function setFilterValueFromLogicDatabase(){
		var filter ="" ;
		if(lgTree){
			$(lgTree.getAllChecked().split(",")).each(function(i,item){		
				 if(lgTree.getUserData(item,'express')!=""){
					 if(filter!=""){
						filter = filter+" OR " ;
					 }
					 filter = filter+lgTree.getUserData(item,'express');
				 }
			});
			$("#f").val(filter);
			$("#tid").val(lgTree.getAllChecked());
		}
	}
	function logicDatabase(){
		setFilterValueFromLogicDatabase();
		$("#sort").hide();
	}
	function logicDatabaseSubmit(){
		logicDatabase() ;
		if($("#q").val()==""){
			$("#q").val("*:*") ;
		}
		$("#searchForm").submit();
	}
	function changeLogicDatabase(categoryid){
		doGet('${appPath}/logic.action?msg='+categoryid+"", "logic") ;
	}
	function changeLogicDatabase(categoryid , tid , start){
		doGet('${appPath}/logic.action?msg='+categoryid+'&tid='+tid+'&start='+start, "logic") ;
	}