you can use javascript to do that. create a function that submits the form. read the link below to know how to do it. once that is there, at the end of the function, put a timer such astimerID = setTimeout("functionToSubmitForm()", 1200000);the 1200000 is 20 mins in milliseconds. 1 sec = 1000 ms. this will activate the function after 20 mins. but initially to get it started, in body taghere is the link to submit form using javascript
:
http://www.javascript-coder.com/java...m-submit.phtml