/*	gsNewWindow Usage:
 *
 *	< html >< head >
 *		< script src="path/to/gs_new_window.js" >< /script >
 *		< script >
 *
 *			gContactUs = new gsNewWindow( 'contact_window' ); // unique name
 *
 *			with ( gContactUs ) {
 *
 *				//		Specify an Optional Default Path
 *				path = '../path/to/default/page.html';
 *
 *				copyhistory = false;
 *				directories = false;
 *				location    = false;
 *				menubar     = false;
 *				resizable   = false;
 *				scrollbars  = false;
 *				status      = false;
 *				toolbar     = false;
 *
 *				// if centered is true then left and top are ignored
 *				centered = false; // NN4++/IE4++
 *				left     = 0;     //   ""    ""
 *				top      = 0;     //   ""    ""
 *
 *				height = 100;
 *				width  = 100;
 *			}
 *		< /script >
 *	< /head >
 *	< body >
 *
 *	<!-- go to default path... -->
 *		<a href="javascript:gContactUs.Splash()">Contact Us</a>
 *
 *	<!-- or specify a path...  -->
 *		<a href="javascript:gContactUs.Splash('contact.html')">Contact Us</a>
 *
 *
 */

function gsNewWindow( sName, _sDefaultPath_ ) { // constructor
	/*	API
	 *		Attr()       //> 'copyhistory,etc...'
	 *		Splash(sURL) // sURL optional, open if not open,
	 *		             // bring forward if not frontmost,
	 *		             // go to sURL if sURL, or go to default.
	 *		Close()      // window.close
	 *		Focus()      // !!! implement IE5 workaround !!!
	 */

	this.name = sName
	this.wind = null;
	
	if ( ! (this.path = _sDefaultPath_) )
	        this.path = '';

	this.copyhistory = false;
	this.directories = false;
	this.location    = false;
	this.menubar     = false;
	this.resizable   = false;
	this.scrollbars  = false;
	this.status      = false;
	this.toolbar     = false;

	this.left = 0;  this.height = 100;
	this.top  = 0;  this.width  = 100;

	this.centered = false;

	this.Attr = function () {
		var atr = '';
		if ( this.copyhistory ) atr += ',copyhistory';
		if ( this.directories ) atr += ',directories';
		if ( this.location    ) atr += ',location'   ;
		if ( this.menubar     ) atr += ',menubar'    ;
		if ( this.resizable   ) atr += ',resizable'  ;
		if ( this.scrollbars  ) atr += ',scrollbars' ;
		if ( this.status      ) atr += ',status'     ;
		if ( this.toolbar     ) atr += ',toolbar'    ;
		if ( this.height ) atr += ',height=' + this.height;
		if ( this.width  ) atr += ',width='  + this.width ;

		if ( this.centered ) {
			var delta = 60 // titlebar offset, seems to center better
			var x = (screen.width  - this.width         ) / 2 ;
			var y = (screen.height - this.height - delta) / 2 ;
			atr += ',left=' + x + ',screenX=' + x;
			atr += ',top='  + y + ',screenY=' + y;
		} else {
			if ( this.left )
				atr += ',left=' + this.left + ',screenX=' + this.left;
			if ( this.top )
				atr += ',top='  + this.top  + ',screenY=' + this.top;
		}

		return atr.substring( 1 ); // chop off initial ','
	}

	this.Splash = function ( _sURL_ ) {
		var path = _sURL_ || this.path;
		if ( this.wind && !this.wind.closed ) {
			this.wind.location = path;
		} else {
			this.wind = window.open( path, this.name, this.Attr() );
		}
		this.Focus();
	}

	this.Close = function () {
		if ( this.wind && !this.wind.closed ) this.wind.close();
	}
	
	this.Focus = function () {
		if ( this.wind && !this.wind.closed && window.focus )
			this.wind.focus();
	}
}