function setElementHeight(elementId,newHeight) {
    if (document.getElementById(elementId))
        document.getElementById(elementId).style.height = newHeight + 'px';
}

function trapLoginEnter() {
    Event.observe(document, "keypress", checkLoginKeyPress, false);
}

function checkLoginKeyPress(event) {
    var iCode = (event.keyCode) ? event.keyCode : event.which;
    if (iCode) {
        if (iCode == Event.KEY_RETURN) {
            WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("ctl00$ctl00$ContentPlaceHolder1$InteriorContentPlaceholder1$UserLogin1$Login1$LoginButton", "", true, "ctl00$ctl00$ContentPlaceHolder1$InteriorContentPlaceholder1$UserLogin1$Login1", "", false, false));
        }    
    }
}