var xmlHttp

function GetXmlHttpObject(){

var xmlHttp = null;
	try {
	  xmlHttp = new XMLHttpRequest();
	  }
	catch (e) {
	  try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
	  catch (e){
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	  }
	return xmlHttp;
}

function scroll(getgames){

	xmlHttp = GetXmlHttpObject()
	
	if(xmlHttp == null){
		alert ("Your browser does not support AJAX!");
		return;
	  }

	xmlHttp.onreadystatechange = function(){
		
		var loader = document.getElementById('scroll_games');
		var arrows = document.getElementById('arrows');

		if (getgames < 2) {
			arrows.innerHTML = '<div class="arrow_up"></div><a onclick="javascript:scroll(2); return false;" href="#" title="Show older games"><div class="arrow_down"></div></a>';
		}
		if (getgames > 1 && getgames < 10) {
			arrows.innerHTML = '<a onclick="javascript:scroll('+eval(getgames-1)+'); return false;" href="#" title="Show newer games"><div class="arrow_up"></div></a><a onclick="javascript:scroll('+eval(getgames+1)+'); return false;" href="#" title="Show older games"><div class="arrow_down"></div></a>';
		}
		if (getgames > 9) {
			arrows.innerHTML = '<a onclick="javascript:scroll(9); return false;" href="#" title="Show newer games"><div class="arrow_up"></div></a><div class="arrow_down"></div>';
		}

		if (xmlHttp.readyState == 4){
			var res = xmlHttp.responseText;

			loader.innerHTML = res;
		} 
		else {
			loader.innerHTML = '';
			//loader.innerHTML = 'Loading '+getgames+'...';
		}
	}
	var url = "http://www.evilbippy.com/includes/process_scroll.php";
	var params = "scroll="+getgames;
	xmlHttp.open("POST",url,true);
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", params.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.send(params);

}