function formsubmit()
{

             alert("请先登录,只支持收费会员!");
			 location.href='login.asp';
			 return false;

	if (document.form1.textfield32.value.length==0)
	{
		alert("请输入关键词！");
		document.form1.textfield32.focus();
		return false;
	}
	
	var keyword=document.form1.textfield32.value;
	var str="";
	
	if ((document.form1.select2.value=="申请日") || (document.form1.select2.value=="公开（公告）日"))
	{  str=document.form1.select2.value + "=" + keyword;}
	else if ((document.form1.select2.value=="发明（设计）人") || (document.form1.select2.value=="申请（专利权）人") || (document.form1.select2.value=="名称") || (document.form1.select2.value=="摘要"))
	{  
		//while (keyword.indexof("%")!=-1)
		//{
		//	keyword=keyword.replace("%","");
		//}

		//while (keyword.indexof("％")!=-1)
		//{
		//	keyword=keyword.replace("％","");
		//}

		str=document.form1.select2.value + "='" + keyword + "'";
	}
	else
	{
	keyword=keyword.replace("zl","cn");
	keyword=keyword.replace("zl","cn");
	keyword=keyword.replace(" ","");
	keyword=keyword.replace("　","");
	str=document.form1.select2.value + "='%" + keyword + "%'";}
		str=str.replace("/","\\/");
        str=str.replace("-","\\-");  
        
        if (str.length==0)
        {    str="";}
         
        if(str=="")
        {
             alert("检索条件不能为空");
             return false;
        }
        
        document.form1.searchword.value=str;
        
	return true;
}

function trim(s){
    var ifirst = 0;
    var ilast = s.length - 1;
    var strimchars = ' \t';
    while ( (ifirst < ilast) && (strimchars.indexof(s.charat(ifirst)) != -1) ) ifirst++;
    while ( (ilast >= ifirst) && (strimchars.indexof(s.charat(ilast)) != -1) ) ilast--;
    return s.substring(ifirst, ilast + 1);
}

function split_key(wuqj,field)
{
	var arr=wuqj.split(" ");
	var i=0;
	var strwuqj1="",strwuqj2="";
	for(i=0;i<arr.length;i++){
		strwuqj1=trim(arr[i]);
		if(strwuqj1.length>0){
			if(strwuqj2.length==0){
				strwuqj2=strwuqj1;
			}else{
				strwuqj2=strwuqj2+"#"+strwuqj1;
			}
		}
	}

	arr=strwuqj2.split("#");
	//strwuqj1=document.fieldsearchform.iftitle.value;
	strwuqj2="";
	for(i=0;i<arr.length;i++){
		if(strwuqj2.length==0){
			strwuqj2=field+"="+arr[i] + " and ";
		}else{
			strwuqj2=strwuqj2 + field+"="+arr[i] + " and ";
		}
	}
	return strwuqj2;
}	
function searchform_onsubmit() 
{
  var wuqj="";
  wuqj=document.searchform1.keywords.value;
  if(wuqj=="")
  {
    alert("检索词不能为空!");
    return false;
  }
  wuqj=trim(wuqj);
  var myword=split_key(wuqj,"doccontent");

	var	length=myword.length;
	myword=myword.substring(0,length-4);
	document.searchform1.searchword.value=myword;
  //alert(myword);

  return true;
}
function change_1(){
if (document.searchfind.keywords.value==""){
alert("请输入关键词！");
return false;
}
if (document.searchfind.types.value==""){
alert("请选择栏目！");
return false;
}
}