function clickElement(elementid){
    var e = document.getElementById(elementid);
    if (typeof e == 'object') {
        /*if(typeof e.click != 'undefined') {
            e.click();
            alert('click');
            return false;
        }
        else */
        if(document.createEvent) {
            var evObj = document.createEvent('MouseEvents');
            evObj.initEvent('click',true,true);
            e.dispatchEvent(evObj);
            return false;
        }
        else if(document.createEventObject) {
            e.fireEvent('onclick');
            return false;
        }
        else {
            e.click();
            alert('click');
            return false;
        }
    }
}