function getAllSheets() {
  //if you want ICEbrowser's limited support, do it this way
  if( !window.ScriptEngine && navigator.__ice_version ) {
  	//IE errors if it sees navigator.__ice_version when a window is closing
  	//window.ScriptEngine hides it from that
    return document.styleSheets; }
  if( document.getElementsByTagName ) {
    //DOM browsers - get link and style tags
    var Lt = document.getElementsByTagName('link');
    var St = document.getElementsByTagName('style');
  } else if( document.styleSheets && document.all ) {
    //not all browsers that supply document.all supply document.all.tags
    //but those that do and can switch stylesheets will also provide
    //document.styleSheets (checking for document.all.tags produces errors [WHY?!])
    var Lt = document.all.tags('LINK'), St = document.all.tags('STYLE');
  } else { return []; } //lesser browser - return a blank array
  //for all link tags ...
  for( var x = 0, os = []; Lt[x]; x++ ) {
    //check for the rel attribute to see if it contains 'style'
    if( Lt[x].rel ) { var rel = Lt[x].rel;
    } else if( Lt[x].getAttribute ) { var rel = Lt[x].getAttribute('rel');
    } else { var rel = ''; }
    if( typeof( rel ) == 'string' &&
        rel.toLowerCase().indexOf('style') + 1 ) {
      //fill os with linked stylesheets
      os[os.length] = Lt[x];
    }
  }
  //include all style tags too and return the array
  for( var x = 0; St[x]; x++ ) { os[os.length] = St[x]; } return os;
}
function changeStyle() {
  for( var x = 0, ss = getAllSheets(); ss[x]; x++ ) {
    //for each stylesheet ...
    if( ss[x].title ) {
      //disable the stylesheet if it is switchable
      ss[x].disabled = true;
    }
    for( var y = 0; y < arguments.length; y++ ) {
      //check each title ...
      if( ss[x].title == arguments[y] ) {
        //and re-enable the stylesheet if it has a chosen title
        ss[x].disabled = false;
      }
    }
  }
  if( !ss.length ) { alert( 'Your browser cannot change stylesheets' ); }
}

var preload_list = new Array("SmallFontOn.gif",	"SmallFontOff.gif","MedFontOn.gif","MedFontOff.gif","LGRFontOn.gif","LGRFontOff.gif");
var path_to_images = "images/";
// preload (change path to images if necessary)
if (document.images) {
	var image_list = new Array();
	for (var preload_counter=0; preload_counter<preload_list.length; preload_counter++) {
  	image_list[preload_counter] = new Image(); 
		image_list[preload_counter].src = path_to_images + preload_list[preload_counter];	
  }
}
var swapTimer;
// delay before restoring original image onmouseout
var restore_delay = 800; // milliseconds
function swapImage(num) {
	if (swapTimer) clearTimeout(swapTimer);
	if (document.images && num==0) {
		document.MedSwap.src = image_list[3].src;
		document.swap.src = image_list[num].src;
		document.LrgSwap.src = image_list[5].src;
		changeStyle('Deft');
	}
	else if (document.images && num==2) {
		document.MedSwap.src = image_list[num].src;
		document.swap.src = image_list[1].src;
		document.LrgSwap.src = image_list[5].src;
		changeStyle('Medium');
	}
	else if (document.images && num==4) {
		document.MedSwap.src = image_list[3].src;
		document.swap.src = image_list[1].src;
		document.LrgSwap.src = image_list[num].src;
		changeStyle('Large');
	}
}
function chgMouse(){
id.style.cursor = "hand";
}
