gistfile1.js

	compress_url:
		function () {
			var currentPos = 0;
			while ($('status').value.indexOf("http://", currentPos) != -1)
			{
			var firstPosition = $('status').value.indexOf("http://", currentPos);
			var endPosition = $('status').value.indexOf(" ", firstPosition);
			if (endPosition == -1) {
				if ($('status').value.charAt(document.getElementById('status').selectionEnd - 1) == '.') {
					var endPosition = document.getElementById('status').selectionEnd - 1;
				}
				else
				{
					var endPosition = document.getElementById('status').selectionEnd;
				}
			} else if ($('status').value.charAt($('status').value.indexOf(" ", firstPosition) - 1) == '.') {
				endPosition = $('status').value.indexOf(" ", firstPosition) - 1;
			}
			
			var selection = $('status').value.substring(firstPosition, endPosition);
			
			if ( selection.length == 0 ) {
				return;
			}
			var url = "http://is.gd/api.php?longurl="+selection;
			var aj = new Ajax( url,
							   { method: 'get',
							     onSuccess:
							     	function (replaced) {
										var selection = document.getElementById('status').value.substring(document.getElementById('status').selectionStart, document.getElementById('status').selectionEnd);
										var text = document.getElementById('status').value.substring(0,Tweetbar.compress_url.firstPosition) + replaced + (selection.length==selection.trim().length?"":" ")+ document.getElementById('status').value.substring(Tweetbar.compress_url.endPosition);  
										document.getElementById('status').value=text;
									},
							   }).request();
			var currentPos = endPosition;
			}
		},