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;
}