// JavaScript Document


 /**
  * 判断输入是否为空
  */
    function isNull(str){
 	if (str==null||trim(str)=='')
 		return true;
 	else
 		return false;
    }
 /**
  *将输入数据左右两边的空格截取掉
  */
 function trim(arg)
 {
    if(arg.length==0)return ''
    for(var i=0;i<arg.length;i++)
    {
        var onechar=arg.charAt(i);
        if(onechar!=' ') break;
    }
    arg=arg.substring(i,arg.length);
    if(arg.length==0)return '';
    for(var i=arg.length;i>0;i--)
    {
        var onechar=arg.charAt(i-1);
        if(onechar!=' ') break;
    }
    arg=arg.substring(0,i);
    return arg;
 }
 function formsubmit(oneword){ 
 	if(!isNull(oneword)){ 
 		FormSearch.keyword.value =oneword;
 	}
   	FormSearch.submit();
   }