/*windowFocus = true;
window.onblur = setWindowFocus;
window.onfocus = setWindowNoFocus;
window.setInterval("NoPrintScreen()", 100);

function NoPrintScreen()
{
	if ( windowFocus && clipboardData.getData('text') == null)
	{
		clipboardData.setData('text','');
	}
}
function setWindowFocus()
{
	windowFocus = true;
}
function setWindowNoFocus()
{
	windowFocus = false;
}*/
document.onkeydown = documentOnKeyDown;
function documentOnKeyDown() 
{
	var event = arguments[0] || window.event;
	if (event.ctrlKey && event.keyCode==80) 
	{
		event.returnValue = false;
		event.cancelBubble = true;
		event.keyCode = 0;
	}//Ctrl+P
}