function PrintPage() {
    window.print();
}

function checkEnter(e, target) { //e is event object passed from function invocation
    var characterCode //literal character code will be stored in this variable

    if (e && e.which) { //if which property of event object is supported (NN4)
        e = e
        characterCode = e.which //character code is contained in NN4's which property
    }
    else {
        e = event
        characterCode = e.keyCode //character code is contained in IE's keyCode property
    }

    if (characterCode == 13) { //if generated character code is equal to ascii 13 (if enter key)
        //document.forms[0].submit() //submit the form
        __doPostBack(target, '')
        return false
    }
    else {
        return true
    }
}