function viewWindow( name, url, w, h ) {
  var win = null;
  // window features: toolbar, location, directories, status, menubar
  //   scrollbars, resizable, width, height
  win = window.open( url, name, 'resizable=yes,scrollbars=no,width=' + w + ',height=' + h);
  if (win != null) {
    if (win.opener == null) {
      win.opener = self;
    }
    win.name = name;
    win.focus();
  }
}

function do_popups  ( name ) {


if ( name == 'residential_2' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 700, 600 );
 }
else if ( name == 'big_ball_1' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 500, 450 );
 }
 else if ( name == 'trumpsection' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 750, 450 );
 }
 else if ( name == 'trumpplan' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 750, 450 );
 }
 else if ( name == 'chevronsiteplan' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 650, 450 );
 }
  else if ( name == 'chevroncourtyard' ) {
 viewWindow( name, '/html/pop_ups/' + name + '.html', 550, 350 );
 }
 else if ( name == 'big_ball_2' ) {
  viewWindow( name, '/html/pop_ups/' + name + '.html', 500, 500 );
 }
  else if ( name == 'flossmoor_1' ) {
   viewWindow( name, '/html/pop_ups/' + name + '.html', 500, 450 );
 }
   else if ( name == 'soldier_field_0' ) {
    viewWindow( name, '/html/pop_ups/' + name + '.html', 600, 350 );
 }
    else if ( name == 'soldier_field_1' ) {
     viewWindow( name, '/html/pop_ups/' + name + '.html', 750, 400 );
 }

 else if ( name == 'soldier_field_2' ) {
     viewWindow( name, '/html/pop_ups/' + name + '.html', 600, 200 );
 }
     else if ( name == 'soldier_field_8' ) {
      viewWindow( name, '/html/pop_ups/' + name + '.html', 600, 500 );
 }
     else if ( name == 'dr_allison_1' ) {
      viewWindow( name, '/html/pop_ups/' + name + '.html', 500, 350 );
       }
		else if ( name == 'pritzker_1' ) {
 		viewWindow( name, '/html/pop_ups/' + name + '.html', 500, 600 );
		 }
 else {
  viewWindow( name, '/html/pop_ups/' + name + '.html', 700, 400 );
 }

}

var backoff;
var backon;
var enteroff;
var enteron;
var flashoff;
var flashon;

function preloadImages( ) {
  backoff = new Image();  backoff.src="img/back_off.gif";
  backon  = new Image();  backon.src="img/back_on.gif";
  enteroff = new Image();  enteroff.src="img/enter.gif";
  enteron  = new Image();  enteron.src="img/enter_hl.gif";
  flashoff = new Image();  flashoff.src="img/flash.gif";
  flashon  = new Image();  flashon.src="img/flash_hl.gif";
}