/************************************************************************/
/* RankQuest: Search Engine Optimization Tools                          */
/* ============================================                         */
/*                                                                      */
/* Copyright (c) 2006 by RankQuest                                      */
/* http://www.rankquest.com                                             */
/*                                                                      */
/* This program is free software. You can redistribute it and/or modify */
/* it under the terms of the GNU General Public License as published by */
/* the Free Software Foundation; either version 2 of the License.       */
/*                                                                      */ 
/* This program is distributed in the hope that it will be useful, but  */ 
/* WITHOUT ANY WARRANTY; without even the implied warranty of           */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU     */
/* General Public License for more details                              */ 
/************************************************************************/

function changeOption(id)
{
	if(id == "localfile")
    	{
       		var url = document.getElementById('urlSelectBox');
       		var urlVal = url.options[url.selectedIndex].value;
       		document.getElementById('urlSelect').style.display = 'none';
       		document.getElementById('fileSelect').style.display = 'block';
		document.getElementById('enterFile').selected = true;
	}
    	else
    	{	
    		var files = document.getElementById('fileSelectBox');
       		var filesVal = files.options[files.selectedIndex].value;
       		document.getElementById('fileSelect').style.display = 'none';
       		document.getElementById('urlSelect').style.display = 'block';
		document.getElementById('enterUrl').selected = true;
    	}
}

function Trim(str)
{
	while(str.charAt(0) == (" ") )
	{
		str = str.substring(1);
	}
	while(str.charAt(str.length-1) == " " )
	{
		str = str.substring(0,str.length-1);
	}
	return str;
}

function set()
{
        document.feed.url.focus();
}

function validateNotNull()
{
	var value = 0;
	var i = 0;
        if(document.feed.url.value=="")
        {
                alert("Please enter a URL");
                document.feed.url.focus();
                return false;
        }
        else
        {
		url = Trim(document.feed.url.value);
                if(url.length > 150)
                {
                        alert("Sorry we support only URL upto length 150 ");
			document.feed.url.value = "";
			document.feed.url.focus();
                        return false;
                }
                else
                {
                        for(i=0;i<url.length;i++)
                        {
                                if(url[i]==" ")
                                {
                                        value = 1;
                                        break;
                                }
                        }
                        if(value == 1)
                        {
                                alert("Invalid URL. Please check the URL ");
				document.feed.url.value = "";
				document.feed.url.focus();
                                return false;
                        }
			document.feed.url.value = url;
                        return true;
                }
        }
}