I am calling page from main page but the onclick does not work until I reload the page.

any help? 

This is my link:

<a href="#" id="mag" data-role="button" onclick="formSubmit();"> <img src="images/mag.jpg" alt="" /> </a>

This is javascript:

1. $('#mag').click(function (event) {
   	formSubmit();
   	});
   	$(window).load(function () {
   	$("#q").keyup(function () {
   	var SEARCHWORD = this.value;
   	$("#MAIN_UL li").each(function () {
   	if ($(this).
   	find("a").
   	text().toUpperCase().
   	indexOf(SEARCHWORD.toUpperCase()) >= 0)
   	$(this).show();
   	else
   	$(this).hide();
   	});
   	});
   	});