function checkRClickYN() {
	document.oncontextmenu = new Function ("return false");
	document.ondragstart = new Function ("return false");
	document.onselectstart = new Function ("return false"); 
}

function ctrl_click(){
	if((event.ctrlKey) && (event.keyCode == 67)) return false; //don't copy
	if((event.ctrlKey) && (event.keyCode == 68)) return true; //don't bookmark
	if((event.ctrlKey) && (event.keyCode == 78)) return false;
}

function NoRightClick(b) {
   if(((navigator.appName=="Microsoft Internet Explorer")&&(event.button > 1))
   ||((navigator.appName=="Netscape")&&(b.which > 1))){
		document.oncontextmenu = new Function ("return true");
		document.ondragstart   = new Function ("return true");
		document.onselectstart = new Function ("return false"); 
   	return false;
   }

	if (window.Event){
		if (e.which == 2 || e.which == 3) return false;
	}
	else if (event.button == 2 || event.button == 3){
		event.cancelBubble = true;
		event.returnValue = false;
		return false;
	}

}

document.onselectstart = new Function ("return false"); 
document.onmousedown = NoRightClick;
document.onkeydown = ctrl_click