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

function disableselect(e){
	for(var i=0;i<omitformtags.length;i++) {
		if(omitformtags[i] == e.target.tagName.toLowerCase()) {
			return true;
		}
	}
	return false;
}

function reEnable(){
	return true
}

if (typeof document.onselectstart!="undefined") {
	document.onselectstart=new Function ("return false")
} else{
	document.onmousedown=disableselect
	document.onmouseup=reEnable
}