/*
fait a partir du script de 
http://www.javascripter.net/faq/index.htm
*/


function showLink (e)
{
	var ctrlPressed=0;
	var shiftPressed=0;

	if (parseInt(navigator.appVersion) > 3)
	{

		var evt = navigator.appName == "Netscape" ? e : event;

		if (navigator.appName == "Netscape" && parseInt (navigator.appVersion) == 4)
		{
			// NETSCAPE 4 CODE
			var mString = (e.modifiers + 32).toString (2).substring (3,6);
			
			shiftPressed = (mString.charAt (0) == "1");
			ctrlPressed  = (mString.charAt (1) == "1");
		}
		else
		{
			// NEWER BROWSERS [CROSS-PLATFORM]
			shiftPressed = evt.shiftKey;
			ctrlPressed  = evt.ctrlKey;
		}

		if (shiftPressed && ctrlPressed) 
		{
			var obj = document.getElementById ("cache");
			obj.style.visibility = "visible";
		}
	}

	return true;
}

function mouseDown(e)
{
	var ctrlPressed=0;
	var altPressed=0;
	var shiftPressed=0;

	if (parseInt(navigator.appVersion) > 3)
	{

		var evt = navigator.appName == "Netscape" ? e : event;

		if (navigator.appName == "Netscape" && parseInt (navigator.appVersion) == 4)
		{
			// NETSCAPE 4 CODE
			var mString = (e.modifiers + 32).toString (2).substring (3,6);
			
			shiftPressed = (mString.charAt (0) == "1");
			ctrlPressed  = (mString.charAt (1) == "1");
			altPressed   = (mString.charAt (2) == "1");

			self.status = "modifiers=" + e.modifiers + " (" + mString + ")"
		}
		else
		{
			// NEWER BROWSERS [CROSS-PLATFORM]
			shiftPressed = evt.shiftKey;
			altPressed   = evt.altKey;
			ctrlPressed  = evt.ctrlKey;

			self.status=""
				+ "shiftKey=" + shiftPressed 
				+ ", altKey=" + altPressed 
				+ ", ctrlKey=" + ctrlPressed 
		}

		if (shiftPressed || altPressed || ctrlPressed) 
			alert ("Mouse clicked with the following keys:\n"
					+ (shiftPressed ? "Shift " : "")
					+ (altPressed   ? "Alt "   : "")
					+ (ctrlPressed  ? "Ctrl "  : "")
				  )
	}

	return true;
}

if (parseInt (navigator.appVersion) > 3)
{
	document.onmousemove = showLink;
	if (navigator.appName == "Netscape" && parseInt (navigator.appVersion) == 4) 
	    document.captureEvents (Event.MOUSEDOWN);
}