addLoadEvent = function(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
};
function copyLink(){
	try{
		var cText=document.location.toString();
		if(window.clipboardData){
			window.clipboardData.setData("Text",cText);
			alert("复制完成!");
		}else if(window.netscape){
			try{
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			}catch(e){
				alert("您的浏览器设置为不允许复制！\n如果需要此操作，请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true',再重试复制操作!");
				return false;
			}
			var clip=Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
			if(!clip)return;
			var trans=Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
			if(!trans){return;}
			trans.addDataFlavor('text/unicode');
			var str=new Object();
			var len=new Object();
			var str=Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
			str.data=cText;
			trans.setTransferData("text/unicode",str,cText.length*2);
			var clipid=Components.interfaces.nsIClipboard;
			if(!clip)return false;
			clip.setData(trans,null,clipid.kGlobalClipboard);
			alert("复制完成!");
		}
	}catch(e){}
};
function setSize(id, size){
	$(id).setStyle({fontSize:size+'px'});
}