(function($) {
	$(function() {
		$.hamFunction.opacityRollOver({
			fnClass:'.ovr',
			opacityDef:1.0,
			fadeTime:100,
			opacityOn:0.7,
			opacityOff:1.0
		});
	});
	$.hamFunction = {
		opacityRollOver: function(options){
			var c = $.extend(options);
			$(c.fnClass).each(function(){
				$(this).css('opacity',c.opacityDef).hover(
					function(){
        				$(this).fadeTo(c.fadeTime,c.opacityOn);
        			},
    				function(){
        				$(this).fadeTo(c.fadeTime,c.opacityOff);
   					}
   				)
			});
		}
	};
})(jQuery);