if (document.images) {
	sub_homepg = new Image();
	sub_homepg_o = new Image();
	sub_gallery = new Image();
	sub_gallery_o = new Image();
	sub_paintings = new Image();
	sub_paintings_o = new Image();
	sub_sculpture = new Image();
	sub_sculpture_o = new Image();
	sub_shows = new Image();
	sub_shows_o = new Image();
	sub_statement = new Image();
	sub_statement_o = new Image();
	sub_links = new Image();
	sub_links_o = new Image();
	
	sub_homepg.src = "images/sub_03.gif";
	sub_homepg_o.src = "images/sub_o_03.gif";
	sub_gallery.src = "images/sub_04.gif";
	sub_gallery_o.src = "images/sub_o_04.gif";
	sub_paintings.src = "images/sub_05.gif";
	sub_paintings_o.src = "images/sub_o_05.gif";
	sub_sculpture.src = "images/sub_06.gif";
	sub_sculpture_o.src = "images/sub_o_06.gif";
	sub_shows.src = "images/sub_07.gif";
	sub_shows_o.src = "images/sub_o_07.gif";
	sub_statement.src = "images/sub_08.gif";
	sub_statement_o.src = "images/sub_o_08.gif";
	sub_links.src = "images/sub_09.gif";
	sub_links_o.src = "images/sub_o_09.gif";
	
	circle = new Image();
	circle_o = new Image();
	circle.src = "../images/circle.gif";
	circle_o.src = "../images/circle_o.gif";
}

// function for opening new windows //

var winName = 'galleryWin';
function openImg(contentURL) {
	widthHeight = 'height=700,width=700,toolbar=no,location=no,scrollbars=yes,resizable=yes';
	newWin = window.open(contentURL,winName,widthHeight);
	winName = winName + '0';
	newWin.focus();
}