function cp(spic, type, onoff, leftright) {
  var imgLeft = document.getElementById('imgLeft');
  var imgRight = document.getElementById('imgRight');
  var imgLeftRight = '';
  
  switch (type) {
    case 'museums':
      if (onoff) {
        spic.src = 'images/nav/museums.gif';
        imgLeftRight = 'images/non-nav/museum_swap.gif';                
      } else {
        spic.src = 'images/nav/museums_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'civic':
      if (onoff) {
        spic.src = 'images/nav/civic.gif';
        imgLeftRight = 'images/non-nav/civic_swap.gif';                
      } else {
        spic.src = 'images/nav/civic_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'spa':
      if (onoff) {
        spic.src = 'images/nav/spa.gif';
        imgLeftRight = 'images/non-nav/salons_swap.gif';
      } else {
        spic.src = 'images/nav/spa_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'lodging':
      if (onoff) {
        spic.src = 'images/nav/lodging.gif';
        imgLeftRight = 'images/non-nav/lodging_swap.gif';    
      } else {
        spic.src = 'images/nav/lodging_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'services':
      if (onoff) {
        spic.src = 'images/nav/services.gif';           
        imgLeftRight = 'images/non-nav/services_swap.gif';     
      } else {
        spic.src = 'images/nav/services_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'galleries':
      if (onoff) {
        spic.src = 'images/nav/galleries.gif';          
        imgLeftRight = 'images/non-nav/galleries_swap.gif';      
      } else {
        spic.src = 'images/nav/galleries_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'resturants':
      if (onoff) {
        spic.src = 'images/nav/restaurants.gif';        
        imgLeftRight = 'images/non-nav/restaurants_swap.gif';        
      } else {
        spic.src = 'images/nav/restaurants_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'performingarts':
      if (onoff) {
        spic.src = 'images/nav/performing.gif';         
        imgLeftRight = 'images/non-nav/performing_swap.gif';       
      } else {
        spic.src = 'images/nav/performing_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;
    case 'bakeries':
      if (onoff) {
        spic.src = 'images/nav/bakery.gif';             
        imgLeftRight = 'images/non-nav/bakery_swap.gif';   
      } else {
        spic.src = 'images/nav/bakery_blue.gif';
        imgLeftRight = 'images/non-nav/blank_swap.gif';
      }
      break;        
  }
    
  if (leftright == 'left') {
  	imgLeft.src = imgLeftRight;    
  } else {
		imgRight.src = imgLeftRight;
  }
}