function ChangePage(id){
                    var table = getObj('thumbs' + id);
                    getObj('thumbs1').style.display = "none";
                    getObj('thumbs2').style.display = "none";
                    getObj('thumbs3').style.display = "none";
                    table.style.display = "block";
                }
                
                function NavOver(id){
                    var item = getObj(id);
                    item.src = "../media/images/nav/" + id + "-on.gif";
                }
                
                function NavOut(id){
                    var item = getObj(id);
                    item.src = "../media/images/nav/" + id + "-off.gif";
                }
                
                function getObj(id) {
	                if(document.layers) {
		                return document.layers[id];
	                } else if(document.all) {
		                return document.all[id];
	                } else if(document.getElementById) {
		                return document.getElementById(id);
	                }
                }