<!--
function ComputeVol() {
        var tfeet;
        var wfeet;
        var lfeet;
        var form=document.concvol;

	// how many feet thick?
	if (isNaN(form.thicknessfeet.value)) {
	    form.thicknessfeet.value = "";
	    form.thicknessfeet.focus();
	    return;
	}
	if (isNaN(form.thicknessinches.value)) {
	    form.thicknessinches.value = "";
	    form.thicknessinches.focus();
	    return;
	}
	tfeet = parseInt(form.thicknessfeet.value) + parseFloat(form.thicknessinches.value/12);

        // how many feet wide?
	if (isNaN(form.widthfeet.value)) {
	    form.widthfeet.value = "";
	    form.widthfeet.focus();
	    return;
	}
	if (isNaN(form.widthinches.value)) {
	    form.widthinches.value = "";
	    form.widthinches.focus();
	    return;
	}
	wfeet = parseInt(form.widthfeet.value) + parseFloat(form.widthinches.value / 12);

        // how many feet long?
	if (isNaN(form.lengthfeet.value)) {
	    form.lengthfeet.value = "";
	    form.lengthfeet.focus();
	    return;
	}
	if (isNaN(form.lengthinches.value)) {
	    form.lengthinches.value = "";
	    form.lengthinches.focus();
	    return;
	}
	lfeet = parseInt(form.lengthfeet.value) + parseFloat(form.lengthinches.value / 12);

        // calculate the volume!
	if (isNaN(form.volume.value)) {
	    form.volume.value = "";
	}

	var volume = Math.round(tfeet * wfeet * lfeet / 27 * 100) / 100;

        if ((volume != 0) && (!isNaN(volume))) {
	    if (volume < 1) {
	        form.volume.value = "0" + volume;
	    } else {
	        form.volume.value = volume;
	    }
        }
    }

    function ResetFields() {
        var form=document.concvol;

	form.thicknessfeet.value = "";
	form.thicknessinches.value = "";
	form.widthfeet.value = "";
	form.widthinches.value = "";
	form.lengthfeet.value = "";
	form.lengthinches.value = "";
	form.volume.value = "";
    }

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) { //v3.0
  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); 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];}
}
//-->