function insert(){
			//alert("sssss--"+document.getElementById("content").value.length);
		    var phone = document.getElementById("phone");
		    var content = document.getElementById("content");
			if(document.getElementById("name").value==""){
				alert('姓名不能为空');
				document.getElementById("name").focus(); 
				return false;
				}
				if( /<|>|'|&|,|97|110|100|111|114|94|65292|60|62|39|and|or|#|'/.test(content)){
         
        	alert("内容项输入内容包含非法特殊字符！请重新输入！");
        	document.getElementById("content").value="";
	        document.getElementById("content").focus();
        	return false;
        }  
			var name = document.getElementById("name").value;
			name = name.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  ");
	        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(name)){
	        	alert("输入有误！请重新输入！");
	        	document.getElementById("name").value="";
	        	document.getElementById("name").focus();
	        	return false;
	        }
          if( /<|>|'|&|,|97|110|100|111|114|94|65292|60|62|39|and|or|#|'/.test(name)){
         
        	alert("关键字项输入内容包含非法特殊字符！请重新输入！");
        	document.getElementById("name").value="";
	        document.getElementById("name").focus();
        	return false;
        }  
			if(document.getElementById("email").value==""){
				alert('电子邮箱不能为空');
				document.getElementById("email").focus(); 
				return false;
				}
				
			var returnCheck = checkEmail(document.getElementById("email").value);
			if(returnCheck==true){
				document.getElementById("email").focus(); 
				return false;
			}
			
		function checkEmail(el)   
			  {   
		        var regu="^(([0-9a-zA-Z]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|NET|com|COM|gov|GOV|mil|MIL|org|ORG|edu|EDU|int|INT)$"       
		        var re = new RegExp(regu); 
		        
                   if(el.search(re)== -1){
                   	alert("请输入合法的电子邮箱");  
                     	return true;   //非法   
                     }
		        return false;//正确
			  } 
			  
			if(document.getElementById("address").value==""){
				alert('联系地址不能为空');
				document.getElementById("address").focus(); 
				return false;
				}
			
			var address = document.getElementById("address").value;
			//alert(address);
			address = address.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  ");
	        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(address)){
	        	alert("输入有误！请重新输入！");
	        	document.getElementById("address").value="";
	        	document.getElementById("address").focus();
	        	return false;
	        }
			

			if(document.getElementById("phone").value==""){
				alert('联系电话不能为空');
				document.getElementById("phone").focus(); 
				return false;
				}
			if(phone.value.length>13||phone.value.length<7)
         	{
	            alert("请输入7-13的合法的电话号码");
	            phone.focus();
	            return false;
         	}	
			if(document.getElementById("title").value==""){
				alert('标题不能为空');
				document.getElementById("title").focus(); 
				return false;
				}
			var title = document.getElementById("title").value;
			title = title.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  ");
	        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(title)){
	        	alert("输入有误！请重新输入！");
	        	document.getElementById("title").value="";
	        	document.getElementById("title").focus();
	        	return false;
	        }
	        if( /<|>|'|&|,|97|110|100|111|114|94|65292|60|62|39|and|or|#|'/.test(title)){
         
        	alert("关键字项输入内容包含非法特殊字符！请重新输入！");
        	document.getElementById("title").value="";
	        document.getElementById("title").focus();
        	return false;
        }  
			if(document.getElementById("title").value.length>100){
				alert('标题输入的字数不得超过100,请精简后再提交!');
				document.getElementById("title").focus(); 
				return false;
				}
			if(content.value==""){
				alert("请输入内容");
				content.focus();
				return false;
			}
			if(document.getElementById("content").value.length>2500){
				alert('输入的字数不得超过2500,请精简后再提交!');
				document.getElementById("content").focus(); 
				return false;
			}
			if(document.getElementById("validtor").value==""){
				alert('请输入验证码');
				document.getElementById("validtor").focus(); 
				return false;
				}	
			document.getElementById("status").value="submit";
			var form1 = document.getElementById("szxxForm");
			form1.submit();
		
			
		}
		
		function clearDate(){
		
		 var name = document.getElementById("name");
         var email = document.getElementById("email");
         var address = document.getElementById("address");
         var phone = document.getElementById("phone");
         var title = document.getElementById("title");
         var content = document.getElementById("content");
         var validtor=document.getElementById("validtor");

         name.value="";
         email.value="";
         address.value="";
         phone.value="";
         title.value="";
         content.value="";
         validtor.value="";
		}