// backlink object initializerfunction backlink() {	this.text = 'Go Back';	this.type = 'link';	this.write = backlink_write;	this.form = true;}// write methodfunction backlink_write() {	if (! window.history) return;	if (window.history.length == 0)return;	this.type = this.type.toLowerCase();	if (this.type == 'button') {		if (this.form)			document.write('<FORM>');		document.write('<INPUT TYPE=BUTTON onClick="history.back(-1)" VALUE="', this.text, '"');		if (this.otheratts) document.write(' ', this.otheratts);		document.write('>');		if (this.form)document.write('<\/FORM>');	} else {		document.write('<A HREF="javascript:history.back(-1)"');		if (this.otheratts)			document.write(' ', this.otheratts);		document.write('>');		if (this.type == 'image' || this.type == 'img') {			document.write('<img SRC="', this.src, '" ALT="', this.text, '"');			if (this.width) document.write(' WIDTH=', this.width);			if (this.height) document.write(' HEIGHT=', this.height);			if (this.otherimgatts) document.write(' ', this.otherimgatts);			document.write(' BORDER=0 />');		}		else			document.write(this.text);		document.write('<\/A>');	}}
