function find(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=find(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function swap() { //v3.0
  var i,j=0,x,a=swap.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=find(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function restore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
  
function doNothing(){
}

	var posx=(screen.width/2)-300;
	var posy=(screen.height/2)-325;
function popupImage(file, winWidth, winHeight){
	NewWindow=window.open('artwork/popups/'+file+'.html','NewWin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,dependent=no,width='+winWidth+',height='+winHeight+',left='+posx+',top='+posy+'');
	}


imageCount = 0;
	function swapDiv(theDiv){
		i = 0;
		while (i<imageCount){
			document.getElementById('display'+i).style.display='none';
			i++;
		}
		document.getElementById(theDiv).style.display='block';
	}

	
function checknewsletterform ( form )
{
    // ** START **
    if (form.attribute1.value == "") {
        alert( "You forgot to enter your first name." );
        form.attribute1.focus();
        return false ;
    }
    if (form.attribute2.value == "") {
        alert( "You forgot to enter your last name." );
        form.attribute2.focus();
        return false ;
    }
    if (form.email.value == "") {
        alert( "You forgot to enter your email address." );
        form.email.focus();
        return false ;
    }
    // ** END **
        return true ;
}