function Check2()
	{
	    var len = trim(document.scorequery.XM.value).length;
	    var lena = trim(document.scorequery.BMXH.value).length;
	    var lenaa = trim(document.scorequery.SFZH.value).length;				
		 	
		if (trim(document.scorequery.XM.value) == "")
       {
        alert("姓名不能为空！");
	    document.scorequery.XM.focus();
        return false;
       }
	   
	    if (isNaN(trim(document.scorequery.BMXH.value))) 
	   {
	       alert("报名序号输入的不是数字！"); 
	       document.scorequery.BMXH.focus();
	        return false;
	   }
	   if(lena!=12)
	   {
	       alert("报名序号应该为12位数字！"); 
	       document.scorequery.BMXH.focus();
	       return false;
	   }
	   
	   
	    if (lenaa  !=15 && lenaa !=18  )
	   {
	       alert("身份证号应为15位或18位的数字！"); 
	       document.scorequery.SFZH.focus();
	       return false;
	   }

	    return true; 
	}
function trim(s){     
  return  s.replace(/^\s*(.*?)\s*$/ig,'$1'); 

 }  
 
 //去左空格;
 function ltrim(s)
{
  return s.replace(/(^s*)/g, "");
}
//去右空格;
function rtrim(s)
{
return s.replace(/(s*$)/g, "");
}