function allCheck(form) {
	var name = form.name;	//姓名
	var identifier = form.identifier;//证件编号
	var email = form.email;//邮箱
	var tel = form.tel;//电话号码
	var title = form.title;//主题
	var content = form.content;//内容
	var time = form.time;//案发时间
	var occurAddress = form.occurAddress;//案发地址
	var password = form.password;//密码
	var code = form.code;//验证码
	var file = form.file;
	//提交和重置按钮
	var bnt = form.sb;
	var bnt2 = form.re;    
  
	//姓名
	if (name.value == "") {
		alert("\u8bf7\u8f93\u5165\u59d3\u540d");
		name.focus();
		return false;
	}
	
	//身份证
	if(identifier.value==""){
		alert("请输入身份证号码!");
		identifier.focus();
		return false;
	}
	
	//联系电话
	if (tel.value == "") {
		alert("\u8bf7\u8f93\u5165\u8054\u7cfb\u7535\u8bdd");
		tel.focus();
		return false;
	}
	
	//邮箱
	if(email.value!=""){
		var re = new RegExp(/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/g);
		if(!re.test(email.value))
			{ 
				alert("请正确输入您的 email 地址！");
				email.focus();
 				return false; 
			} 	
	}
	
	//标题
	if (title.value == "") {
		alert("\u8bf7\u8f93\u5165\u4e3b\u9898");
		title.focus();
		return false;
	}
	//内容
	if (content.value == "") {
		alert("\u8bf7\u8f93\u5165\u5185\u5bb9");
		content.focus();
		return false;
	}
	//如果内容大于2000的话,提示
	if(content.value.length>2000){
		alert('输入的内容不能大于2000个字,大于2000个字可以用附件的方式上传!');
		return false;
	}

	
	//案发时间
	if (time != null && (time.value == "")) {
		alert("\u8bf7\u8f93\u5165\u4e8b\u53d1\u65f6\u95f4");
		time.focus();
		return false;
	}
	//判断时间
	if(time != null && time.value !=""){
		var now = new Date();
		var timeValue = time.value;
		var year = timeValue.substring(0,4);
		var month = timeValue.substring(5,7);
		var date = timeValue.substring(8,10);
		var hh = timeValue.substring(11,13);
		var mm = timeValue.substring(14,16);
		//var ss = timeValue.substring(17,19);
		var select = new Date();
		//设置年月日
		select.setFullYear(parseInt(year),parseInt(month)-1,parseInt(date));
		//设置时分秒
		select.setHours(parseInt(hh),parseInt(mm),0);
		//alert(select.toLocaleString());
		//select.setMinutes(parseInt(mm));
		//select.setTime(parseInt(ss));
		if(select > now){
			alert('您选择的时是:'+select.toLocaleString()+'\n您电脑的当前时间是:'+now.toLocaleString()+'\n您选择的案发时间不能大于您电脑的当前时间!');
			time.focus();
			return false;
		}
		
	}
	
	//案发地址
	if (occurAddress != null && occurAddress.value == "") {
		alert("\u8bf7\u8f93\u5165\u4e8b\u53d1\u5730\u70b9");
		occurAddress.focus();
		return false;
	}
	
	//密码
	if (password.value == "") {
		alert("\u8bf7\u8f93\u5165\u5bc6\u7801");
		password.focus();
		return false;
	}
	//验证码
	if(code.value== ""){
		alert("请输入验证码!");
		return false;
		
	}
	
	//文件后缀验证
	if(file.value!=""){
		if( chkfilesuffex(file.value)==0){
 				alert("文件类型必须为.jpg,.gif,.jpeg,.bmp,.doc,.xls,.zip,.rar,.txt,.mp3,.mp4,.avi,.wma,.rmvb,.wmv,.rm,.mpg!");
 				file.focus();
 				return false;
 		}else{
 			return true;
 		}
		
	}
	//防止同一时刻多次提交
	bnt.disabled = true;
	bnt2.disabled = true;
	return true;
}




//校验内容是否超长
function checkContent(vu){
	//如果内容大于2000的话,提示
	if(vu.value.length>2000){
		alert('输入的内容不能大于2000个字,大于2000个字可以用附件的方式上传!');
		vu.focus();//聚焦到输入内容
	}
}

//输入框过滤中文,只让输入数字和英文
function filteronkeyZH(vu){
	vu.value=vu.value.replace(/[\W]/g,'');
}
//过滤输入框,只让输入数字
function filteronkeyNU(vu){
	vu.value=vu.value.replace(/[^\d]/g,'')
}
//过滤输入框,只让输入数字和','字符
function filterondkeyTel(vu){
	vu.value = vu.value.replace(/[^\d,]/g,'');
}
//复制时过滤中文
function filteronbeforepasteZH(){
	clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''));
}
//动态改变验证码图片
function changeCode(){
	 var pic = document.getElementById('random');
	 var now = new Date();
	 var src = pic.src;
	 var end =src.indexOf('.jsp')+4;
	 src = src.substring(0,end)+"?rand="+now.getMilliseconds();
	 pic.src = src;
}

function chkfilesuffex(str){
	 var flag = 0;
	if(str=="")return 1;
	str = str.substring(str.lastIndexOf("."));
	var  s = new Array(".jpg",".gif",".jpeg",".bmp",".doc",".xls",".zip",".rar",".txt",".mp3",".wma",".mp4",".avi",".rmvb",".wmv",".rm",".mpg");
	for(var i=0;i<s.length;i++)
		if(str.toLowerCase() == s[i])
			flag = 1;
	return flag;
}


//防止同一时刻多次提交
   function  disable(){ 
     var bnt = document.getElementById('sb');
     var bnt2 = document.getElementById('re');
     var form = document.getElementById('case');
     bnt.disabled = true;
     bnt2.disabled = true;
     form.submit();//提交
     
}