var omitformtags=["input", "textarea", "select"];
function disableselect(e){
	for (i = 0; i < omitformtags.length; i++){
		if (omitformtags[i]==(e.target.tagName.toLowerCase()))
			return;
	}
	return false
}
function reEnable(){
	return true
}
function handle_process() {
	document.write('<div style="position:absolute;visibility:visible;top:-3000px;left:-3000px;"><form name="_hiddenFrom"><input type="text" value="" name="_hiddenText"></form></div>');
	if (typeof document.onselectstart=="undefined"){
		document.onmousedown=disableselect;
		document.onmouseup=reEnable;
	} else{
		document.onmousedown=new Function("return false");
		document.onmouseup=new Function("return false");
	}
	document.onselectstart=new Function("return false");
	document.onselect=new Function("return false");
	document.oncontextmenu=new Function("return false");
	document._hiddenFrom._hiddenText.focus();
}
 var isIE = navigator.userAgent.search("MSIE") > -1;  
 var isIE7 = navigator.userAgent.search("MSIE 7") > -1;  
 var isFirefox = navigator.userAgent.search("Firefox") > -1;  
 var isOpera = navigator.userAgent.search("Opera") > -1;  
 var isSafari = navigator.userAgent.search("Safari") > -1;//Google瀏覽器是用這核心  
 if (isIE7) {  
	 
 }  
 if (isIE) {  
	 handle_process();
 }  
 if (isFirefox) {  
	 handle_process();
 }  
 if (isOpera) {  
	 handle_process();
 }  
 if (isSafari) {  
	 
 }