if (document.images) {
	var HovArray=new Array();

  // Text Size Button Images
  s1off = new Image();  s1off.src = "images/txt/s1.gif"; 
  s2off = new Image();  s2off.src = "images/txt/s2.gif";
  s3off = new Image();  s3off.src = "images/txt/s3.gif";

  s1sel = new Image();  s1sel.src = "images/txt/s1_sel.gif"; 
  s2sel = new Image();  s2sel.src = "images/txt/s2_sel.gif";  
  s3sel = new Image();  s3sel.src = "images/txt/s3_sel.gif";

  // Other Button Images
  pon  = new Image();   pon.src   = "images/txt/p_over.gif";
    
  poff = new Image();   poff.src  = "images/txt/p_off.gif";
}

// Menu Buttons

function setHov(ImgSrc,ImgName)
{
	if (! document.images) return;
	if (ImgName == null)
		  ImgName = document.images[document.images.length-1].name;
	HovArray[ImgName] 							= new Object;
	HovArray[ImgName].HovOnImg 			= new Image;
	HovArray[ImgName].HovOnImg.src 	= ImgSrc;
}	

function HovOn(ImgName)
{
	if (! document.images) return;
	if (! HovArray[ImgName]) return;
	if (! HovArray[ImgName].HovOffImg)
		 {
		 	HovArray[ImgName].HovOffImg 		= new Image;
		 	HovArray[ImgName].HovOffImg.src = document.images[ImgName].src;
		 }
	document.images[ImgName].src=HovArray[ImgName].HovOnImg.src;
}

function HovOff(ImgName)
{
	if (! document.images) return; 
	if (! HovArray[ImgName]) return;
	document.images[ImgName].src = HovArray[ImgName].HovOffImg.src;
}	

// Text Size Buttons

function imgOn(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "on.src");
    }
}
function imgOff(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "off.src");        
    }
}
function imgHighlight(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "sel.src");
    }
}
function highlight(imgName){
    //clear other imgs
    imgOff('s1');
    imgOff('s2');
    imgOff('s3');
    
    //highlight current img
    imgHighlight(imgName);
}