hi i have dynamically created textboxes using javascript in table format. actually what i want is if enter id of a student in one text box then remaining details of that student should be retrieve in other textboxes on onkeyup. for this i have used a simple ajax function. but it shows Runtime error in IE7.
This is that code:

function showUser(str)
{
if (str=="")
{
document.getEle mentById("dis") .innerHTML="";...