定时图片切换

<img src="./image/pic1.jpg" id="pic_id">
<script type="text/javascript">
	//pic切换
	var array=new Array();
	var index=0;
	var array= new Array("./image/pic1.jpg","./image/pic2.jpg");

	function qiehuan(){//图片切换
	    var myimg=document.getElementById("pic_id");
	    if(index==array.length-1){
	        index=0;     
	    }else{      
	    	index++;      
	    }
	    myimg.src=array[index];
	}
	mytimer = setInterval(qiehuan,1000);
</script>

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