function clickIE(){if (document.all) {return false;}}
	function clickNS(e){if
	(document.layers||(document.getElementById&&!document.all)) {if
	(e.which==2||e.which==3) {return false;}}}if
	(document.layers){document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}else
	{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
	function disableselect(e){return false;}
	function reEnable(){return true;}
	//if IE4+
	document.onselectstart=new Function ("return false")
	//if NS6
	if
	(window.sidebar){document.onmousedown=disableselect;document.onclick=reEnable}