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;}

	document.oncontextmenu=new Function('return false');
    var omitformtags=["input", "textarea", "select"];
	
function disableselect(e){if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1)return false;}
function reEnable(){return true;}
if (typeof document.onselectstart!="undefined"){document.onselectstart=new Function ("return false");}
	else{document.onmousedown=disableselect;document.onmouseup=reEnable;}