$(document).ready(function(){$("#expressLeft").click(function(event)
	{
		try
		{
				--paneNumber
				var clickID = '#ssn' + sliderNumber + paneNumber;
				//alert( clickID )
				$( clickID ).click()
				
				var nextPane = paneNumber + 1;
				var paneCheck = document.getElementById( "ssn" + sliderNumber +  nextPane )
				
				if ( paneCheck )
				{
					document.getElementById( "expressRight" ).style.visibility = "visible";
				}

				if( paneNumber == 0 ) 
				{
					document.getElementById( "expressLeft" ).style.visibility = "hidden";
				}
				else
				{
					document.getElementById( "expressLeft" ).style.visibility = "visible";	
				}
				
		
		}
		catch(e) { alert("An exception occurred in the script. Error name: " + e.name + ". Error message: " + e.message);  }
		 
	});  });
	

$(document).ready(function(){$("#expressRight").click(function(event)
	{
		try
		{
				++paneNumber
				var clickID = '#ssn' + sliderNumber + paneNumber;
				
				$( clickID ).click()
				
				var nextPane = paneNumber + 1;
				var paneCheck = document.getElementById( "ssn" + sliderNumber +  nextPane )
				
				if ( !paneCheck )
				{
					//document.getElementById( "expressRight" ).style.visibility = "hidden";
				}
				


				if( paneNumber == 0 ) 
				{
					document.getElementById( "expressLeft" ).style.visibility = "hidden";
				}
				else
				{
					document.getElementById( "expressLeft" ).style.visibility = "visible";	
				}
				
		}
		catch(e) { alert("An exception occurred in the script. Error name: " + e.name + ". Error message: " + e.message);  }
	});  });
	
	function func_paneCheck( snid )
	{
		//alert( snid )
		var strPane = snid.substr(4,1)
		var strSlider = snid.substr(0,4)
		
		paneNumber = strPane;
		
		// Left arrow check
		if( strPane == 0 )
		{
			document.getElementById( "expressLeft" ).style.visibility = "hidden";
		}
		else
		{
			document.getElementById( "expressLeft" ).style.visibility =  "visible";	
		}
		
		//Right arrow check
		var strNextPane = ++strPane
		var paneCheck = document.getElementById( strSlider + strNextPane )
				
		if ( !paneCheck )
		{
			document.getElementById( "expressRight" ).style.visibility = "hidden";
		}
		else
		{
			document.getElementById( "expressRight" ).style.visibility = "visible";	
		}
		
	}