function backlink() 
{
	this.text = 'Back';
	this.type = 'link';
	this.write = backlink_write;
	this.form = true;
}

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);
			if (this.border)
				document.write(' BORDER=', this.border);

			document.write('>');
		}
		else
			document.write(this.text);
		
		document.write('<\/A>');
	}
}