/* 20090417 */

var uAg = navigator.userAgent.toLowerCase();
var is_opera = uAg.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && uAg.substr(uAg.indexOf('firefox') + 8, 3);
var is_ie = (uAg.indexOf('msie') != -1 && !is_opera) && uAg.substr(uAg.indexOf('msie') + 5, 3);

function star(){
 onMouseOut=window.status='';return true;
}

function $(id){
	return 	document.getElementById(id);
}

function isUndefined(variable) {
	return typeof variable == 'undefined' ? true : false;
}

function ChangeMenu(n,l){
	
	for (i=0;i<l;i++){
		
		$("show_" + i).style.display = (i==n?"block":"none");
		$("menu_" + i).className =(i==n?"menu_hover":"menu_");
	}

}

function top_domain()
{
	var domain
	var tmp=location.host.split('.')
	var i = tmp.length;
	return tmp[(i-2)]+"."+tmp[(i-1)];
}

function setcookie( name , v ) 
{ 
	var argv = setcookie.arguments;
	var argc = setcookie.arguments.length; 
	var expires = (argc > 2) ? argv[2] : null; 
	var path = (argc > 3) ? argv[3] : null; 
	var domain = (argc > 4) ? argv[4] : top_domain(); 
	var secure = (argc > 5) ? argv[5] : false; 

	var v = escape( v );
	var vcook =name+"="+v;
	if(typeof(expires)=='object')vcook +=  (expires == null) ? "" : "; expires=" + expires.toGMTString();
	else if(expires>0)
	{
		var tmpD = new Date(expires*1000);
		vcook += "; expires=" + tmpD.toGMTString();
		//alert( tmpD.toGMTString() );
	}
	if(path!='')vcook +=  (path == null) ? "" : ("; path=" + path) ;
	if(domain!='')vcook +=  (domain == null) ? "" : ("; domain=" + domain) ; 
	vcook +=  (secure == true) ? "; secure" : "";
	document.cookie = vcook;
}
 

function getcookie(sName)
{
	var aCookie = document.cookie.split("; ");
	for (var i=0; i < aCookie.length; i++)
	{
		var aCrumb = aCookie[i].split("=");
		if (sName == aCrumb[0])
		return unescape(aCrumb[1]);
	}
	return null;
}

function getcookieobj()
{
	var o = [];
	var aCookie = document.cookie.split("; ");
	for (var i=0; i < aCookie.length; i++)
	{
		var aCrumb = aCookie[i].split("=");
		o[aCrumb[0]] = aCrumb[1];
	}
	return o;
}

function delcookie (name) 
{ 
	var exp = new Date(); 
	exp.setTime (exp.getTime() - 100000 ); 
	setcookie( name , 0 , exp , "/" , top_domain() );
}
function js(n) {
	for (i=1;i<=7;i++){
		$("button_"+i).className=(i==n?"kad":"kad2");
		$("button_0"+i).className=(i==n?"baidu":"baidu1");
	}
}

function gs(x)
{
	var y=$('baidu').value;
	var a=arguments[1]?arguments[1]:"";
	if(a!="") window.open(x+y+a);
	else window.open(x+y);
}

function searchBottom()
{
	var object = document.getElementsByName('sob');
	if(object[0].checked) gs("http://www.enboedu.com");
	if(object[1].checked) gs("http://www.enboedu.com");
	if(object[2].checked) gs("http://www.enboedu.com");
	if(object[3].checked) gs("http://www.enboedu.com");
	if(object[4].checked) gs("http://www.enboedu.com");
	if(object[5].checked) gs("http://www.enboedu.com");
}

function doane(event) {
	e = event ? event : window.event;
	if(is_ie) {
		e.returnValue = false;
		e.cancelBubble = true;
	} else if(e) {
		e.stopPropagation();
		e.preventDefault();
	}
}

function _attachEvent(obj, evt, func) {
	if(obj.addEventListener) {
		obj.addEventListener(evt, func, false);
	} else if(obj.attachEvent) {
		obj.attachEvent("on" + evt, func);
	}
}