<script language="javascript">
<!--
function mouseOver()
{
document.getElementById("LoginBtn").style.backgroundImage = "url(images/LoginOKed.png)"
}
function mouseOut(){
document.getElementById("LoginBtn").style.backgroundImage = "url(images/LoginCa.PNG)"
}
//-->
</script>
<input name="LoginBtn" type="submit" class="LoginBtn" id="LoginBtn" tabindex="3" onClick="btnLogin_Click()" onmouseover="mouseOver()" onmouseout="mouseOut()" value="" />