function disableSelection(target) {
	if (typeof target.onselectstart != "undefined") //IE route
		target.onselectstart = function(){return false}
	else if (typeof target.style.MozUserSelect != "undefined") //Firefox route
		target.style.MozUserSelect = "none"
	else //All other route (ie: Opera)
		target.onmousedown = function(){return false}
	target.style.cursor = "default"
}
disableSelection(document.body);