//----------------------------------------------------------

var myrules = {
	
	
	'#gallerycontainer a.thumbnail' : function(el){
		el.onmouseover = function() { Element.hide("preview"); };
		el.onmouseout = function() { 	
		var newContent = this.down(1);
		$('preview').update(newContent.innerHTML);
		Element.show("preview");
		};
		el.onclick = function() { 
		Popup.open({url:this.href});     return false;
		};
	},
	
	
	'#gallerycontainer a.thumbnail img' : function(el){
		el.onmouseover = function() { 
		 
		var aImages = $('gallerycontainer').getElementsByClassName('ithumb');
		aImages.each(function(item) {
		  btnOut(item);
		});
		
		btnOver(this);
		};
		//el.onmouseout = function() { btnOut(this); };
		
		
	}
	
};



//----------------------------------------------------------

Behaviour.register(myrules);

//----------------------------------------------------------


function btnOver(img) { 
		var imgName = img.src;
		var checker = imgName.lastIndexOf("_on.");
		var dotat = imgName.lastIndexOf(".");
		if(checker==-1) {
			img.src = imgName.substr(0,dotat) + "_on" + 
			imgName.substr(dotat,imgName.length);
			
		}
	}
	
function btnOut(img) {
		var imgName = img.src;
		var dotat = imgName.lastIndexOf("_on.");
		if(dotat!=-1) {
			img.src = imgName.substr(0,dotat) + 
			imgName.substr(dotat + 3,imgName.length);
		}
	}