function showMenuBody(){
	window.alert("               www.sheetram.com\n\n Contact : 02-723-0950 , 085-967-9080");
	return false;
}

document.oncontextmenu = showMenuBody;
if(document.addEventListener){
	document.addEventListener("mousedown", VerifyIfRightClick, true); 
}

function VerifyIfRightClick(evt) { 
	if(evt.button == 1 || evt.button == 2) { showMenuBody(); }
}