Suppress Backspace

//-----------------------------------------------------
//
//-----------------------------------------------------
document.onkeydown = function () {
    var e = window.event; 
    suppressBackspace(e);
};


//-----------------------------------------------------
//
//-----------------------------------------------------
function suppressBackspace(evt) {
evt = evt || window.event;
var target = evt.target || evt.srcElement;
if (evt.keyCode == 8 && !/input|textarea/i.test(target.nodeName)) {
evt.returnValue = false;
}
};

ScrollbarUp

document.getElementById('users').doScroll("scrollbarUp");

Make a copy of a table structure and data

create table job_part_old as select * from job_part