function fnTrapKD(btn, event){
    if (document.all){
        if (event.keyCode == 13){
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }
    else if (document.getElementById){
        if (event.which == 13){
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }
    else if(document.layers){
        if(event.which == 13){
            event.returnValue=false;
            event.cancel = true;
            btn.click();
        }
    }
}

function fnDisableENTER(event){
    if (document.all){
        if (event.keyCode == 13) {
            event.keyCode = 0;
            event.returnValue = false;
            event.cancel = true;
        }
    }
    else if (document.getElementById){
        if (event.which == 13) {
            event.keyCode = 0;
            event.returnValue = false;
            event.cancel = true;
        }
    }
    else if(document.layers){
        if(event.which == 13) {
            event.which = 0;
            event.returnValue = false;
            event.cancel = true;
        }
    }
}