// JScript 文件

function $(id) { return document.getElementById(id); }
function addLoadEvent(func){
 var oldonload = window.onload;
 if (typeof window.onload != 'function') 
 {
  window.onload = func;
 } else 
 {
  window.onload = function(){
   oldonload();
   func();
  }
 }
}
function moveElement(elementID,final_x,final_y,interval) {
  if (!document.getElementById) return false;
  if (!document.getElementById(elementID)) return false;
  var elem = document.getElementById(elementID);
  if (elem.movement) {
    clearTimeout(elem.movement);
  }
  if (!elem.style.left) {
    elem.style.left = "0px";
  }
  if (!elem.style.top) {
    elem.style.top = "0px";
  }
  var xpos = parseInt(elem.style.left);
  var ypos = parseInt(elem.style.top);
  if (xpos == final_x  &&  ypos == final_y) {
  return true;
  }
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/10);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/10);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/10);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/10);
    ypos = ypos - dist;
  }
  elem.style.left = xpos + "px";
  elem.style.top = ypos + "px";
  var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
  elem.movement = setTimeout(repeat,interval);
}
function classNormal(iFocusBtnID,iFocusTxID){
 var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
 var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
 for(var i=0; i<iFocusBtns.length; i++) {
  iFocusBtns[i].className='normal';
  iFocusTxs[i].className='normal';
  document.getElementById("Sm"+i).style.color="black";
 }
}
function classCurrent(iFocusBtnID,iFocusTxID,n){
 var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
 var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
 iFocusBtns[n].className='current';
 iFocusTxs[n].className='current';
 document.getElementById("Sm"+n).style.color="red";
}
function iFocusChange() 
{
  if(!$('ifocus')) return false;
  $('ifocus').onmouseover = function(){atuokey = true};
  $('ifocus').onmouseout = function(){atuokey = false};
  var iFocusBtns = $('ifocus_btn').getElementsByTagName('li');
  var listLength = iFocusBtns.length;
  iFocusBtns[0].onmouseover = function() {
  moveElement('ifocus_piclist',0,0,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',0);
 }

   if (listLength>=2) 
   {  
      iFocusBtns[1].onmouseover = function() 
      {
       moveElement('ifocus_piclist',0,-200,5);
       classNormal('ifocus_btn','ifocus_tx');
       classCurrent('ifocus_btn','ifocus_tx',1);
      }
    }
    if (listLength>=3) 
    {
     iFocusBtns[2].onmouseover = function() 
     {
      moveElement('ifocus_piclist',0,-405,5);
      classNormal('ifocus_btn','ifocus_tx');
      classCurrent('ifocus_btn','ifocus_tx',2);
      }
    }
    if (listLength>=4) 
    {
      iFocusBtns[3].onmouseover = function()
      {
      moveElement('ifocus_piclist',0,-610,5);
      classNormal('ifocus_btn','ifocus_tx');
      classCurrent('ifocus_btn','ifocus_tx',3);
       }
     }
/*下面是新加的*/
    if (listLength>=5) 
    {
      iFocusBtns[4].onmouseover = function()
      {
      moveElement('ifocus_piclist',0,-815,5);
      classNormal('ifocus_btn','ifocus_tx');
      classCurrent('ifocus_btn','ifocus_tx',4);
       }
     }
     
}
setInterval('autoiFocus()',4000);
var atuokey = false;
function autoiFocus() {
 if(!$('ifocus')) return false;
 if(atuokey) return false;
 var focusBtnList = $('ifocus_btn').getElementsByTagName('li');
 var listLength = focusBtnList.length;
 for(var i=0; i<listLength; i++) 
 {
  if (focusBtnList[i].className == 'current') var currentNum = i;
 }
    if (currentNum==0  && listLength!=1 )
    {
      moveElement('ifocus_piclist',0,-200,5);
      classNormal('ifocus_btn','ifocus_tx');
      classCurrent('ifocus_btn','ifocus_tx',1);
    }
    if (currentNum==1 && listLength!=2 )
    {
     moveElement('ifocus_piclist',0,-405,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',2);
    }
    if (currentNum==2 && listLength!=3)
    {
     moveElement('ifocus_piclist',0,-610,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',3);
    }
    if (currentNum==3 && listLength!=4)
    {
     moveElement('ifocus_piclist',0,-815,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',4);
    }
      if (currentNum==4)
    {
     moveElement('ifocus_piclist',0,0,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',0);
    }
/****************************************************************8*/

    if (currentNum==1 && listLength==2 )
    {
     moveElement('ifocus_piclist',0,0,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',0);
    }
    if (currentNum==2 && listLength==3 )
    {
     moveElement('ifocus_piclist',0,0,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',0);
    }
    if (currentNum==3 && listLength==4 )
    {
     moveElement('ifocus_piclist',0,0,5);
     classNormal('ifocus_btn','ifocus_tx');
     classCurrent('ifocus_btn','ifocus_tx',0);
    }
}
addLoadEvent(iFocusChange);
/////////////////////////////////////////////////////////////////////////////////////////

function MoveImage(ImgD,IW,IH)
        {	
        var H;
        var W;
        var width=IW;
        var height=IH;

        var  image=new  Image();  
        image.src=ImgD.src;
        if(image.width>0  &&  image.height>0)
        {  
        if (image.width>IW || image.height>IH)
        {

	        if(IW/image.width*image.height>IH)
	        {
		        ImgD.height=IH;
		        ImgD.width=IH/image.height*image.width;
            } 
            else 
            {
                ImgD.width=IW;
                ImgD.height=IW/image.width*image.height;
            }  
            
        }	
        } 
        }