// JavaScript Document
function CheckEmpty(Field, FieldTitle) 
{ 

    if (Field.value == "") 
    
	{
	alert("请输入" + FieldTitle ); Field.focus(); return false; 
	} 
	
	return true;

}



  function   thissubmit()
  
  {   
  if (!CheckEmpty(form2.keyword, "查询内容"))						return false;
   
  }    
  
  
  
  
  function   thissubmit2()
  
  {   
  if (!CheckEmpty(form3.keyword, "查询内容"))						return false;
  
  return   true;   

  
  }