function noCopyMouse(e) {
if (navigator.appName == 'Microsoft Internet Explorer')
        var isRight = (event.button) ? (event.button == 2) : (event.which == 3);
else
{
var isRight = (e.button) ? (e.button == 2) : (e.which == 3);        
}
  
     if(isRight) {
            alert('You are prompted to type this');
            return false;
        }
        return true;
    }

    function noCopyKey(e) {
        var forbiddenKeys = new Array('c','x','v');
if (navigator.appName == 'Microsoft Internet Explorer')
        var keyCode = (event.keyCode) ? event.keyCode : event.which;
else
var keyCode = (e.keyCode) ? e.keyCode : e.which;

        var isCtrl;
        if(window.event)
           isCtrl = event.ctrlKey

        else
            isCtrl = (window.Event) ? ((e.modifiers & Event.CTRL_MASK) == Event.CTRL_MASK) : false;

        if(isCtrl) {
            for(i = 0; i < forbiddenKeys.length; i++) {
                if(forbiddenKeys[i] == String.fromCharCode(keyCode).toLowerCase()) {
                    alert('You are prompted to type this');
                    return false;
                }
            }
        }
        return true;
    }   


function dcopy()
{
document.reg.cemail.onmousedown=noCopyMouse;
document.reg.cemail.onkeydown=noCopyKey;
}

//document.onmousedown=noCopyMouse;
//if (document.layers) window.captureEvents(Event.MOUSEDOWN);
//window.onmousedown=noCopyMouse;
//if (document.layers) window.captureEvents(Event.CTRL_MASK);
//window.onkeydown=noCopyKey;