var omitformtags=["input", "textarea", "select"]

omitformtags=omitformtags.join("|")

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
}


function clickIE4(){
	if (event.button==2){
		return false;
	}
}

function clickNS4(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=clickNS4;
}
else if (document.all && !document.getElementById){
	document.onmousedown=clickIE4;
}

document.oncontextmenu = new Function("return false")