// new ------

if (typeof(YAHOO) !== 'undefined') {
	
	YAHOO.namespace('vb');
	
	YAHOO.vb.site = function() {
		
		var D = YAHOO.util.Dom;
		var E = YAHOO.util.Event;
		var _public = {};
		
		_public.showMore = function(short, full) {
			D.addClass(short, 'hidden');
			D.removeClass(full, 'hidden');
		};
		
		_public.showLess = function(short, full) {
			D.removeClass(short, 'hidden');
			D.addClass(full, 'hidden');
		};
		
		var _init = function() {
			D.getElementsByClassName('splashImageBox', 'div', 'content_div', _cropImageAddListener);
			D.getElementsByClassName('workThumbBox', 'div', 'content_div', _cropImageAddListener);
		};
		
		var _cropImageAddListener = function(el, obj) {
			
			// get img
			var a = D.getFirstChild(el);
			var img = D.getFirstChild(a);
			
			// hide offscreen
			//D.setStyle(a, 'margin-left', '1000px');
			//D.setStyle(img, 'display', 'none');
			
			// listen for load complete
			E.addListener(img, "load", _cropImageLoadComplete, obj);
			img.src = img.src; // work-around for cached images
			
		};
		
		var _cropImageLoadComplete = function(e) {
			
			// get img dimensions
			var img = E.getTarget(e);
			//D.setStyle(img, 'display', 'block');
			
			var imgWidth = img.offsetWidth;
			var imgHeight = img.offsetHeight;
			
			// get container dimensions
			var box = D.getAncestorByTagName(img, 'div');
			var boxWidth = box.offsetWidth;
			var boxHeight = box.offsetHeight;
			
			// calculate center
			var xOffset = Math.floor((boxWidth - imgWidth)/2);
			var yOffset = Math.floor((boxHeight - imgHeight)/2);
			
			// position
			//var a = D.getFirstChild(box);
			D.setStyle(img, 'margin-left', xOffset + 'px');
			D.setStyle(img, 'margin-top', yOffset + 'px');
			
		};
		
		YAHOO.util.Event.onDOMReady(_init);
		
		return _public;
		
	}();

}

// old -----

var vb = {
	
	openLarge: function(imageId) {
		
		var file = "/large/" + imageId;
		var win = "winLarge";
		var w = 700;
		var h = 500;
		var x = (screen.availWidth - w)/2;
		var y = (screen.availHeight - h)/2;
		var features = "toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+w+",height="+h+",screenX="+x+",screenY="+y+",top="+y+",left="+x;
		window.open(file, win, features);
	
	},
	
	expandWorkList: function() {
		
		var list = document.getElementById ('workNav');
		for (i = 0; i < list.childNodes.length; i++) {
			var listItem = list.childNodes[i];
			if (listItem.className == 'collapsed') listItem.className = 'expanded';
			else if (listItem.className == 'expanded') listItem.className = 'collapsed';
			else if (listItem.className == 'last expanded') listItem.className = 'last collapsed';
			else if (listItem.className == 'last collapsed') listItem.className = 'last expanded';
		}
	
	}
	
};

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 == '');
}