document.onselectstart = Function ("return false"); // Disable select for IE
//document.onmousedown = Function ("return false"); // Disable select for Firefox
document.oncontextmenu = Function ("return false");
document.ondragstart = Function ("return false");
document.onmousemove = Function ("return false");
document.onafterprint = Function ("return false");
document.onbeforeprint = Function ("return false");
function checkCTRLKey(e)
{
	aUserAgent = navigator.userAgent.toLowerCase();
	if (aUserAgent.indexOf("msie") >= 0)
	{
		if(event.ctrlKey) alert("All contents in this site are Copyright.");
	}
	else
	{
		if ((e.which)&&(e.which==17)) alert("All contents in this site are Copyright.");
	}
}
window.document.onkeydown = checkCTRLKey;