function AdvSearchBox()
{
	var advLink = document.getElementById("adv_search_link");
	if (advLink.innerHTML == 'Advanced search+')
	{
		advLink.innerHTML = 'Advanced search-';
		document.getElementById('adv_search_box').style.display = ""; 
	}
	else
	{
		advLink.innerHTML = 'Advanced search+';
		document.getElementById('adv_search_box').style.display = "none";
	}
	return false;
}

function redirectToSearch()
{
	var when = URLEncode(document.getElementById('when').value);
	var query = document.getElementById('query').value;
	if (query == 'search for videos...')
		query = '';
	query = URLEncode(query);

	var site = URLEncode(document.getElementById('site').value);
	var duration = URLEncode(document.getElementById('duration').value);
	var match = URLEncode(document.getElementById('match').value);
	
	var exact_match = '';
	
	if (match == 'all')
		exact_match = ':exact';

		
	if (query == '')
		query = 'all';
	
	var surl = '/videosss/r'+exact_match+'/'+query+'/';

	if (site != 'all')
		surl = surl+site+'/';
	
	if (duration != 'all')
	{
		if (site == 'all')
			surl = surl+'all/'+duration+'/';
		else
			surl = surl+duration+'/';
	}
	if (when != '')
		surl = surl+when+'/';
		
	window.location = surl;
}

function redirectToSearch2()
{
	var when = URLEncode(document.getElementById('when').value);
	var query = document.getElementById('query').value;
	if (query == 'search for videos...')
		query = '';
	query = URLEncode(query);

	var site = URLEncode(document.getElementById('site').value);
	var duration = URLEncode(document.getElementById('duration').value);
	var match = URLEncode(document.getElementById('match').value);
	
	var exact_match = '';
	
	if (match == 'all')
		exact_match = ':exact';

		
	if (query == '')
		query = 'all';
	
	var surl = '/search2.php?query='+query+'/';

	if (site != 'all')
		surl = surl+site+'/';
	
	if (duration != 'all')
	{
		if (site == 'all')
			surl = surl+'all/'+duration+'/';
		else
			surl = surl+duration+'/';
	}
	if (when != '')
		surl = surl+when+'/';
		
	window.location = surl;
}

function Search_OnFocus()
{
	if ($('#query').val() == 'search for videos...')
		$('#query').val('');
}

function Search_OnBlur()
{
	if ($('#query').val() == '')
		$('#query').val('search for videos...');
}

function URLEncode(url)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var plaintext = url;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
}


function FixLinks(region)
{
	var regionObj = document.getElementById(region);
	var aLinks = regionObj.getElementsByTagName('a');
	for(var i=0; i<aLinks.length; i++)
	{
		aLinks[i].target = '_blank';
		//alert(aLinks[i].href);
	}
}


function ShowHideBox(box_name)
{
	if ($('#link_'+box_name).text() == 'show+')
	{
		$('#box_' + box_name).show('slow');
		$('#link_' + box_name).text('hide-');
	}
	else
	{
		$('#box_' + box_name).hide('slow');
		$('#link_' + box_name).text('show+');
	}
	
}