js跳转

第一种：   
<script language="javascript" type="text/javascript">           window.location.href="index.jsp";
</script>
第二种：   
<script language="javascript">
alert("返回");
window.history.back(-1);  
</script>
第三种：  
<script language="javascript">
window.navigate("top.jsp"); 
</script>
第四种：  
<script language="JavaScript">
self.location='top.htm';  
</script>
第五种：  
<script language="javascript">         
alert("非法访问！");        
top.location='index.jsp';  
</script>