function changeImage(which) {
        for(i = 0; i <= 10; i++) {
            if(document.images['page' + i]) {
               document.images['page' + i].src =  'img/page_OFF.gif';
            }
        }
        document.images['page'+ which].src = 'img/page_ON.gif';
        return false;
    }

/*
	function changeImage(a)
	{
		var pageItem = "page" + a;
		document.images[pageItem].src= "img/page_ON.gif";
		return true;
    }

    function offImage(a,b,c,d) {
		var pageOffa = "page" + a;
		var pageOffb = "page" + b;
		var pageOffc = "page" + c;
		var pageOffd = "page" + d;
		document.images[pageOffa].src= "img/page_OFF.gif";
		if(document.images[pageOffb]) { document.images[pageOffb].src= "img/page_blank.gif";}
		if(document.images[pageOffc]) {document.images[pageOffc].src= "img/page_blank.gif";}
		if(document.images[pageOffd]) {document.images[pageOffd].src= "img/page_blank.gif"};
		return true;
	}

*/
	function delay(delay){
	string="pause("+delay+");";
	setTimeout(string,delay);
	}

	function pause(delay){
	initGlideLayers();changeImage(0);
	}