var current_idx  = 0;

function next(){
	
	current_idx	=	current_idx + 1;
	if( current_idx >= parseInt($('photo_count').value) ){
		current_idx	=	current_idx - 1;
		//alert('There are no more photos for this property ');
		return;
	}
		
	$('current').innerHTML	=	current_idx + 1;
	$('main_photo').fade('out');
	
	setTimeout("a()", 1000);	
}

function previous(){
	if( current_idx == 0  ){		
		//alert('There are no more previous photos for this property ');
		return;
	}
	current_idx	=	current_idx - 1;
	
	$('current').innerHTML	=	current_idx+1;	
		
	$('main_photo').fade('out');	
	setTimeout("a()", 1000);		
}	

function a( ){
	/*
	$('primary_photo').src	=	$('img_dir').value+Photo_Array[ current_idx ];
	*/
	
	$('main_photo').innerHTML = Photo_Array[ current_idx ];
	$('main_photo').fade('in');	
		
	
}