function LTrim(s)
												{
												    for(var i=0;i<s.length;i++)
												        if(s.charAt(i)!=' ')
												         return s.substring(i,s.length);
												     return "";
												}
												
												function RTrim(s)
												{
												    for(var i=s.length-1;i>=0;i--)
												        if(s.charAt(i)!=' ')
												            return s.substring(0,i+1);
												        return "";
												}
												
												function Trim(s)
												{
												    return RTrim(LTrim(s));
												}
												
												function notice(s)
												{
													alert(s);
													document.form1.keyword.focus();
													return false;
												}
												function getsearchword1()
												{
													var _keyword = document.form1.keyword.value;
													_keyword = Trim(_keyword);
													var _kwArray = _keyword.split(" ");
													var _searchword = "";
													var _sword = "";
													for(var i=0;i<_kwArray.length;i++)
													{
														if(Trim(_kwArray[i])!="")
														{
															if(i==0)
															{
																_searchword = Trim(_kwArray[0]);
															}
															else
															{
																_searchword = _searchword + " " + Trim(_kwArray[i]);
															}
														}
													}
													document.form1.query.value=_searchword;
												}

												function getsearchword()
												{
													var _keyword = document.form1.keyword.value;
													_keyword = Trim(_keyword);
													var _kwArray = _keyword.split(" ");
													var _searchword = "";
													var _sword = "";
													for(var i=0;i<_kwArray.length;i++)
													{
														if(i==0)
														{
															_searchword = Trim(_kwArray[0]);
														}
														else
														{
															_searchword = _searchword + "*" + Trim(_kwArray[i]);
														}
													}
													if(_searchword != "")
													{
														_searchword = "SEARCHVALUE=$^~" + _searchword + "$^~";
													}
													document.form1.searchword.value=_searchword;
												}
												function submitsearch()
												{
													
													var _keyword = Trim(document.form1.keyword.value);
													if(document.form1.channelid.value!="10000")
													{
														if(_keyword.length>0)
														{
															if(_keyword.indexOf("+")>=0)
															{
																return notice("检索词中不能含有关键字'+'");
															}
															else if(_keyword.indexOf("*")>=0)
															{
																return notice("检索词中不能含有关键字'*'");
															}
															else if(_keyword.indexOf("-")>=0)
															{
																return notice("检索词中不能含有关键字'-'");
															}
														}
														else
														{
																return notice("检索词不能为空");
														}
														if(document.form1.channelid.value=="3001"||document.form1.channelid.value=="3002")
														{
																document.form1.action="http://sousuo.gov.cn/topsortsearch";
														}
														else
														{
																document.form1.action="http://sousuo.gov.cn/search";
														}
														if(document.form1.channelid.value=="3006")
														{
															document.form1.prepage.value="8";
														}
														else
														{
															document.form1.prepage.value="10";
														}
														getsearchword();
													}
													else
													{
															if(_keyword.length==0)
															{
																alert("检索词不能为空");
																return false;
															}
															else if(_keyword=="+"||_keyword=="-"||_keyword=="*")
															{
																alert("检索词不能含有"+_keyword+"号");
																return false;
															}
															else
															{																
																getsearchword1();
																document.form1.action="http://sousuo.gov.cn:85/gw_lh/united/js/lh_outline.jsp";
																return true;
															}
													}
												}