var last_id;
var sortOrder = "Popularity";
var pageNum = 0;
var maxPage = 10;

//Get new posts after adding new discussion
function get_wallpaper(id) {
	if(id != undefined) {
		sortOrder = id;
	}
	
	$('#wallpaper').fadeTo('fast',.3);
	$('#loading').show();
	lastName = $('#LastName').val();
	
	$.ajax({
		url: 'code_Wallpaper-get_wallpaper.php',	
		data: "Sort="+sortOrder+"&LastName="+lastName+"&pageNum_Wallpaper="+pageNum,
		success: function(data) {
			$('#wallpaper').html(data);
			$('#wallpaper').fadeTo('fast',1.0);
			$('#loading').hide();
			get_wallpaper_info();
			document.location = "#top";
		}
	});		
}


function get_wallpaper_info() {	
	lastName = $('#LastName').val();
	
	$.ajax({
		url: 'code_Wallpaper-get_wallpaper_info.php',	
		data: "Sort="+sortOrder+"&LastName="+lastName+"&pageNum_Wallpaper="+pageNum,
		success: function(data) {
			totalWallpaper = parseInt(data);
			if(totalWallpaper < maxPage) {
				maxPage = totalWallpaper;
			}
			$('#spnTotal').html(totalWallpaper);
			$('#spnFirst').html((pageNum * maxPage) +1);
			$('#spnLast').html((pageNum * maxPage) + maxPage);
			if($('#spnLast').html() > totalWallpaper) {
				$('#spnLast').html(totalWallpaper);
			}
			
			if(maxPage > 5) {
				$('#divTop').show()			
			}
			else {
				$('#divTop').hide()	
				
			}
			
			if(pageNum == 0) {
				$('#Previous').removeAttr("href");				
			}	
			else {
				$('#Previous').attr("href","javascript:previous_page()");	
			}
			
			if($('#spnLast').innerHTML >= totalWallpaper) {
				$('#Next').removeAttr("href");
			}
			else {
				$('#Next').attr("href","javascript:next_page()");					
			}
		}
	});		
}

function next_page() {	
	pageNum++;
	get_wallpaper();
}

function previous_page() {
	pageNum--;	
	get_wallpaper();
}