not allowed in this form.")
	document.contact.email.focus();
	return(false);
	}
}

function chkComments() {
if(document.comment.comments.value==""){
	alert("Please enter your comments.");
	document.comment.comments.focus();
	return(false);
	}
if(document.comment.initials.value=="") {
	alert("Please enter your initials.");
	document.comment.initials.focus();
	return(false);
	}
//check for comment spam
var teachercommentText=document.comment.comments.value
var chk4="[url"
if(teachercommentText.indexOf(chk4)>0){
	alert("URL links are not allowed in this form.")
	document.comment.comments.focus();
	return(false);
	}
}

function chkNews() {
	if(document.news.email.value=="") {
	alert("Please enter your email address.");
	document.news.email.focus();
	return(false);
	}
// check if email field has '@' or '.'
var emailText=document.news.email.value
var chk1="@"
var chk2="."
if(emailText.indexOf(chk1)<0 || emailText.indexOf(chk2)<0){
	alert("Your email address is not valid." + "\n" + "(must include an \"@\" and a \".\")");
	document.news.email.focus();
	return(false);
	}
}

function validateForm(oForm)
 {
	if(oForm.elements['namecheck'].value.length>0)
 		{
 			alert("This field must be empty.");
 			return false;
 		}
 }