function Hello() { }




    ////////////////////
   //                //
  //   Extensions   //
 //                //
////////////////////


Math.rand = function ( a, b )
{
	if( a && !b ) return Math.floor( Math.random() * a );
	if( a  >  b ) return Math.floor( Math.random() * ( a - b )) + b;
	if( b  >  a ) return Math.floor( Math.random() * ( b - a )) + a;
	return a;
};
String.prototype.isNumeric = function ()
{
	var list = "0123456789.";
	var flag = true;
	var snip = null;
	for( var i = 0; i < this.length && flag == true; i++ )
	{ 
		snip = this.charAt( i );
		if( list.indexOf( snip ) == -1 ) flag = false;
	};
	return flag;
};




    //////////////////
   //              //
  //   Routines   //
 //              //
//////////////////


function validate( url, zip )
{
	if( !url ) url = "www.nytimes.com";
	if( url == "google.com" || url == "http://google.com" ) url = "www.google.com";
	if( url.indexOf( "http://" ) == -1 ) url = "http://" + url;

	//  the following didn't take into account internationl ID's
	//if( zip.length != 5 || !zip.isNumeric() ) zip = null;

	var valid = new Array();
	valid["url"] = url;
	valid["zip"] = escape( zip );
	return valid;
};
function update()
{
	var url = document.getElementById( "url"  ).value;
	var zip = document.getElementById( "zip"  ).value;
	var valid = validate( url, zip );
	url = valid["url"];
	zip = valid["zip"];
	
	if( !zip ) zip = "10002";
	
	var htm = "<script type='text/javascript' src='http://stewdio.org/windmaker/windmaker.js";
	htm += "?zip="+ zip;
//	htm += "&url="+ escape( url );
	htm += "'></script>";
	//document.getElementById( "code" ).value = htm;


	var esc = "&lt;script type='text/javascript' src='http://stewdio.org/windmaker/windmaker.js";
	esc += "?zip="+ zip;
	esc += "'&gt;&lt;/script&gt;";
	document.getElementById( "code" ).innerHTML = esc;



	var add = "javascript:void(document.location='http://stewdio.org/windmaker/windmaker.html";
	add += "?zip="+ zip;
	add += "&url='+escape(document.location.href))";
	document.getElementById( "bookmarklet" ).href = add;
};
function launch()
{
	var url = document.getElementById( "url" ).value;
	var zip = document.getElementById( "zip" ).value;
	var valid = validate( url, zip );
	url = valid["url"];
	zip = valid["zip"];
	var make = "http://stewdio.org/windmaker/windmaker.html?";
	if( zip ) make += "zip="+ zip +"&";
	if( url ) make += "url="+ escape( url );
	//var pwin = window.open( make, "WindMaker" );
	//pwin.focus ();
	document.location.href = make;
};



function show( id )
{
	var el = document.getElementById( id );
	el.style.display = "block";
	var tab = document.getElementById( id + "_tab" );
	tab.className = "selected";
};
function hide( id )
{
	var el = document.getElementById( id );
	el.style.display = "none";
	var tab = document.getElementById( id + "_tab" );
	tab.className = "";
};
function hideAll()
{
	hide( "about" );
	hide( "steal" );
	hide( "book"  );
	hide( "inter" );
};
function switchTo( id )
{
	hideAll();
	show( id );
};
function reset()
{
	hideAll();
	document.getElementById( "url"  ).value = "www.nytimes.com";
	document.getElementById( "zip"  ).value = "10002";
	update();
};