(function($) {
$(function() {
$.hamFunction.opacityRollOver({
fnClass:'.over',
opacityDef:1.0,
fadeTime:300, 
opacityOn:0.6,
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);