var WebWidth = null; // width of the browser window
var WebHeight = null; // height of the broswer window
var sizeSelection = 1; // depending on screen size be index of the array, 0 small, or 1 default

var menuWidth=175; // width to exclude from the left hand side
var backGround_brder=10; // amount of overhand between display window and background
var Iframe_border=30; // amound of frame buffer around the Iframe window
var buttonWidth=null; // assumed width of the button
var link_Pict=360;// width of the base picture for the links

var dispTtle_Width=null; // width of the title
var dispTtle_Height=null; // height of the title
var dispBckGnd_Width=null; // width of the background
var dispBckGnd_Height=null; // height of the background
var dispMain_Width=null; // width of the main window
var dispMain_Height=null; // height of the main window

var isOrderLayerDisplayed=false; // flag stating state of the order layers
var isLinksLayerDisplayed=false; // flag stating state of the link layers
var isChoiceBarDisplayed=false; // flag stating the state of the choice bar

var IE4 = (document.all) ? 1 : 0; // is it IE 4 or compatible
var NS4 = (document.layers) ? 1 : 0; // is it Netscape 4 or compatible
var navName = navigator.appName; // name of the browser

// needed for the selection of style sheets
var css_def='def'; // default for links (large window)
var css_menu='menu'; // default for links in the menus
var css_maplink='maplink'; // default for links in the map
var css_info='info'; // default for the info boxes
var css_meet='meet'; // default for the meet the artist box
var css_order='order'; // default for the order boxes
var css_title='title'; // default for the page titles
var css_feature='feature'; // default for the paragraph size
var css_instr='instr'; // default for the instruction layer
var css_clickinstr='clickinstr'; // default for click instructions
var css_display='display'; // default for the display layer
var css_webrings='webrings'; // default for the webrings layer