var currTimerlinePoint = 0;
var totalTimerlineFrames = 2;
var timerlineTimer;
var leftLine = 0;
var timerIn;
var timerOut;
var alphaNUM = 10;		//透明度叠加数
var pixelNUM = 1;		//坐标叠加数
var leftTime = 10;		//时间快慢
var alphaNum = 0;



var timerlineArray = new Array();
timerlineArray[0]='';
timerlineArray[1]='menuItemOut()';



function runTimerline()
{
//if (totalTimerlineFrames > currTimerlinePoint)
//  {
//  eval( timerlineArray[currTimerlinePoint]);
//  currTimerlinePoint ++;
//  }
//else {currTimerlinePoint = 0; clearTimeout(window.timerlineTimer); return false;}

//window.timerlineTimer = setTimeout('runTimerline()',1000);

window.timerlineTimer = setTimeout('menuItemOut()',300);

}

function stopTimerline()
{
clearTimeout(window.timerlineTimer);
//currTimerlinePoint = 0;
}
 

function menuItemIn()
{
	document.getElementById('promenu').style.display='block';
    if( leftLine < leftTime)
     {
		 for (var i = 1;i < 7; i++){
	 document.getElementById('item1'+i).style.pixelTop +=pixelNUM; 
	 document.getElementById('item1'+i).filters.alpha.opacity += alphaNUM;
	 }
     leftLine += 1;
	 }
  else 
     {
	 clearTimeout(window.timerIn);
     return false;
	 }
  timerIn=window.setTimeout('menuItemIn()',1);
}

function menuItemOut()
{ 
   clearTimeout(window.timerIn);
  if (leftLine > 0)
     {
	for (var i=1;i<7;i++){
      document.getElementById('item1'+i).style.pixelTop -= pixelNUM;
	  document.getElementById('item1'+i).filters.alpha.opacity -= alphaNUM;
	   }
      leftLine -= 1;
	  }
   else 
     {
	document.getElementById('promenu').style.display='none';
	 clearTimeout(window.timerOut);
     return false;
     }
  timerOut=window.setTimeout("menuItemOut()",1);
}