var omitformtags=["input", "textarea", "select"];
function disableselect(e){ 
	e = e ? e : window.event; 
	for (i = 0 ; i < omitformtags.length ; i++ ){
		if (omitformtags[i]==(e.target.tagName.toLowerCase()) || ( omitformtags[i] == e.srcElement.type.toLowerCase() ) ) {
			return;
		}
	}
	return false;
}
function reEnable(){return true}document.write('<div style="position:absolute;visibility:visible;top:-3000px;left:-3000px;"><form name="_hiddenFrom"><input type="text" value="喔喔!你按Ctrl-A喔!" name="_hiddenText"></form></div>');
if (typeof document.onselectstart=="undefined"){
	document.onmousedown=disableselect;
	document.onmouseup=reEnable;
}
else{
	document.onmousedown = function() { 
		for ( var i = 0 ; i < omitformtags.length ; i++ ) {
			if ( event.srcElement.tagName.toLowerCase() == omitformtags[i] ) { return true; }
		}
		return false;
	};

	document.onmouseup = function() {
		for ( var i = 0 ; i < omitformtags.length ; i++ ) {
			if ( event.srcElement.tagName.toLowerCase() == omitformtags[i] ) { return true; }
		}
		return false;
	};
}

document.onselectstart = function() { return false; };
document.onselect=new Function("return false");
document.oncontextmenu=new Function("return false");
onload=document._hiddenFrom._hiddenText.focus();