$(document).ready(function() {
	var checkLink = function (url) {
		//remove all the class add the messagebox classes and start fading
		$("#msgbox").removeClass().addClass('messagebox').text('Please wait...').fadeIn("slow");
		var link = $('#url').val();
		$.post(
			"app/linkChecker.php",
			{url: link},
			function(data) {
				if(data=='no') { //if username not avaiable
				  	$("#msgbox").fadeTo(200,0.1,function() { //start fading the messagebox
						//add message and change the class of the box and start fading
			  			$(this).html('Link is Broken!').addClass('messageboxerror').fadeTo(900,1);
					});		
          		}
		  		else {
		  			$("#msgbox").fadeTo(200,0.1,function() {  //start fading the messagebox
			  			//add message and change the class of the box and start fading
			 		 	$(this).html('Link is Valid!').addClass('messageboxok').fadeTo(900,1);	
					});
		  		}
			}			
		)
	}
	$("#checkURL").click(checkLink);
});