function Calc(form) 
{
var ok = 0;
var aw = form.width.value;
var al = form.height.value;
var ath = form.depth.value;
var bf = form.total.value;

var complete = "It looks like you entered all the information already!  Only enter values for width, height, and depth.";

var incomplete = "!! BOINK !!\n\n  You didn't enter enough information.\n\n  Please enter values for width, height, and depth.";

if (aw != "" && ath != "" && al != "") { form.total.value = ((aw * ath * al) / 144); ok++; } // solve for board feet
if (bf != "" && ath != "" && aw != "") { form.height.value = ((144 * bf )/( aw * ath)); ok++; } // solve for length

if (!ok) alert(incomplete);  // they did not enter at least 2 fields
if (aw != "" && ath != "" && bf != "" && al != "") alert(complete); // they filled in all the fields!
}

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_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 == '');
}

/********************************************************************************
Copyright (C) 1999 Thomas Brattli
This script is made by and copyrighted to Thomas Brattli at www.bratta.com
Visit for more great scripts. This may be used freely as long as this msg is intact!
I will also appriciate any links you could give me.
********************************************************************************/
//Default browsercheck, added to all scripts!
function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()
/***************************************************************************************
Variables to set:
***************************************************************************************/
messages=new Array()
//Write your descriptions in here.
messages[0]="Return to the home page."
messages[1]="Information about some of our favorite artists, along with photos of their work."
messages[2]="Our online shopping cart."
messages[3]="Tell us what you think, and read comments from others."
messages[4]="Our favorite links."
messages[5]="Reach us by land, phone, fax, or email."
messages[6]="What is your level of expertise?"
messages[7]="Download your favorite artists screen saver."
messages[8]="Enter our monthly contest and win!"
messages[9]="See our shop, staff, events, raw burl, wood piles, and more."
messages[10]="Coupons, discounts, gift certificates, etc."
messages[11]="Sign up for our wood club of the month, and receive a new piece every month for a year."
messages[12]="This section is coming soon."
messages[13]="Upcoming events and shows."
messages[14]="Download our brochure or have one mailed to you."
//To have more descriptions just add to the array.

fromX=25 //How much from the actual mouse X should the description box appear?
fromY=-10////How much from the actual mouse Y should the description box appear?

//To set the font size, font type, border color or remove the border or whatever,
//change the clDescription class in the stylesheet.

//Makes crossbrowser object.
function makeObj(obj){								
   	this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?document.layers[obj]:0;	
   	this.wref=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?document.layers[obj].document:0;		
	this.writeIt=b_writeIt;																
	return this
}
function b_writeIt(text){if(bw.ns4){this.wref.write(text);this.wref.close()}
else this.wref.innerHTML=text}

//Capturing mousemove
var descx,descy;
function popmousemove(e){descx=bw.ns4?e.pageX:event.x; descy=bw.ns4?e.pageY:event.y}

//Initiates page
var isLoaded;
function popupInit(){
    oDesc=new makeObj('divDescription')
    if(bw.ns4)document.captureEvents(Event.MOUSEMOVE)
    document.onmousemove=popmousemove;
    isLoaded=true;
}	
//Shows the messages
function popup(num){
    if(isLoaded){
	oDesc.writeIt('<span class="clDescription">'+messages[num]+'</span>')
	if(bw.ie5) descy=descy+document.body.scrollTop
	oDesc.css.left=descx+fromX; oDesc.css.top=descy+fromY
	oDesc.css.visibility='visible'
    }
}
//Hides it
function popout(num){
	if(isLoaded) oDesc.css.visibility='hidden'
}

//initiates page on pageload.
onload=popupInit;

function MM_openBrWindow(theURL,winName,features) 
{ //v2.0
  window.open(theURL,winName,features);
}

function BW_reload() {location.reload();}

function BW_centerLayers() { //v4.1.1
	if (document.layers || document.all || document.getElementById){
		var winWidth, winHeight, i, horz, vert, width, height, offsetX, offsetY, negX, negY, group, x, y, args;
		args = BW_centerLayers.arguments;
		
		onresize = BW_reload;

				
		winWidth = (document.all)?document.body.clientWidth:window.innerWidth;
		winHeight = (document.all)?document.body.clientHeight:window.innerHeight;
				
		for (i=0; i<(args.length-9); i+=10) {
			horz    = args[i+1];
			vert    = args[i+2];
			width   = parseInt(args[i+3]);
			height  = parseInt(args[i+4]);
			offsetX = parseInt(args[i+5]);
			offsetY = parseInt(args[i+6]);
			negX    = args[i+7];
			negY    = args[i+8];
		
			x = ((winWidth - width)/2) + offsetX;
			y = ((winHeight - height)/2) + offsetY;
						
			x = (negX=='false' && (x < 0))?0:x;
			y = (negY=='false' && (y < 0))?0:y;
				
			layerObj = (document.getElementById)?document.getElementById(args[i]):MM_findObj(args[i]);
			
			if (layerObj!=null) {
				layerObj = (layerObj.style)?layerObj.style:layerObj;
				layerObj.left = (horz=="true")?x:layerObj.left;
				layerObj.top = (vert=="true")?y:layerObj.top;
			}
		}
	}
}

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();
}

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_popupMsg(msg) { //v1.0
  alert(msg);
}

function formAction(f,p){
	if(MM_findObj(f)){eval("MM_findObj('"+f+"').action='"+p+"'");}
}

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_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_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];}
}