var img = document.getElementById('img');
	var h = img.height + 120;
	var endNum = 9;
	var beginNum = 1;
	function changeCursor(ev){	
		ev = ev || window.event;
		ev = ev || window.event;
		var x = ev.clientX;
		var y = ev.clientY;
		if(x < 500 ){
			img.style.cursor = "url("+"http://www.chinamaga.com/img/pre.ani"+")";
			img.title = "点击跳到上一张";			
		}else{	
			img.style.cursor = "url("+"http://www.chinamaga.com/img/next.ani"+")";
			img.title = "点击跳到下一张";
			
		}
	}


document.getElementById('img').onmousemove = changeCursor;

document.getElementById('img').onclick = changePage;


	function changePage(ev){
		ev = ev || window.event;
		var str = img.src;
		var strs = str.split("/");
		var i = parseInt(strs[strs.length-1].substring(0, str.indexOf(".")));	
		var x = ev.clientX;
		var y = ev.clientY;
		var xt= img.offsetTop;
		var xl = img.offsetLeft;
		var w = img.width;
		var h = img.height;
		if(x < 500 ){
				img.style.cursor = "url("+"http://www.chinamaga.com/img/pre.ani"+")";
				img.title = "点击跳到上一张";
				changeImg(--i);
			
		}else {
				img.style.cursor = "url("+"http://www.chinamaga.com/img/next.ani"+")";
				img.title = "点击跳到下一张";
				changeImg(++i);
		}
		
	}
	
	
	function changeImg(i){
		if(i>9)
			i=1;
		if(i<1)
			i=9;
		location = i + ".html";
	}