function redirect2(url,max)
{
	if(url.lastIndexOf('action') > 0) return false;
	var s;
	if (url.indexOf("http://")<0) {
		var re = new RegExp("^(.*?)(\.html)(\\d+)$","ig");
		var arr = re.exec(url);
		var s1 = RegExp.$1;
		var s2 = RegExp.$2;
		var s3 = RegExp.$3;
		var re2 = /^\d+$/;
		if (re2.test(s3) == false || s3 > max) {
			alert("û�и�ҳ");
			return false;
		}
		s = "/"+s1+s3+s2;
	}else {
		var re = new RegExp("(.*?)(\\d+)$","ig");
		var arr = re.exec(url);
		var s1 = RegExp.$2;
		var re2 = /^\d+$/;
		if (re2.test(s1) == false ||  s1 > max) {
			alert("û�и�ҳ");
			return false;
		}
		s = url;
	}

	location.href = s;
}
function rotate_do(name,id) {
	var f = 0;
	while($("#"+name+f).length) {
		if(f == id){
			$("#"+name+f).removeClass("navs2");
			$("#"+name+f).addClass("navs1");
			$("#block_"+name+"_"+f).css({"display":"block"});
		}
		else{
			$("#"+name+f).removeClass("navs1");
			$("#"+name+f).addClass("navs2");
			$("#block_"+name+"_"+f).css({"display":"none"});
		}
		f++;
	}
}
function rotate() {
	var arr = ["news","tutorial","correlation","html"];
	for (j=0;j<arr.length;j++) {
		i= 0;
		while($("#"+arr[j]+i).length) {
			n = arr[j];
			//$("#"+arr[j]+i).mouseover(function(){
			
			display(n,i);
			i++;
		}
	}
}
function display(n,i){
	$("#"+n+i).mouseover(function(){
	rotate_do(n,i);
});
}

$(function(){
    rotate();
    $("#jiuye").change(function(){
    	location.href = $(this).val();
    })
});