var myrules = {
	'IMG.imgPopup' : function(el){
		el.onclick = function(){
			var theWindow = window.open('slika.aspx?src=' + el.parentNode, '_blank', 'location=0,statusbar=0,menubar=0,width=460,height=200,resizable=1,scrollbars=auto');
			theWindow.focus();
			return false;
		}
	}
};

Behaviour.register(myrules);