var preloadImages = new Array();
var maxID = 4;
var preID = 0;
var currentID = 0;
var slideProcess = 1;
var slideTime = 2000;
var objTimer;
var preloadImages = new Array();
var preloadImagesLink = new Array();
var preloadButtonOff = new Array();
var preloadButtonOn = new Array();

//·Ñ¹è³Ê ÃʱâÈ­
function slideInit(targetImages) {
   for(var i =0; i < targetImages.length; i++) {
      preloadImages[i] = new Image();
      preloadButtonOn[i] = new Image();
      preloadButtonOff[i] = new Image();

      preloadImages[i].src = targetImages[i][0];
      preloadImagesLink[i] = targetImages[i][1];
      preloadImages[i].alt = targetImages[i][2];

      preloadButtonOff[i].src = '/temp/images/right_ele_btn' + i + '_off.gif';
      preloadButtonOn[i].src = '/temp/images/right_ele_btn' + i + '_on.gif';
   }
   maxID = targetImages.length - 1;
   objTimer = setInterval(function(){slideShow()}, slideTime);
}
//À̹ÌÁö°¡ ¾øÀ»¶§
function roll_noImage(targetImages) {
   document.getElementById('right_banner_cont').innerHTML = targetImages;
}

//½Ã°£¿¡ µû¶ó ·Ñ¹è³Ê º¯°æÇϱâ
function slideShow() {
   preID = currentID;
   if(preID < 0) {
      preID = maxID;
   }
   currentID++;
   if(currentID > maxID) {
      currentID = 0;
   }

   imageTag = '<img src="' + preloadImages[currentID].src + '" alt="' + preloadImages[currentID].alt + '"';
   imageTag += ' onmouseover="slideSet(0);" onmouseout="slideSet(1);">';
   imageHTML = '<a href="' + preloadImagesLink[currentID] + '">' + imageTag + '</a>';
   document.getElementById('right_banner_cont').innerHTML = imageHTML;

   document.getElementById('rollBtn' + preID).src = '/temp/images/right_ele_btn' + preID +'_off.gif';
   document.getElementById('rollBtn' + currentID).src = '/temp/images/right_ele_btn' + currentID +'_on.gif';
}

//·Ñ¹è³Ê ½ÃÀÛ ¹× Áß´Ü
function slideSet(act) {
   if(act == 0) {
      clearInterval(objTimer);
      document.getElementById('rollSTBtn').src = '/temp/images/right_ele_startbtn.gif';
      if(slideProcess < 3) {
         slideProcess = 0;
      }
   }else if(act == 1) {
      if(slideProcess == 0) {
         objTimer = setInterval(function(){slideShow()}, slideTime);
         document.getElementById('rollSTBtn').src = '/temp/images/right_ele_stopbtn.gif';
         slideProcess = 1;
      }
   }else if(act == 3) {
      if(slideProcess < 3) {
         clearInterval(objTimer);
         document.getElementById('rollSTBtn').src = '/temp/images/right_ele_startbtn.gif';
         slideProcess = 3;
      }else {
         objTimer = setInterval(function(){slideShow()}, slideTime);
         document.getElementById('rollSTBtn').src = '/temp/images/right_ele_stopbtn.gif';
         slideProcess = 0;
      }
   }
}

//·Ñ¹è³Ê ¹öÆ° Ŭ¸¯½Ã À̹ÌÁö º¯°æ
function slideClickImg(imgNo) {
   preID = currentID;

   if(preID < 0) {
      preID = maxID;
   }

   currentID = imgNo;

   imageTag = '<img src="' + preloadImages[currentID].src + '" alt="' + preloadImages[currentID].alt + '"';
   imageTag += ' onmouseover="slideSet(0);" onmouseout="slideSet(1);">';
   imageHTML = '<a href="' + preloadImagesLink[currentID] + '">' + imageTag + '</a>';
   document.getElementById('right_banner_cont').innerHTML = imageHTML;
   document.getElementById('rollBtn' + preID).src = preloadButtonOff[preID].src;
   document.getElementById('rollBtn' + currentID).src = preloadButtonOn[currentID].src;

   clearInterval(objTimer);
   document.getElementById('rollSTBtn').src = '/temp/images/right_ele_startbtn.gif';
   slideProcess = 3;
   //objTimer = setInterval(function(){slideShow()}, slideTime);
}