String.prototype.trim = function()
{
	return this.replace(/(^\s*)|(\s*$)/g, "");
}

function check_ip(box)
{
	var ip_array,ip,j;
	ip = box.value;
	ip_array = ip.split(".");
	j = ip_array.length;

	if(j!=4)
	{
		alert("请输入正确的IP地址，例如：202.194.3.3");
		box.focus();
		return false;
	}
	for(var i=0;i<4;i++)
	{
		if(ip_array[i].length==0 || ip_array[i]>255)
		{
			alert("请输入正确的IP地址，例如：202.194.3.3");
			box.focus();
			return false;
		}
	}
	
}

function check_ipdomain(box)
{
	var ip_array,ip,j;
	ip = box.value;
	ip_array = ip.split(".");
	j = ip_array.length;

	if(j<2)
	{
		alert("请输入正确的IP地址或网址，例如：202.194.3.3，www.myip.cn");
		box.focus();
		return false;
	}
	
}


function setHomepage(url)
{
	if (document.all) {
		document.body.style.behavior='url(#default#homepage)';
		document.body.setHomePage(url);
    } else if (window.sidebar) {
		if(window.netscape) {
			try { 
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
			} catch (e) { 
			    alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" ); 
			}
		}
		var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
		prefs.setCharPref('browser.startup.homepage',url);
	}
}


function bookmarksite(title, url){
	if (document.all)
	window.external.AddFavorite(url, title);
	else if (window.sidebar)
	window.sidebar.addPanel(title, url, "")
}



g_parms = new Array();
g_parm_cnt = 0;
function initparm() 
{
	var ss = document.getElementById('parms').value.replace(/(\r\n|\r|\n)/g, '\n').split('\n');
	for(var i = 0; i < ss.length; i ++) {					   
		s2 = ss[i].split('=');
		if (s2.length < 2) continue;
		g_parms[g_parm_cnt] = new Array(2);
		g_parms[g_parm_cnt][0] = s2[0];
		g_parms[g_parm_cnt][1] = s2[1];
		g_parm_cnt++;
	}
}
function getparm(name) {
	for (var i = 0; i < g_parm_cnt; i++)
	{
		//alert(g_parms[i][0]);
		if (name == g_parms[i][0]) return g_parms[i][1];
	}
}



// tells local time to user, formats the way you want
// initialzis arrays outside of function so they don't do it 10times a second
a_months = new Array("Jan.","Feb.","March","April","May","June","July","Aug.","Sep.","Oct.","Nov.","Dec.");
a_days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");

// this function gets the cookie, if it exists
// function Get_Cookie( name ) {
// 	
// 	var start = document.cookie.indexOf( name + "=" );
// 	var len = start + name.length + 1;
// 	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) )
// 	{
// 		return null;
// 	}
// 	if ( start == -1 ) return null;
// 	var end = document.cookie.indexOf( ";", len );
// 	if ( end == -1 ) end = document.cookie.length;
// 	return unescape( document.cookie.substring( len, end ) );
// }

// this fixes an issue with the old method, ambiguous values 
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}


/*
var  name = 'size';
//y=document.cookie;
//alert(y);
var all_cookies = document.cookie;

var clean_cookies = all_cookies.replace(/^\s+|\s+$/g, '');
var a_cookies = clean_cookies.split( ';' );
//alert(x);
//alert(a_cookies.length);
for ( i = 0; i < a_cookies.length; i++ )
{
	var temp_cookie = a_cookies[i].split( '=' );
	var cookie_name = temp_cookie[0].replace(/^\s+|\s+$/g, '');
	//alert(cookie_name);
	if ( cookie_name == name )
	{
		alert(' it is size' );
		alert('with value ' + temp_cookie[1]);
		break;
	}
}
*/

/*
only the first 2 parameters are required, the cookie name, the cookie
value. Cookie time is in milliseconds, so the below expires will make the 
number you pass in the Set_Cookie function call the number of days the cookie
lasts, if you want it to be hours or minutes, just get rid of 24 and 60.

Generally you don't need to worry about domain, path or secure for most applications
so unless you need that, leave those parameters blank in the function call.
*/
function Set_Cookie( name, value, expires, path, domain, secure ) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	// if the expires variable is set, make the correct expires time, the
	// current script below will set it for x number of days, to make it
	// for hours, delete * 24, for minutes, delete * 60 * 24
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	//alert( 'today ' + today.toGMTString() );// this is for testing purpose only
	var expires_date = new Date( today.getTime() + (expires) );
	//alert('expires ' + expires_date.toGMTString());// this is for testing purposes only

	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
	if ( Get_Cookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}