function isUrlLineEmpty()
{
	var formElem = document.getElementById( 'urlForm' );
		
	if( formElem.value.length == 0 || formElem.value == 'Please enter a URL!' )
	{
		alert( 'Please enter a URL!' );
		formElem.focus( );
		return true;
	}
	return false;
}

function clearUrlLineData()
{
	var formElem = document.getElementById( 'urlForm' );
	formElem.value = '';
	formElem.focus();
}
	
function getLinkEmbed( varLink )
{
	return '<a href="' + varLink + '">' + varLink + '</a>';
}
	
function displayExample()
{
	var formElem = document.getElementById( 'siteForm' );
	var exampleElem = document.getElementById( 'jsExample' );
	
	switch( formElem.value )
	{
		case 'yt':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://youtube.com/watch?v=aLe7CArhklI' );
			break;
		}
		case 'st':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://www.stickam.com/editMediaComment.do?method=load&mId=178299140' );
			break;
		}
		case 'mv':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://megavideo.com/?v=VFPGV9XH' );
			break;
		}
		case 'mr':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://www.megarotic.com/video/?v=2318TEN8' );
			break;	
		}
		case 'ms':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://vids.myspace.com/index.cfm?fuseaction=vids.individual&VideoID=30560251' );
			break;
		}
		case 'ge':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://video.google.com/videoplay?docid=-7322021131170929421' );
			break;
		}
		case 'tu':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://tinypic.com/player.php?v=1zcd5w5&s=3' );
			break;	
		}
		case 't8':
		{
			exampleElem.innerHTML = 'Example: ' + getLinkEmbed( 'http://www.tube8.com/ebony/audree-big-tits-/18450/' );
			break;	
		}
	}
}