//Define required Variables
var camera_1_current_picture = 0;
var camera_2_current_picture = 0;


function previous_picture(camera)
{	
	if((window['camera_'+camera+'_current_picture'] + 1) < window['camera_'+camera+'_pictures'].length)
	{		
		window['camera_'+camera+'_current_picture'] = window['camera_'+camera+'_current_picture'] + 1;
		window['camera_'+camera+'_picture'].src = '/camera_'+camera+'/'+window['camera_'+camera+'_pictures'][window['camera_'+camera+'_current_picture']];
		
		if((window['camera_'+camera+'_current_picture'] + 1) == window['camera_'+camera+'_pictures'].length)
		{
			document.getElementById('camera_'+camera+'_previous_button').disabled = true;
		}
		else if(window['camera_'+camera+'_current_picture'] == 1)
		{
			//Enable Next Button
			document.getElementById('camera_'+camera+'_next_button').disabled = false;
		}
	}
	
}


function next_picture(camera)
{
	if(window['camera_'+camera+'_current_picture'] > 0)
	{
		window['camera_'+camera+'_current_picture'] = window['camera_'+camera+'_current_picture'] - 1;
		window['camera_'+camera+'_picture'].src = '/camera_'+camera+'/'+window['camera_'+camera+'_pictures'][window['camera_'+camera+'_current_picture']];
		
		if(window['camera_'+camera+'_current_picture'] == 0)
		{
			document.getElementById('camera_'+camera+'_next_button').disabled = true;
		}
		
		//Enable Previous Button
		document.getElementById('camera_'+camera+'_previous_button').disabled = false;
	}
}


window.onload=function()
{
	//Populate Camera 1's Picture
	camera_1_picture.src = '/camera_1/'+camera_1_pictures[0];
	
	//Populate Camera 2's Picture
	camera_2_picture.src = '/camera_2/'+camera_2_pictures[0];
}