var Robot = {
	AddNewRow: function(){
		var tbl = document.getElementById('robotgentbl');
		var row = tbl.insertRow(tbl.rows.length);
		var cell = row.insertCell(0);
		cell.innerHTML = '<input type="text" name="disallow[]" class="disallow" value="/" size="30" />';
	},
	
	genCode: function(){
		var tbl = document.getElementById('robotgentbl');
		var elems = tbl.getElementsByTagName('input');
		var elem = document.getElementById('sitemap').value;
		var newcontent = '# This Robots.txt was generated by: The UK SEO Agency Robots txt Generator\n# http://www.ukseoagency.co.uk/SEO-tools/RobotsTxtGenerator/';
		newcontent += ((elem!='http://'&&elem!='')?'\nsitemap: '+elem:'');
		newcontent += '\nUser-Agent: *';
		for(var i=0;i<elems.length;i++){
			if(elems[i].className == 'disallow'){
				if(elems[i].value == '/'){
					if(confirm('Are you sure you wish to disallow "/"?\nThis will block access to the whole site'))
						newcontent += '\nDisallow: '+elems[i].value;
					else
						return false;
				} else {
					newcontent += '\nDisallow: '+elems[i].value;
				}
			}
		}
		document.getElementById('gencode').value = newcontent;
	}
};