var fileMaxSize=5000;

var fileType="jpg,gif";

var isTypeRight=false;

var str="";

?

function checkForm(){

??? str = document.getElementById("imageUpload.imagePath").value.toLowerCase();

??? var ext = str.split(".");

??? var type = fileType.split(",");

??? for(var i=0;i<type.length;i++){

??? ??? if(ext[1]==type[i]){

??? ?????? isTypeRight=true;

??? ??? }