<!--
 function userlogin(form)
 {
	var userid=form.userid.value;
	if(userid=="")
	{
		 alert("请输入用户名!");
		 form.userid.focus();
		 return false;
	}		 
	
	 var passcode=form.passcode.value;	
	 if(passcode=="")
	 {
		 alert("请输入密码!");
		 form.passcode.focus();
		 return false;
	 }
	 form.submit();
 }
  
 function SearchPlane(form)
 {
 var line=trim(form.line.value,0);
 var offCity=trim(form.offCity.value,0);
 var landCity=trim(form.landCity.value,0);
 var offCity2=trim(form.offCity2.value,0);
 var landCity2=trim(form.landCity2.value,0);
 if((offCity=="")&&(landCity==""))
 {
	 offCity=offCity2;
	 landCity=landCity2;
 }
	if (CheckPlane())
	{		
		form.Off_City.value=offCity;
 		form.Land_City.value=landCity;
		form.target='_blank';
		form.submit();
		
	}
 }
 
 function SearchTrain()
 {
 var ChuFa=trim( document.frmTrain.txtChuFa.value,0);
 var DaoDa=trim( document.frmTrain.txtDaoDa.value,0);
 var CheZhan=trim(document.frmTrain.txtCheZhan.value,0);
 var CheCi=trim(document.frmTrain.txtCheCi.value,0);
  if (CheckTrain())
  {
  	  document.frmTrain.Chu_Fa.value=ChuFa;
  	  document.frmTrain.Dao_Da.value=DaoDa;
  	  document.frmTrain.Che_Zhan.value=CheZhan;   
  	  document.frmTrain.Che_Ci.value=CheCi;  
	  document.frmTrain.target='_blank';
	  document.frmTrain.submit();
  }
 }

 function StayPlane(str)
 {
	switch(str)
	{
		case "line":
		
			document.frmPlane.offCity.value="";
			document.frmPlane.landCity.value="";
			document.frmPlane.offCity2.value="";
			document.frmPlane.landCity2.value="";			
			break;
		case "City":			
			document.frmPlane.line.value="";
			document.frmPlane.offCity2.value="";
			document.frmPlane.landCity2.value="";		
			break;
		case "offCity":			
			document.frmPlane.line.value="";
			document.frmPlane.offCity.value="";
			document.frmPlane.landCity.value="";						
			break;
		case "landCity":			
			document.frmPlane.line.value="";
			document.frmPlane.offCity.value="";
			document.frmPlane.landCity.value="";						
			break;
	}	
}
  
  function StayTrain(str)
  {	
	switch(str)
	{
		case "Zhan":			
			document.frmTrain.txtCheCi.value="";
			document.frmTrain.txtCheZhan.value="";			
			break;
		case "CheCi":		
			document.frmTrain.txtChuFa.value="";
			document.frmTrain.txtDaoDa.value="";
			document.frmTrain.txtCheZhan.value="";		
			break;
		case "CheZhan":			
			document.frmTrain.txtChuFa.value="";
			document.frmTrain.txtDaoDa.value="";
			document.frmTrain.txtCheCi.value="";		
			break;
	 }	
 }	
 
 function CheckPlane()
{
	if(trim(document.frmPlane.offCity.value,0)!=""&&trim(document.frmPlane.landCity.value,0)=="")
	{
		alert("请输入到达地!");
		document.frmPlane.landCity.value="";
		document.frmPlane.landCity.focus();
		return false;
	}
	if(trim(document.frmPlane.landCity.value,0)!=""&&trim(document.frmPlane.offCity.value,0)=="")
	{
		alert("请输入出发地!");
		document.frmPlane.offCity.value="";
		document.frmPlane.offCity.focus();
		return false;
	}
	if(trim(document.frmPlane.offCity.value,0)==""&&trim(document.frmPlane.landCity.value,0)==""&&trim(document.frmPlane.line.value,0)==""&&trim(document.frmPlane.offCity2.value,0)==""&&trim(document.frmPlane.landCity2.value,0)=="")
	{
		alert("请输入查询条件!");
		document.frmPlane.line.value="";
		document.frmPlane.line.focus();
		return false;
	}
	return true;
}

function CheckTrain()
{
	if(trim(document.frmTrain.txtChuFa.value,0)!=""&&trim(document.frmTrain.txtDaoDa.value,0)=="")
	{
		alert("请输入到达地!");		
		document.frmTrain.txtDaoDa.value="";
		document.frmTrain.txtDaoDa.focus();
		return false;
	}
	if(trim(document.frmTrain.txtDaoDa.value,0)!=""&&trim(document.frmTrain.txtChuFa.value,0)=="")
	{
		alert("请输入出发地!");		
		document.frmTrain.txtChuFa.value="";
		document.frmTrain.txtChuFa.focus();
		return false;
	}
	if(trim(document.frmTrain.txtCheCi.value,0)==""&&trim(document.frmTrain.txtChuFa.value,0)==""&&trim(document.frmTrain.txtCheZhan.value,0)==""&&trim(document.frmTrain.txtDaoDa.value,0)=="")
	{
		alert("请输入查询条件!");
		document.frmTrain.txtChuFa.value="";
		document.frmTrain.txtChuFa.focus();
		return false;
	}
	return true;
}

function SearchKeywords(form)
{
	var title=escape(trim(form.Title.value));
	var action=trim(form.Type.value);
	if(action=="")
	{
		alert("请选择栏目!");
		form.Type.focus();
		return false;
	}
	else if(title=="")
	{
		alert("请输入标题!");
		form.Title.focus();
		return false;
	}
	else
	{		
		document.location=action+"?title="+title;
	}
}

function high(which2){
theobject=which2;
highlighting=setInterval("highlightit(theobject)",50);
}
function low(which2){
clearInterval(highlighting);
which2.filters.alpha.opacity=70;
}


function highlightit(cur2){
if (cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=3;
else if (window.highlighting)
clearInterval(highlighting);
}


/**********************************/
/******       截取空格       ******/
/**********************************/ 
function trim(str){
    	var i = 0;
        while ((i < str.length)&&((str.charAt(i) == " ")||(str.charAt(i) == "　"))){i++;}
    	var j = str.length-1;
    	while ((j >= 0)&&((str.charAt(j) == " ")||(str.charAt(j) == "　"))){j--;}
    	if( i > j ) 
    		return "";
    	else
    		return str.substring(i,j+1);
}

function isNum(str){
	var reg=/^\d+$/;
	return reg.test(str);
}

//-->