// Copyright 2001 Idocs.com      
// Distribute this script freely, but keep this notice in place
// backlink object initializer
//						<script type="text/javascript">
//							<!-- var 
//							csc = new backlink(); 
//							csc.type = "image"; noimg, img
//							csc.src = "img/back.gif"; 
//							csc.text = "previous"; 
//							csc.width = 100; 
//							csc.height = 20; 
//							csc.write(); 
//							//-->
//						</script >

function backlink() 
{
	this.text = 'Go Back';
	this.type = 'button'; //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)" class="back1"');
			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>');
		}
}