//密码输入确认
function passwordConfirm(objID1,objID2){
	if ($('#'+objID1).val() !== $('#'+objID2).val()){
		alert('密码不一致，请重填');
		return false;
	}
	return true;
}

//js时间戳格式化成日期格式
function dateformat(timestamp,chinese){
	if (!timestamp){
		datetime = new Date().toLocaleString();
	}else{
		datetime = new Date(parseInt(timestamp)*1000).toLocaleString();
	}
	if (!chinese){
		return datetime.replace(/年|月/g, '-').replace(/日/g, '');
	}
	return datetime;
}

//打开新窗口
function newWindow(url){
	if (0 > navigator.appName.indexOf('Netscape')){
		if (0 == $('#newWindow').size()){
			$('body').append('<a href="" target="_blank" id="newWindow"></a>');
		}
		document.getElementById('newWindow').href = url;
		document.getElementById('newWindow').click();
	}else{
		window.open(url);
	}
}

//表格全选反选
function checkall(obj){
	checkboxs = $(obj).parents('table').eq(0).find('input:checkbox');
	for (i in checkboxs){
		checkboxs.get(i).checked=obj.checked;
	}
}
//表格同行全选
trcheck = function(obj){
	checkboxs = $(obj).parents('tr').eq(0).find('input:checkbox');
	for (i in checkboxs){
		checkboxs.get(i).checked=obj.checked;
	}
}
//检查是否已经有选择项
function checkedor(strFormId,strAlert){
	if (0 == $('#'+strFormId).find('input:checkbox:checked[name]:not([name=""])').length){
		alert(strAlert||"尚未选择任何一条记录");
		return false;
	}
	return true;
}

//按下空格时等价于点击行为
pressspace = function(event){
	key = window.event?event.keyCode:event.which;
	obj = event.srcElement||event.target;
	if (32 == key) obj.click();
}

// JS产生随机字符串
function randStr(len,format){
	if (!len) len = 6;
	if (!format) format = 'ALL';
	switch (format) {
		case 'ALL' :
			chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
			break;
		case 'CHAR' :
			chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
			break;
		case 'NUMBER' :
			chars = '0123456789';
			break;
		default :
			chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
			break;
	}
	string = "";
	while ( string.length < len )
		string += chars.substr((Number(String(Math.random()).substr(2)) % chars.length),1);
	return string;
}

//复制到剪贴板
function copyToClipboard(txt) {
	if (window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData("Text", txt);
		//alert("复制成功！")
		return true;
	} else if (navigator.userAgent.indexOf("Opera") != -1) {
		window.location = txt;
	} else if (window.netscape) {
		try {
			netscape.security.PrivilegeManager
					.enablePrivilege("UniversalXPConnect");
		} catch (e) {
			alert("被浏览器拒绝！\n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'");
			return false;
		}
		var clip = Components.classes['@mozilla.org/widget/clipboard;1']
				.createInstance(Components.interfaces.nsIClipboard);
		if (!clip)
			return false;
		var trans = Components.classes['@mozilla.org/widget/transferable;1']
				.createInstance(Components.interfaces.nsITransferable);
		if (!trans)
			return false;
		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);
		var copytext = txt;
		str.data = copytext;
		trans.setTransferData("text/unicode", str, copytext.length * 2);
		var clipid = Components.interfaces.nsIClipboard;
		if (!clip)
			return false;
		clip.setData(trans, null, clipid.kGlobalClipboard);
		//alert("复制成功！");
		return true;
	}
}

//插入脚本，异步方式
function addscript(scriptUrl){
	scriptUrls = [];
	if ('string' === typeof scriptUrl){
		scriptUrls.push(scriptUrl);
	}else{
		scriptUrls = scriptUrl;
	}
	
	scriptDoms = [];
	if ('number' === typeof scriptUrls.length && 0 < scriptUrls.length){
		for (i in scriptUrls){
			if ('string' !== typeof scriptUrls[i]) continue;
			scriptDom = document.createElement('script');
			scriptDom.type = 'text/javascript';
			scriptDom.src = scriptUrls[i];
			scriptDoms.push(scriptDom);
		}
	}else{
		return false;
	}
	
	if (0 < scriptDoms.length){
		if (0 < (o = document.getElementsByTagName('script')).length){
			o = o[0].parentNode;
		}else if (0 < (o = document.getElementsByTagName('head')).length){
			o = o[0];
		}else if (0 < (o = document.getElementsByTagName('html')).length){
			o = o[0];
		}else{
			return false;
		}
		scriptAdd = 0;
		
		for (i in scriptDoms){
			o.appendChild(scriptDoms[i]);
			scriptAdd++;
		}
		return scriptAdd;
	}else{
		return false;
	}
	return false;
}