// JavaScript Document

		function checkadd()
		{
		 if (document.SendForm.title.value=='')
		 {alert('您的问题主题不能为空');
		 document.SendForm.title.focus();
		 return false;
		 }
		 if (document.SendForm.name.value=='')
		 {alert('您的姓名不能为空');
		 document.SendForm.name.focus();
		 return false;
		 }
		 if (document.SendForm.email.value=='')
		 {alert('您的Email不能为空');
		 document.SendForm.email.focus();
		 return false;
		 }
		 if (document.SendForm.Sub.value=='')
		 {alert('单位地址不能为空');
		 document.SendForm.Sub.focus();
		 return false;
		 }

		 if (document.SendForm.content.value=='')
		 {alert('反馈内容不能为空');
		 document.SendForm.content.focus();
		 return false;
		 }
		}

		function checksearch(theform){  
		if (theform.searchstr.value=="")
		{  alert('请输入关键字');
			theform.searchstr.focus();
			theform.searchstr.value='';
			return false
		}
		if (theform.searchstr.value=='请输入关键字')
		{  alert('请输入关键字');
			theform.searchstr.focus();
			theform.searchstr.value='';
			return false
		}
	
		}