function slideLine(ul, delay, speed, lh) {
	var slideBox = (typeof ul == 'string')?document.getElementById(ul):ul;
	var delay = delay||500, speed=speed||20, lh = lh||20;
	var tid = null, pause = false;
	var start = function() {
		tid=setInterval(slide, speed);
	}
	var slide = function() {
		if (pause) return;
		slideBox.scrollTop += 2;	
		if (slideBox.scrollTop % lh == 0) {
			clearInterval(tid);
			slideBox.appendChild(slideBox.getElementsByTagName('li')[0]);
			slideBox.scrollTop = 0;
			setTimeout(start, delay);
		}
	}
	slideBox.onmouseover=function(){pause=true;}
	slideBox.onmouseout=function(){pause=false;}
	setTimeout(start, delay);
  }
 
 var number=6;

 function LMYC(number) {
var lbmc;
//var treePic;
    for (i=1;i<=number;i++) {
        lbmc = eval('LM' + i);
        //treePic = eval('treePic'+i);
        //treePic.src = 'images/file.gif';
        lbmc.style.display = 'none';
    }
}

function ShowFLT(i, number) {
    lbmc = eval('LM' + i);
    //treePic = eval('treePic' + i)
    if (lbmc.style.display == 'none') {
        LMYC(number);
        //treePic.src = 'images/nofile.gif';
        lbmc.style.display = '';
    }
    else {
        //treePic.src = 'images/file.gif';
        lbmc.style.display = 'none';
    }
}
function LMYY(number) {
    var lbmc;
    //var treePic;
    for (i = 1; i <= number; i++) {
        lbmc = eval('LY' + i);
        //treePic = eval('treePic'+i);
        //treePic.src = 'images/file.gif';
        lbmc.style.display = 'none';
    }
}

function ShowFLTY(i, number) {
    lbmc = eval('LY' + i);
    //treePic = eval('treePic' + i)
    if (lbmc.style.display == 'none') {
        LMYY(number);
        //treePic.src = 'images/nofile.gif';
        lbmc.style.display = '';
    }
    else {
        //treePic.src = 'images/file.gif';
        lbmc.style.display = 'none';
    }
}