function trapContentPasteKey() 
{
var kc = window.event.keyCode;
if ((window.event.ctrlKey  && (kc == 86  || kc == 118)) ||	//Ctrl-V
	(window.event.shiftKey &&  kc == 45               ) ||	//Shift-Insert
	(window.event.shiftKey &&  kc == 121              ) ||	//Shift-F10
	(kc == 93							              )		//WindowsKey-RightClick
   ) 
{
	window.event.keyCode = 0;
}
}
function DisableContextMenu(){ return false;}
function trapContentPasteMouse()
{	
	var mb = window.event.button;
	if (mb !=1 )
	{
		alert("This functionality is not allowed.");
	}
}