var previewImg;
var previewImgDirPath;
var previewImgs;
var previewImgsTempCount;
var previewImgTimer;
var previewImgsStart;
var previewImgsTemp;

function imgPreviewStart(event){
	
	previewImgsTempCount = 1;
	previewImgsStart = 2;
	previewImgs = new Array;
	previewImgsTemp = new Array;

	if(event.target){
		event.stopPropagation();
		previewImg = event.target
		}
	else {
		window.event.cancelBubble = true;
		previewImg = window.event.srcElement;
		}

	previewImgDirPath = getPreviewImgDirPath(previewImg.src);
	previewImgCash();
	previewImgTimer = window.setInterval("imgPreviewShow()",1000)
	
	}
	
function getPreviewImgDirPath(){
	reg = /(.*\/).*.jpg/i;
	return reg.exec(arguments[0])[1];
	}
	
function previewImgCash(){
	previewImgsTemp[previewImgsTempCount] = new Image;
	previewImgsTemp[previewImgsTempCount].onload = function(){previewImgs[previewImgsTempCount] = previewImgsTemp[previewImgsTempCount]; previewImgs[previewImgsTempCount].loaded = true; previewImgsTempCount++; previewImgCash();}
	previewImgsTemp[previewImgsTempCount].src = previewImgDirPath+previewImgsTempCount+'.jpg';
	}
	
function imgPreviewShow(){
	if(!previewImgs[previewImgsStart])previewImgsStart=1;
	if(previewImgs[previewImgsStart].loaded==true){
		previewImg.src = previewImgs[previewImgsStart].src;
		previewImgsStart++;
	}
	}

function imgPreviewStop(){
	window.clearInterval(previewImgTimer); 
	previewImgTimer=null;
	previewImg.src = previewImgs[1].src;
	}