Just a simple question please HELP!!!!

Just a simple question please HELP!!!!

Hi everyone,

Please see the code below, I don't know why I can't pass i to image:eq(i);
I had a few test already, the results were:

alert(i), it gives me a number,

alert($("#slider img:eq(i)"));, It gives me a [object object]

alert($("#slider img:eq(i)").attr("alt")); It gives me [undefined]  :( 



function setCurrent(i){
i = parseInt(i)+1;
alert($("#slider img:eq(i)").attr("alt"));
};



Thanks!!!!