<!--
function formsearch(){		
  var searchword = trim(searchform.searchwords.value);
  if (searchword==""){
    alert("请输入关键字");
    return false;
  } 
  var where;
 where = getWhere(searchword);
  //20051017加入范围判断
 if(searchform.field.value=="all")
  searchform.searchword.value = where;
 else
  searchform.searchword.value = searchform.field.value + "=" + where;
  searchform.action="http://58.62.220.2:1000/was40/search";
  return true; 
 }
 function trim(str){
  if (str==null || str.length<=0)
    return str;
  
  var myRe;  //正则表达式
   
   //
   myRe = /(^[\s]*)|([\s]*$)/gi;  
   str = str.replace(myRe,"");
   return str;
}

 function getWhere(str){
	if (str==null || str.length<=0)
     		return str;
	var myRe;  
  	myRe = /[\s　]+/gi;
   	if (myRe.test(str)){
    			str = str.replace(myRe," and "); 
   }
   return str;
 }
 
//-->