<!-- <a href="index_main.php" onMouseOver="menuOn('home')" onMouseOut="menuOff('home')"><img name="home" id="home" src="imagtes/homeOff.gif" width="117" height="17" border="0"></a>  -->


//menu buttons
var nav_book_On = new Image();
var nav_book_Off = new Image();

var nav_author_On = new Image();
var nav_author_Off = new Image();

var nav_excerpt_On = new Image();
var nav_excerpt_Off = new Image();

var nav_interviews_On = new Image();
var nav_interviews_Off = new Image();

var nav_forum_On = new Image();
var nav_forum_Off = new Image ();

var nav_gallery_On = new Image();
var nav_gallery_Off = new Image ();


//menu buttons source
nav_book_On.src="art/nav_book_2.gif";
nav_book_Off.src="art/nav_book.gif";

nav_author_On.src="art/nav_author_2.gif";
nav_author_Off.src="art/nav_author.gif";

nav_excerpt_On.src="art/nav_excerpt_2.gif";
nav_excerpt_Off.src="art/nav_excerpt.gif";

nav_interviews_On.src="art/nav_interviews_2.gif";
nav_interviews_Off.src="art/nav_interviews.gif";

nav_forum_On.src="art/nav_forum_2.gif";
nav_forum_Off.src="art/nav_forum.gif";

nav_gallery_On.src="art/nav_gallery_2.gif";
nav_gallery_Off.src="art/nav_gallery.gif";


// Change Over
function menuOn(imgname){ //use this for mouseover on images NOT on layers
		if (document.all){
			eval('document.images.'+imgname+'.src='+imgname+'_On.src');
		} else if (document.layers) {
			eval('document.'+imgname+'.src='+imgname+'_On.src');
		} else if (document.getElementById&&!document.all) {
			eval('document.getElementById("'+imgname+'").src='+imgname+'_On.src');
			//eval('document.'+imgname+'.src='+imgname+'_On.src');
		}		
}

// Revert to Default Image
function menuOff(imgname) { //use this for mouseout on images NOT on layers
		if (document.all) {
			eval('document.images.'+imgname+'.src='+imgname+'_Off.src');
		} else if (document.layers) {
			eval('document.'+imgname+'.src='+imgname+'_Off.src');
		} else if (document.getElementById&&!document.all) {
			// doesn't work -- eval('document.'+imgname+'.setAttribute("src","'+imgname+'_Off.src")');
			eval('document.getElementById("'+imgname+'").src='+imgname+'_Off.src');
		}	  
}