Load php content with jQuery AJAX

Question

My problem:

I have index.html:

Input: 

        

Answer 1

something like this with jQuery!:

Input: 

and function to submit:

function submitme(){
var tosend=document.getElementById("something").value;
$.ajax({
        type: 'POST',
        url: 'toload.php',
        data: 'something='+tosend,
        success: function(msg){
            if(msg){
                document.getElementById("something2").innerHTML=msg;
            }
            else{
                return;
            }
        }
    });
}