//检索提交
function searchform_onsubmit() {

	//检索频道范围
	var c1str=document.advsearchform.C2;
		
	var c1="";
         
        if(c1str.length>=1)
        {
            for (var i=0;i<c1str.length;i++){
		if (c1str[i].checked){
			if (c1=="")
                     	{
				c1=c1str[i].value;
			}
			else
                        {
				c1=c1+","+c1str[i].value;
			}
		}
	  }

        }
  
		//if (c1==""){
	//	alert("请选择检索范围!");
	//	return false;
	//}
	if(c1=="" || c1==null)
	{
		document.advsearchform.channelid.value="23511";
	}else
       {
       
	document.advsearchform.channelid.value=c1;

 
          } 
	//检索内容
	//var SQLTitle,SQLContent,SQL,Relation;
	var strkey=document.advsearchform.keyword.value;
	

     if(strkey=="")
	 {
		strkey="%";
	       
    }
 
		 var newSqlStr=""; 
         if(strkey !="" && strkey!=null)
         {
             var reg=new RegExp('([()\\[\\],/@=><!&\\——]+)','img');
			 var bHasConChar = reg.test(strkey);
		        if( bHasConChar ){

		        	alert("检索词中不能包含特殊运算符");
			        return false;
		        }
		       if(strkey.indexOf("+")==0 && strkey.length==1)
		       {
			       alert("检索词不能是特殊运算符");
			       return false;
	        	}
		
				
         }
    var chktitle=document.advsearchform.ChkTitle;
	var chkcontent=document.advsearchform.ChkContent;
	var str="";
    if(chktitle.checked && !chkcontent.checked)
	{

		str ="chnldesc/10,doctitle/5 +="+strkey;
	}
    if(chkcontent.checked && !chktitle.checked)
	{

		str ="chnldesc/10,doccontent/5 +="+strkey;
	}
	if(chkcontent.checked && chktitle.checked)
	{

		str ="chnldesc/10,doctitle/5,doccontent/3 +="+strkey;
	}
    
	SQLKeyword=SQL=Relation="";
	  //  if(document.advsearchform.keyword.value!="") {
		SQLKeyword=str;
	//}
		
     //排序
	
          var sort=document.advsearchform.sortWord.value;

          if(sort=="RELEVANCE")
          {
              document.advsearchform.sortfield.value="RELEVANCE";

          } else
          {
              document.advsearchform.sortfield.value="-docreltime,-crtime";

          }
	 

	 //时间判断
	 var dateradio=document.advsearchform.dateGroup;
	 var startime,endtime,TimeSQL;
	 if(dateradio[0].checked){
	 TimeSQL = "";
	 }
	 else if(dateradio[1].checked){
	 		var now=new Date();
			var pp=0;
			var kk=0;
			var seldate=document.advsearchform.selectdate;
			
			var selectNo=seldate.options[seldate.selectedIndex].value;
					pp=now.getTime()-selectNo*1000*60*60*24;
					kk=new Date(pp);
					startime=kk.getYear()+"."+(kk.getMonth()+1)+"."+kk.getDate();
					endtime=now.getYear()+"."+(now.getMonth()+1)+"."+now.getDate();
					TimeSQL = "DOCRELTIME="+startime+ " to "+endtime;
				
	 }
	 else{
	var  startime = document.getElementById("StartTime").value;
        if(startime.indexOf("年")>=0)
	{
			startime=startime.replace("年",".");
	}
	if(startime.indexOf("月")>=0)
	{
			startime=startime.replace("月",".");
	}
	if(startime.indexOf("日")>=0)
	{
			startime=startime.replace("日",".");
	}

          var endtime = document.getElementById("EndTime").value;
	if(endtime.indexOf("年")>=0)
	{
			endtime=endtime.replace("年",".");
	}
	if(endtime.indexOf("月")>=0)
	{
			endtime=endtime.replace("月",".");
	}
	if(endtime.indexOf("日")>=0)
	{
			endtime=endtime.replace("日",".");
	}        
            if(startime =='' || endtime =='' ){
            alert('日期不能为空');
　　　　　　　return false;
         }
         TimeSQL = "DOCRELTIME="+startime + " to "+endtime; 
	 }
	SQL= SQLKeyword;
	var Length=SQL.length;
	var hostIp =window.location.host;
	
	//SQL=SQL.substring(0,Length-4);
       
	if(TimeSQL=="" || TimeSQL==null){
	document.advsearchform.searchword.value=SQL;
	document.advsearchform.submit();
         return true;
	}
	else
	{
	document.advsearchform.searchword.value=SQL+" and "+TimeSQL;
	document.advsearchform.submit();
	return true;
	}
		
}
//-->